Added StaticJsonDocument and DynamicJsonDocument.

Removed StaticJsonArray and DynamicJsonArray.
Removed StaticJsonObject and DynamicJsonObject.
Removed StaticJsonVariant and DynamicJsonVariant.

CHANGELOG.md

@@ -6,9 +6,7 @@ HEAD
 
 * Fixed `JsonBuffer::parse()` not respecting nesting limit correctly (issue #693)
 * Fixed inconsistencies in nesting level counting (PR #695 from Zhenyu Wu)
-* Added `DynamicJsonArray` and `StaticJsonArray`
-* Added `DynamicJsonObject` and `StaticJsonObject`
-* Added `DynamicJsonVariant` and `StaticJsonVariant`
+* Added `DynamicJsonDocument` and `StaticJsonDocument`
 * Added `deserializeJson()`
 * Added `serializeJson()` and `serializeJsonPretty()`
 * Added `measureJson()` and `measureJsonPretty()`
@@ -37,11 +35,12 @@ HEAD
 > New code:
 > 
 > ```c++
-> DynamicJsonObject obj;
-> JsonError error = deserializeJson(obj, json);
+> DynamicJsonDocument doc;
+> JsonError error = deserializeJson(doc, json);
 > if (error) {
 > 
 > }
+> JsonObject& obj = doc.as<JsonObject>();
 > ```
 > 
 > #### Serialization
@@ -58,9 +57,10 @@ HEAD
 > New code:
 > 
 > ```c++
-> DynamicJsonObject obj;
+> DynamicJsonDocument obj;
+> JsonObject& obj = doc.to<JsonObject>();
 > obj["key"] = "value";
-> serializeJson(obj, Serial);
+> serializeJson(doc, Serial);
 > ```
 
 v5.13.1

README.md

@@ -59,9 +59,10 @@ Here is a program that parses a JSON document with ArduinoJson.
 ```c++
 char json[] = "{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
 
-DynamicJsonObject root;
-deserializeJson(root, json);
+DynamicJsonDocument doc;
+deserializeJson(doc, json);
 
+JsonObject& root = doc.as<JsonObject>();
 const char* sensor = root["sensor"];
 long time          = root["time"];
 double latitude    = root["data"][0];
@@ -75,7 +76,9 @@ See the [tutorial on arduinojson.org](https://arduinojson.org/doc/decoding/?utm_
 Here is a program that generates a JSON document with ArduinoJson:
 
 ```c++
-DynamicJsonObject root;
+DynamicJsonDocument doc;
+
+JsonObject& root = doc.to<JsonObject>();
 root["sensor"] = "gps";
 root["time"] = 1351824120;
 
@@ -83,7 +86,7 @@ JsonArray& data = root.createNestedArray("data");
 data.add(48.756080);
 data.add(2.302038);
 
-serializeJson(root, Serial);
+serializeJson(doc, Serial);
 // This prints:
 // {"sensor":"gps","time":1351824120,"data":[48.756080,2.302038]}
 ```

examples/JsonConfigFile/JsonConfigFile.ino

@@ -29,17 +29,19 @@ void loadConfiguration(const char *filename, Config &config) {
   // Open file for reading
   File file = SD.open(filename);
 
-  // Allocate the memory pool on the stack.
-  // Don't forget to change the capacity to match your JSON document.
+  // Allocate the document on the stack.
+  // Don't forget to change the capacity to match your requirements.
   // Use arduinojson.org/assistant to compute the capacity.
-  StaticJsonObject<512> root;
-
-  // Parse the root object
-  JsonError error = deserializeJson(root, file);
+  StaticJsonDocument<512> doc;
 
+  // Deserialize the JSON document
+  JsonError error = deserializeJson(doc, file);
   if (error)
     Serial.println(F("Failed to read file, using default configuration"));
 
+  // Get the root object in the document
+  JsonObject &root = doc.as<JsonObject>();
+
   // Copy values from the JsonObject to the Config
   config.port = root["port"] | 2731;
   strlcpy(config.hostname,                   // <- destination
@@ -62,17 +64,20 @@ void saveConfiguration(const char *filename, const Config &config) {
     return;
   }
 
-  // Allocate the memory pool on the stack
-  // Don't forget to change the capacity to match your JSON document.
-  // Use https://arduinojson.org/assistant/ to compute the capacity.
-  StaticJsonObject<256> root;
+  // Allocate the document on the stack.
+  // Don't forget to change the capacity to match your requirements.
+  // Use arduinojson.org/assistant to compute the capacity.
+  StaticJsonDocument<256> doc;
 
-  // Set the values
+  // Make our document contain an object
+  JsonObject &root = doc.to<JsonObject>();
+
+  // Set the values in the object
   root["hostname"] = config.hostname;
   root["port"] = config.port;
 
   // Serialize JSON to file
-  if (serializeJson(root, file) == 0) {
+  if (serializeJson(doc, file) == 0) {
     Serial.println(F("Failed to write to file"));
   }
 

examples/JsonGeneratorExample/JsonGeneratorExample.ino

@@ -11,17 +11,20 @@ void setup() {
   Serial.begin(9600);
   while (!Serial) continue;
 
-  // Root JSON object
+  // The JSON document
   //
-  // Inside the brackets, 200 is the size of the memory pool in bytes.
-  // Don't forget to change this value to match your JSON document.
+  // Inside the brackets, 200 is the RAM allocated to this document.
+  // Don't forget to change this value to match your requirement.
   // Use arduinojson.org/assistant to compute the capacity.
-  StaticJsonObject<200> root;
+  StaticJsonDocument<200> doc;
 
   // StaticJsonObject allocates memory on the stack, it can be
-  // replaced by DynamicJsonObject which allocates in the heap.
+  // replaced by DynamicJsonDocument which allocates in the heap.
   //
-  // DynamicJsonObject  root(200);
+  // DynamicJsonDocument  doc(200);
+
+  // Make our document be an object
+  JsonObject& root = doc.to<JsonObject>();
 
   // Add values in the object
   //
@@ -30,10 +33,8 @@ void setup() {
   root["sensor"] = "gps";
   root["time"] = 1351824120;
 
-  // Add a nested array.
+  // Add an array.
   //
-  // It's also possible to create the array separately and add it to the
-  // JsonObject but it's less efficient.
   JsonArray& data = root.createNestedArray("data");
   data.add(48.756080);
   data.add(2.302038);

examples/JsonHttpClient/JsonHttpClient.ino

@@ -70,19 +70,21 @@ void setup() {
     return;
   }
 
-  // Allocate JsonBuffer
+  // Allocate the JSON document
   // Use arduinojson.org/assistant to compute the capacity.
   const size_t capacity = JSON_OBJECT_SIZE(3) + JSON_ARRAY_SIZE(2) + 60;
-  DynamicJsonObject root(capacity);
+  DynamicJsonDocument doc(capacity);
 
   // Parse JSON object
-  JsonError error = deserializeJson(root, client);
+  JsonError error = deserializeJson(doc, client);
   if (error) {
-    Serial.println(F("Parsing failed!"));
+    Serial.print(F("deserializeJson() failed: "));
+    Serial.println(error.c_str());
     return;
   }
 
   // Extract values
+  JsonObject& root = doc.as<JsonObject>();
   Serial.println(F("Response:"));
   Serial.println(root["sensor"].as<char*>());
   Serial.println(root["time"].as<char*>());

examples/JsonParserExample/JsonParserExample.ino

@@ -16,12 +16,12 @@ void setup() {
   // Inside the brackets, 200 is the size of the memory pool in bytes.
   // Don't forget to change this value to match your JSON document.
   // Use arduinojson.org/assistant to compute the capacity.
-  StaticJsonObject<200> root;
+  StaticJsonDocument<200> doc;
 
-  // StaticJsonObject allocates memory on the stack, it can be
+  // StaticJsonDocument<N> allocates memory on the stack, it can be
   // replaced by DynamicJsonObject which allocates in the heap.
   //
-  // DynamicJsonObject  root(200);
+  // DynamicJsonObject doc(200);
 
   // JSON input string.
   //
@@ -31,23 +31,23 @@ void setup() {
   char json[] =
       "{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
 
-  // Root of the object tree.
-  //
-  // It's a reference to the JsonObject, the actual bytes are inside the
-  // JsonBuffer with all the other nodes of the object tree.
-  // Memory is freed when jsonBuffer goes out of scope.
-  JsonError error = deserializeJson(root, json);
+  // Deserialize the JSON document
+  JsonError error = deserializeJson(doc, json);
 
   // Test if parsing succeeds.
   if (error) {
-    Serial.println("deserializeJson() failed");
+    Serial.print(F("deserializeJson() failed: "));
+    Serial.println(error.c_str());
     return;
   }
 
+  // Get the root object in the document
+  JsonObject& root = doc.as<JsonObject>();
+
   // Fetch values.
   //
   // Most of the time, you can rely on the implicit casts.
-  // In other case, you can do root["time"].as<long>();
+  // In other case, you can do doc["time"].as<long>();
   const char* sensor = root["sensor"];
   long time = root["time"];
   double latitude = root["data"][0];

examples/JsonServer/JsonServer.ino

@@ -51,9 +51,12 @@ void loop() {
   // Read the request (we ignore the content in this example)
   while (client.available()) client.read();
 
-  // Allocate the root JsonObject
+  // Allocate the JSON document
   // Use arduinojson.org/assistant to compute the capacity.
-  StaticJsonObject<500> root;
+  StaticJsonDocument<500> doc;
+
+  // Make our document represent an object
+  JsonObject& root = doc.to<JsonObject>();
 
   // Create the "analog" array
   JsonArray& analogValues = root.createNestedArray("analog");

examples/JsonUdpBeacon/JsonUdpBeacon.ino

@@ -43,9 +43,12 @@ void setup() {
 }
 
 void loop() {
-  // Allocate the root JsonObject
+  // Allocate the JSON document
   // Use arduinojson.org/assistant to compute the capacity.
-  StaticJsonObject<500> root;
+  StaticJsonDocument<500> doc;
+
+  // Make our document represent an object
+  JsonObject& root = doc.to<JsonObject>();
 
   // Create the "analog" array
   JsonArray& analogValues = root.createNestedArray("analog");

examples/MsgPackParser/MsgPackParser.ino

@@ -12,17 +12,17 @@ void setup() {
   Serial.begin(9600);
   while (!Serial) continue;
 
-  // Root JSON object
+  // Allocate the JSON document
   //
   // Inside the brackets, 200 is the size of the memory pool in bytes.
   // Don't forget to change this value to match your JSON document.
   // Use arduinojson.org/assistant to compute the capacity.
-  StaticJsonObject<200> root;
+  StaticJsonDocument<200> doc;
 
   // StaticJsonObject allocates memory on the stack, it can be
   // replaced by DynamicJsonObject which allocates in the heap.
   //
-  // DynamicJsonObject  root(200);
+  // DynamicJsonObject doc(200);
 
   // MessagePack input string.
   //
@@ -40,23 +40,27 @@ void setup() {
   //   "data": [48.75608, 2.302038]
   // }
 
-  // Root of the object tree.
+  // doc of the object tree.
   //
   // It's a reference to the JsonObject, the actual bytes are inside the
   // JsonBuffer with all the other nodes of the object tree.
   // Memory is freed when jsonBuffer goes out of scope.
-  MsgPackError error = deserializeMsgPack(root, input);
+  MsgPackError error = deserializeMsgPack(doc, input);
 
   // Test if parsing succeeds.
   if (error) {
-    Serial.println("deserializeMsgPack() failed");
+    Serial.print("deserializeMsgPack() failed: ");
+    Serial.println(error.c_str());
     return;
   }
 
+  // Get the root object in the document
+  JsonObject& root = doc.as<JsonObject>();
+
   // Fetch values.
   //
   // Most of the time, you can rely on the implicit casts.
-  // In other case, you can do root["time"].as<long>();
+  // In other case, you can do doc["time"].as<long>();
   const char* sensor = root["sensor"];
   long time = root["time"];
   double latitude = root["data"][0];

examples/ProgmemExample/ProgmemExample.ino

@@ -14,33 +14,34 @@
 void setup() {
 #ifdef PROGMEM  // <- check that Flash strings are supported
 
-  DynamicJsonObject root;
+  DynamicJsonDocument doc;
 
   // You can use a Flash String as your JSON input.
   // WARNING: the content of the Flash String will be duplicated in the
   // JsonBuffer.
-  deserializeJson(root, F("{\"sensor\":\"gps\",\"time\":1351824120,"
-                          "\"data\":[48.756080,2.302038]}"));
+  deserializeJson(doc, F("{\"sensor\":\"gps\",\"time\":1351824120,"
+                         "\"data\":[48.756080,2.302038]}"));
+  JsonObject& obj = doc.as<JsonObject>();
 
   // You can use a Flash String to get an element of a JsonObject
   // No duplication is done.
-  long time = root[F("time")];
+  long time = obj[F("time")];
 
   // You can use a Flash String to set an element of a JsonObject
   // WARNING: the content of the Flash String will be duplicated in the
   // JsonBuffer.
-  root[F("time")] = time;
+  obj[F("time")] = time;
 
   // You can set a Flash String to a JsonObject or JsonArray:
   // WARNING: the content of the Flash String will be duplicated in the
   // JsonBuffer.
-  root["sensor"] = F("gps");
+  obj["sensor"] = F("gps");
 
   // It works with RawJson too:
-  root["sensor"] = RawJson(F("\"gps\""));
+  obj["sensor"] = RawJson(F("\"gps\""));
 
   // You can compare the content of a JsonVariant to a Flash String
-  if (root["sensor"] == F("gps")) {
+  if (obj["sensor"] == F("gps")) {
     // ...
   }
 

examples/StringExample/StringExample.ino

@@ -11,50 +11,51 @@
 #include <ArduinoJson.h>
 
 void setup() {
-  DynamicJsonObject root;
+  DynamicJsonDocument doc;
 
   // You can use a String as your JSON input.
   // WARNING: the content of the String will be duplicated in the JsonBuffer.
   String input =
       "{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
-  deserializeJson(root, input);
+  deserializeJson(doc, input);
+  JsonObject& obj = doc.as<JsonObject>();
 
   // You can use a String to get an element of a JsonObject
   // No duplication is done.
-  long time = root[String("time")];
+  long time = obj[String("time")];
 
   // You can use a String to set an element of a JsonObject
   // WARNING: the content of the String will be duplicated in the JsonBuffer.
-  root[String("time")] = time;
+  obj[String("time")] = time;
 
   // You can get a String from a JsonObject or JsonArray:
   // No duplication is done, at least not in the JsonBuffer.
-  String sensor = root["sensor"];
+  String sensor = obj["sensor"];
 
   // Unfortunately, the following doesn't work (issue #118):
-  // sensor = root["sensor"]; // <-  error "ambiguous overload for 'operator='"
+  // sensor = obj["sensor"]; // <-  error "ambiguous overload for 'operator='"
   // As a workaround, you need to replace by:
-  sensor = root["sensor"].as<String>();
+  sensor = obj["sensor"].as<String>();
 
   // You can set a String to a JsonObject or JsonArray:
   // WARNING: the content of the String will be duplicated in the JsonBuffer.
-  root["sensor"] = sensor;
+  obj["sensor"] = sensor;
 
   // It works with RawJson too:
-  root["sensor"] = RawJson(sensor);
+  obj["sensor"] = RawJson(sensor);
 
   // You can also concatenate strings
   // WARNING: the content of the String will be duplicated in the JsonBuffer.
-  root[String("sen") + "sor"] = String("gp") + "s";
+  obj[String("sen") + "sor"] = String("gp") + "s";
 
   // You can compare the content of a JsonObject with a String
-  if (root["sensor"] == sensor) {
+  if (obj["sensor"] == sensor) {
     // ...
   }
 
   // Lastly, you can print the resulting JSON to a String
   String output;
-  serializeJson(root, output);
+  serializeJson(doc, output);
 }
 
 void loop() {

fuzzing/fuzzer.cpp

@@ -16,11 +16,11 @@ class memstream : public std::istream {
 };
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
-  DynamicJsonVariant variant;
+  DynamicJsonDocument doc;
   memstream json(data, size);
-  JsonError error = deserializeJson(variant, json);
-  JsonVariant variant = jsonBuffer.parse(json);
-  if (!error) {
+  JsonError error = deserializeJson(doc, json);
+  if (error == JsonError::Ok) {
+    JsonVariant variant = doc.as<JsonVariant>();
     variant.as<std::string>();  // <- serialize to JSON
   }
   return 0;

keywords.txt

@@ -3,9 +3,8 @@ as	KEYWORD2
 createNestedArray	KEYWORD2
 createNestedObject	KEYWORD2
 deserializeJson	KEYWORD2
-DynamicJsonArray	KEYWORD1
-DynamicJsonObject	KEYWORD1
-DynamicJsonVariant	KEYWORD1
+deserializeMsgPack	KEYWORD2
+DynamicJsonDocument	KEYWORD1
 get	KEYWORD2
 JsonArray	KEYWORD1
 JsonObject	KEYWORD1
@@ -13,6 +12,5 @@ JsonVariant	KEYWORD1
 serializeJson	KEYWORD2
 serializeJsonPretty	KEYWORD2
 set	KEYWORD2
-StaticJsonArray	KEYWORD1
-StaticJsonObject	KEYWORD1
-StaticJsonVariant	KEYWORD1
+StaticJsonDocument	KEYWORD1
+to	KEYWORD2

src/ArduinoJson.hpp

@@ -4,18 +4,14 @@
 
 #pragma once
 
-#include "ArduinoJson/DynamicJsonArray.hpp"
-#include "ArduinoJson/DynamicJsonObject.hpp"
-#include "ArduinoJson/DynamicJsonVariant.hpp"
+#include "ArduinoJson/DynamicJsonDocument.hpp"
 #include "ArduinoJson/MsgPack/MsgPackDeserializer.hpp"
-#include "ArduinoJson/StaticJsonArray.hpp"
-#include "ArduinoJson/StaticJsonObject.hpp"
-#include "ArduinoJson/StaticJsonVariant.hpp"
+#include "ArduinoJson/StaticJsonDocument.hpp"
 #include "ArduinoJson/deserializeJson.hpp"
 #include "ArduinoJson/deserializeMsgPack.hpp"
 
-#include "ArduinoJson/Json/Deserialization/JsonParserImpl.hpp"
-#include "ArduinoJson/Json/Serialization/JsonSerializerImpl.hpp"
+#include "ArduinoJson/Json/Deserialization/JsonDeserializer.hpp"
+#include "ArduinoJson/Json/Serialization/JsonSerializer.hpp"
 #include "ArduinoJson/JsonArrayImpl.hpp"
 #include "ArduinoJson/JsonObjectImpl.hpp"
 #include "ArduinoJson/JsonVariantImpl.hpp"

src/ArduinoJson/DynamicJsonArray.hpp

@@ -1,32 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "JsonArray.hpp"
-#include "Memory/DynamicJsonBuffer.hpp"
-
-namespace ArduinoJson {
-class DynamicJsonArray : public JsonArray {
-  DynamicJsonBuffer _buffer;
-
- public:
-  DynamicJsonArray() : JsonArray(&_buffer) {}
-  DynamicJsonArray(size_t capacity)
-      : JsonArray(&_buffer), _buffer(capacity - sizeof(JsonArray)) {}
-
-  void clear() {
-    Internals::List<JsonVariant>::clear();
-    _buffer.clear();
-  }
-
-  size_t memoryUsage() const {
-    return _buffer.size() + sizeof(JsonArray);
-  }
-
-  DynamicJsonBuffer& buffer() {
-    return _buffer;
-  }
-};
-}  // namespace ArduinoJson

src/ArduinoJson/DynamicJsonDocument.hpp

@@ -0,0 +1,83 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#include "JsonArray.hpp"
+#include "JsonObject.hpp"
+#include "JsonVariant.hpp"
+#include "Memory/DynamicJsonBuffer.hpp"
+
+namespace ArduinoJson {
+
+class DynamicJsonDocument {
+  Internals::DynamicJsonBuffer _buffer;
+  JsonVariant _root;
+
+ public:
+  DynamicJsonDocument() {}
+  DynamicJsonDocument(size_t capacity) : _buffer(capacity) {}
+
+  template <typename T>
+  bool is() const {
+    return _root.is<T>();
+  }
+
+  template <typename T>
+  typename Internals::JsonVariantAs<T>::type as() const {
+    return _root.as<T>();
+  }
+
+  // JsonObject& to<JsonObject>()
+  template <typename T>
+  typename Internals::EnableIf<Internals::IsSame<T, JsonObject>::value,
+                               JsonObject&>::type
+  to() {
+    clear();
+    JsonObject* object = new (&_buffer) JsonObject(&_buffer);
+    if (!object) return JsonObject::invalid();
+    _root = object;
+    return *object;
+  }
+
+  // JsonArray& to<JsonArray>()
+  template <typename T>
+  typename Internals::EnableIf<Internals::IsSame<T, JsonArray>::value,
+                               JsonArray&>::type
+  to() {
+    clear();
+    JsonArray* array = new (&_buffer) JsonArray(&_buffer);
+    if (!array) return JsonArray::invalid();
+    _root = array;
+    return *array;
+  }
+
+  // JsonVariant& to<JsonVariant>()
+  template <typename T>
+  typename Internals::EnableIf<Internals::IsSame<T, JsonVariant>::value,
+                               T&>::type
+  to() {
+    clear();
+    return _root;
+  }
+
+  Internals::DynamicJsonBuffer& buffer() {
+    return _buffer;
+  }
+
+  void clear() {
+    _buffer.clear();
+    _root = JsonVariant();
+  }
+
+  size_t memoryUsage() const {
+    return _buffer.size();
+  }
+
+  template <typename Visitor>
+  void visit(Visitor visitor) const {
+    return _root.visit(visitor);
+  }
+};
+}  // namespace ArduinoJson

src/ArduinoJson/DynamicJsonObject.hpp

@@ -1,32 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "JsonObject.hpp"
-#include "Memory/DynamicJsonBuffer.hpp"
-
-namespace ArduinoJson {
-class DynamicJsonObject : public JsonObject {
-  DynamicJsonBuffer _buffer;
-
- public:
-  DynamicJsonObject() : JsonObject(&_buffer) {}
-  DynamicJsonObject(size_t capacity)
-      : JsonObject(&_buffer), _buffer(capacity - sizeof(JsonObject)) {}
-
-  DynamicJsonBuffer& buffer() {
-    return _buffer;
-  }
-
-  void clear() {
-    Internals::List<JsonPair>::clear();
-    _buffer.clear();
-  }
-
-  size_t memoryUsage() const {
-    return _buffer.size() + sizeof(JsonObject);
-  }
-};
-}  // namespace ArduinoJson

src/ArduinoJson/DynamicJsonVariant.hpp

@@ -1,45 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "JsonVariant.hpp"
-#include "Memory/DynamicJsonBuffer.hpp"
-
-namespace ArduinoJson {
-
-class DynamicJsonVariant : public JsonVariant {
-  DynamicJsonBuffer _buffer;
-
- public:
-  DynamicJsonVariant() : JsonVariant() {}
-  DynamicJsonVariant(size_t capacity) : JsonVariant(), _buffer(capacity) {}
-
-  template <typename T>
-  DynamicJsonVariant& operator=(const T& value) {
-    _buffer.clear();
-    JsonVariant::operator=(value);
-    return *this;
-  }
-
-  template <typename T>
-  DynamicJsonVariant& operator=(const T* value) {
-    _buffer.clear();
-    JsonVariant::operator=(value);
-    return *this;
-  }
-
-  DynamicJsonBuffer& buffer() {
-    return _buffer;
-  }
-
-  void clear() {
-    _buffer.clear();
-  }
-
-  size_t memoryUsage() const {
-    return _buffer.size();
-  }
-};
-}  // namespace ArduinoJson

src/ArduinoJson/Json/Deserialization/JsonDeserializer.hpp

@@ -0,0 +1,218 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#include "../../JsonError.hpp"
+#include "../../JsonVariant.hpp"
+#include "../../Memory/JsonBuffer.hpp"
+#include "../../Strings/StringWriter.hpp"
+#include "../../TypeTraits/IsConst.hpp"
+#include "../Encoding.hpp"
+#include "./Comments.hpp"
+
+namespace ArduinoJson {
+namespace Internals {
+
+template <typename TReader, typename TWriter>
+class JsonDeserializer {
+ public:
+  JsonDeserializer(JsonBuffer *buffer, TReader reader, TWriter writer,
+                   uint8_t nestingLimit)
+      : _buffer(buffer),
+        _reader(reader),
+        _writer(writer),
+        _nestingLimit(nestingLimit) {}
+  JsonError parse(JsonVariant &variant) {
+    skipSpacesAndComments(_reader);
+
+    switch (_reader.current()) {
+      case '[':
+        return parseArray(variant);
+
+      case '{':
+        return parseObject(variant);
+
+      default:
+        return parseValue(variant);
+    }
+  }
+
+ private:
+  JsonDeserializer &operator=(const JsonDeserializer &);  // non-copiable
+
+  static bool eat(TReader &reader, char charToSkip) {
+    skipSpacesAndComments(reader);
+    if (reader.current() != charToSkip) return false;
+    reader.move();
+    return true;
+  }
+
+  FORCE_INLINE bool eat(char charToSkip) {
+    return eat(_reader, charToSkip);
+  }
+
+  JsonError parseArray(JsonVariant &variant) {
+    if (_nestingLimit == 0) return JsonError::TooDeep;
+
+    JsonArray *array = new (_buffer) JsonArray(_buffer);
+    if (!array) return JsonError::NoMemory;
+    variant = array;
+
+    // Check opening braket
+    if (!eat('[')) return JsonError::InvalidInput;
+    if (eat(']')) return JsonError::Ok;
+
+    // Read each value
+    for (;;) {
+      // 1 - Parse value
+      JsonVariant value;
+      _nestingLimit--;
+      JsonError error = parse(value);
+      _nestingLimit++;
+      if (error != JsonError::Ok) return error;
+      if (!array->add(value)) return JsonError::NoMemory;
+
+      // 2 - More values?
+      if (eat(']')) return JsonError::Ok;
+      if (!eat(',')) return JsonError::InvalidInput;
+    }
+  }
+
+  JsonError parseObject(JsonVariant &variant) {
+    if (_nestingLimit == 0) return JsonError::TooDeep;
+
+    JsonObject *object = new (_buffer) JsonObject(_buffer);
+    if (!object) return JsonError::NoMemory;
+    variant = object;
+
+    // Check opening brace
+    if (!eat('{')) return JsonError::InvalidInput;
+    if (eat('}')) return JsonError::Ok;
+
+    // Read each key value pair
+    for (;;) {
+      // 1 - Parse key
+      const char *key;
+      JsonError error = parseString(&key);
+      if (error) return error;
+      if (!eat(':')) return JsonError::InvalidInput;
+
+      // 2 - Parse value
+      JsonVariant value;
+      _nestingLimit--;
+      error = parse(value);
+      _nestingLimit++;
+      if (error != JsonError::Ok) return error;
+      if (!object->set(key, value)) return JsonError::NoMemory;
+
+      // 3 - More keys/values?
+      if (eat('}')) return JsonError::Ok;
+      if (!eat(',')) return JsonError::InvalidInput;
+    }
+  }
+  JsonError parseValue(JsonVariant &variant) {
+    bool hasQuotes = isQuote(_reader.current());
+    const char *value;
+    JsonError error = parseString(&value);
+    if (error) return error;
+    if (hasQuotes) {
+      variant = value;
+    } else {
+      variant = RawJson(value);
+    }
+    return JsonError::Ok;
+  }
+
+  JsonError parseString(const char **result) {
+    typename RemoveReference<TWriter>::type::String str = _writer.startString();
+
+    skipSpacesAndComments(_reader);
+    char c = _reader.current();
+
+    if (isQuote(c)) {  // quotes
+      _reader.move();
+      char stopChar = c;
+      for (;;) {
+        c = _reader.current();
+        if (c == '\0') break;
+        _reader.move();
+
+        if (c == stopChar) break;
+
+        if (c == '\\') {
+          // replace char
+          c = Encoding::unescapeChar(_reader.current());
+          if (c == '\0') return JsonError::InvalidInput;
+          _reader.move();
+        }
+
+        str.append(c);
+      }
+    } else if (canBeInNonQuotedString(c)) {  // no quotes
+      do {
+        _reader.move();
+        str.append(c);
+        c = _reader.current();
+      } while (canBeInNonQuotedString(c));
+    } else {
+      return JsonError::InvalidInput;
+    }
+
+    *result = str.c_str();
+    if (*result == NULL) return JsonError::NoMemory;
+    return JsonError::Ok;
+  }
+
+  static inline bool isBetween(char c, char min, char max) {
+    return min <= c && c <= max;
+  }
+
+  static inline bool canBeInNonQuotedString(char c) {
+    return isBetween(c, '0', '9') || isBetween(c, '_', 'z') ||
+           isBetween(c, 'A', 'Z') || c == '+' || c == '-' || c == '.';
+  }
+
+  static inline bool isQuote(char c) {
+    return c == '\'' || c == '\"';
+  }
+
+  JsonBuffer *_buffer;
+  TReader _reader;
+  TWriter _writer;
+  uint8_t _nestingLimit;
+};
+
+template <typename TJsonBuffer, typename TString, typename Enable = void>
+struct JsonParserBuilder {
+  typedef typename StringTraits<TString>::Reader InputReader;
+  typedef JsonDeserializer<InputReader, TJsonBuffer &> TParser;
+
+  static TParser makeParser(TJsonBuffer *buffer, TString &json,
+                            uint8_t nestingLimit) {
+    return TParser(buffer, InputReader(json), *buffer, nestingLimit);
+  }
+};
+
+template <typename TJsonBuffer, typename TChar>
+struct JsonParserBuilder<TJsonBuffer, TChar *,
+                         typename EnableIf<!IsConst<TChar>::value>::type> {
+  typedef typename StringTraits<TChar *>::Reader TReader;
+  typedef StringWriter<TChar> TWriter;
+  typedef JsonDeserializer<TReader, TWriter> TParser;
+
+  static TParser makeParser(TJsonBuffer *buffer, TChar *json,
+                            uint8_t nestingLimit) {
+    return TParser(buffer, TReader(json), TWriter(json), nestingLimit);
+  }
+};
+
+template <typename TJsonBuffer, typename TString>
+inline typename JsonParserBuilder<TJsonBuffer, TString>::TParser makeParser(
+    TJsonBuffer *buffer, TString &json, uint8_t nestingLimit) {
+  return JsonParserBuilder<TJsonBuffer, TString>::makeParser(buffer, json,
+                                                             nestingLimit);
+}
+}  // namespace Internals
+}  // namespace ArduinoJson

src/ArduinoJson/Json/Deserialization/JsonParser.hpp

@@ -1,95 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "../../JsonError.hpp"
-#include "../../JsonVariant.hpp"
-#include "../../Memory/JsonBuffer.hpp"
-#include "../../Strings/StringWriter.hpp"
-#include "../../TypeTraits/IsConst.hpp"
-
-namespace ArduinoJson {
-namespace Internals {
-
-// Parse JSON string to create JsonArrays and JsonObjects
-// This internal class is not indended to be used directly.
-// Instead, use JsonBuffer.parseArray() or .parseObject()
-template <typename TReader, typename TWriter>
-class JsonParser {
- public:
-  JsonParser(JsonBuffer *buffer, TReader reader, TWriter writer,
-             uint8_t nestingLimit)
-      : _buffer(buffer),
-        _reader(reader),
-        _writer(writer),
-        _nestingLimit(nestingLimit) {}
-  JsonError parse(JsonArray &destination);
-  JsonError parse(JsonObject &destination);
-  JsonError parse(JsonVariant &destination);
-
- private:
-  JsonParser &operator=(const JsonParser &);  // non-copiable
-
-  static bool eat(TReader &, char charToSkip);
-  FORCE_INLINE bool eat(char charToSkip) {
-    return eat(_reader, charToSkip);
-  }
-
-  const char *parseString();
-  JsonError parseArray(JsonVariant &variant);
-  JsonError parseObject(JsonVariant &variant);
-  JsonError parseValue(JsonVariant &variant);
-
-  static inline bool isBetween(char c, char min, char max) {
-    return min <= c && c <= max;
-  }
-
-  static inline bool canBeInNonQuotedString(char c) {
-    return isBetween(c, '0', '9') || isBetween(c, '_', 'z') ||
-           isBetween(c, 'A', 'Z') || c == '+' || c == '-' || c == '.';
-  }
-
-  static inline bool isQuote(char c) {
-    return c == '\'' || c == '\"';
-  }
-
-  JsonBuffer *_buffer;
-  TReader _reader;
-  TWriter _writer;
-  uint8_t _nestingLimit;
-};
-
-template <typename TJsonBuffer, typename TString, typename Enable = void>
-struct JsonParserBuilder {
-  typedef typename StringTraits<TString>::Reader InputReader;
-  typedef JsonParser<InputReader, TJsonBuffer &> TParser;
-
-  static TParser makeParser(TJsonBuffer *buffer, TString &json,
-                            uint8_t nestingLimit) {
-    return TParser(buffer, InputReader(json), *buffer, nestingLimit);
-  }
-};
-
-template <typename TJsonBuffer, typename TChar>
-struct JsonParserBuilder<TJsonBuffer, TChar *,
-                         typename EnableIf<!IsConst<TChar>::value>::type> {
-  typedef typename StringTraits<TChar *>::Reader TReader;
-  typedef StringWriter<TChar> TWriter;
-  typedef JsonParser<TReader, TWriter> TParser;
-
-  static TParser makeParser(TJsonBuffer *buffer, TChar *json,
-                            uint8_t nestingLimit) {
-    return TParser(buffer, TReader(json), TWriter(json), nestingLimit);
-  }
-};
-
-template <typename TJsonBuffer, typename TString>
-inline typename JsonParserBuilder<TJsonBuffer, TString>::TParser makeParser(
-    TJsonBuffer *buffer, TString &json, uint8_t nestingLimit) {
-  return JsonParserBuilder<TJsonBuffer, TString>::makeParser(buffer, json,
-                                                             nestingLimit);
-}
-}  // namespace Internals
-}  // namespace ArduinoJson

src/ArduinoJson/Json/Deserialization/JsonParserImpl.hpp

@@ -1,166 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "../Encoding.hpp"
-#include "Comments.hpp"
-#include "JsonParser.hpp"
-
-template <typename TReader, typename TWriter>
-inline bool ArduinoJson::Internals::JsonParser<TReader, TWriter>::eat(
-    TReader &reader, char charToSkip) {
-  skipSpacesAndComments(reader);
-  if (reader.current() != charToSkip) return false;
-  reader.move();
-  return true;
-}
-
-template <typename TReader, typename TWriter>
-inline ArduinoJson::JsonError
-ArduinoJson::Internals::JsonParser<TReader, TWriter>::parse(JsonArray &array) {
-  if (_nestingLimit == 0) return JsonError::TooDeep;
-
-  // Check opening braket
-  if (!eat('[')) return JsonError::OpeningBracketExpected;
-  if (eat(']')) return JsonError::Ok;
-
-  // Read each value
-  for (;;) {
-    // 1 - Parse value
-    JsonVariant value;
-    _nestingLimit--;
-    JsonError error = parse(value);
-    _nestingLimit++;
-    if (error != JsonError::Ok) return error;
-    if (!array.add(value)) return JsonError::NoMemory;
-
-    // 2 - More values?
-    if (eat(']')) return JsonError::Ok;
-    if (!eat(',')) return JsonError::ClosingBracketExpected;
-  }
-}
-
-template <typename TReader, typename TWriter>
-inline ArduinoJson::JsonError
-ArduinoJson::Internals::JsonParser<TReader, TWriter>::parse(
-    JsonObject &object) {
-  if (_nestingLimit == 0) return JsonError::TooDeep;
-
-  // Check opening brace
-  if (!eat('{')) return JsonError::OpeningBraceExpected;
-  if (eat('}')) return JsonError::Ok;
-
-  // Read each key value pair
-  for (;;) {
-    // 1 - Parse key
-    const char *key = parseString();
-    if (!key) return JsonError::NoMemory;
-    if (!eat(':')) return JsonError::ColonExpected;
-
-    // 2 - Parse value
-    JsonVariant value;
-    _nestingLimit--;
-    JsonError error = parse(value);
-    _nestingLimit++;
-    if (error != JsonError::Ok) return error;
-    if (!object.set(key, value)) return JsonError::NoMemory;
-
-    // 3 - More keys/values?
-    if (eat('}')) return JsonError::Ok;
-    if (!eat(',')) return JsonError::ClosingBraceExpected;
-  }
-}
-
-template <typename TReader, typename TWriter>
-inline ArduinoJson::JsonError
-ArduinoJson::Internals::JsonParser<TReader, TWriter>::parse(
-    JsonVariant &variant) {
-  skipSpacesAndComments(_reader);
-
-  switch (_reader.current()) {
-    case '[':
-      return parseArray(variant);
-
-    case '{':
-      return parseObject(variant);
-
-    default:
-      return parseValue(variant);
-  }
-}
-
-template <typename TReader, typename TWriter>
-inline ArduinoJson::JsonError
-ArduinoJson::Internals::JsonParser<TReader, TWriter>::parseArray(
-    JsonVariant &variant) {
-  JsonArray *array = new (_buffer) JsonArray(_buffer);
-  if (!array) return JsonError::NoMemory;
-  variant = array;
-  return parse(*array);
-}
-
-template <typename TReader, typename TWriter>
-inline ArduinoJson::JsonError
-ArduinoJson::Internals::JsonParser<TReader, TWriter>::parseObject(
-    JsonVariant &variant) {
-  JsonObject *object = new (_buffer) JsonObject(_buffer);
-  if (!object) return JsonError::NoMemory;
-  variant = object;
-  return parse(*object);
-}
-
-template <typename TReader, typename TWriter>
-inline ArduinoJson::JsonError
-ArduinoJson::Internals::JsonParser<TReader, TWriter>::parseValue(
-    JsonVariant &variant) {
-  bool hasQuotes = isQuote(_reader.current());
-  const char *value = parseString();
-  if (value == NULL) return JsonError::NoMemory;
-  if (hasQuotes) {
-    variant = value;
-  } else {
-    variant = RawJson(value);
-  }
-  return JsonError::Ok;
-}
-
-template <typename TReader, typename TWriter>
-inline const char *
-ArduinoJson::Internals::JsonParser<TReader, TWriter>::parseString() {
-  typename RemoveReference<TWriter>::type::String str = _writer.startString();
-
-  skipSpacesAndComments(_reader);
-  char c = _reader.current();
-
-  if (isQuote(c)) {  // quotes
-    _reader.move();
-    char stopChar = c;
-    for (;;) {
-      c = _reader.current();
-      if (c == '\0') break;
-      _reader.move();
-
-      if (c == stopChar) break;
-
-      if (c == '\\') {
-        // replace char
-        c = Encoding::unescapeChar(_reader.current());
-        if (c == '\0') break;
-        _reader.move();
-      }
-
-      str.append(c);
-    }
-  } else {  // no quotes
-    for (;;) {
-      if (!canBeInNonQuotedString(c)) break;
-      _reader.move();
-      str.append(c);
-      c = _reader.current();
-    }
-  }
-
-  return str.c_str();
-}

src/ArduinoJson/Json/Serialization/JsonSerializer.hpp

@@ -16,26 +16,15 @@
 #endif
 
 namespace ArduinoJson {
-
-class JsonArray;
-class JsonObject;
-class JsonVariant;
-
 namespace Internals {
 
-class JsonArraySubscript;
-template <typename TKey>
-class JsonObjectSubscript;
-
 template <typename Writer>
 class JsonSerializer {
  public:
-  static void serialize(const JsonArray &, Writer &);
-  static void serialize(const JsonArraySubscript &, Writer &);
-  static void serialize(const JsonObject &, Writer &);
-  template <typename TKey>
-  static void serialize(const JsonObjectSubscript<TKey> &, Writer &);
-  static void serialize(const JsonVariant &, Writer &);
+  template <typename TSource>
+  static void serialize(const TSource &source, Writer &writer) {
+    source.visit(Visitor(&writer));
+  }
 
   struct Visitor {
     Visitor(Writer *writer) : _writer(writer) {}
@@ -44,12 +33,38 @@ class JsonSerializer {
       _writer->writeFloat(value);
     }
 
-    void acceptArray(const JsonArray &value) {
-      serialize(value, *_writer);
+    void acceptArray(const JsonArray &array) {
+      _writer->beginArray();
+
+      JsonArray::const_iterator it = array.begin();
+      while (it != array.end()) {
+        it->visit(*this);
+
+        ++it;
+        if (it == array.end()) break;
+
+        _writer->writeComma();
+      }
+
+      _writer->endArray();
     }
 
-    void acceptObject(const JsonObject &value) {
-      serialize(value, *_writer);
+    void acceptObject(const JsonObject &object) {
+      _writer->beginObject();
+
+      JsonObject::const_iterator it = object.begin();
+      while (it != object.end()) {
+        _writer->writeString(it->key);
+        _writer->writeColon();
+        it->value.visit(*this);
+
+        ++it;
+        if (it == object.end()) break;
+
+        _writer->writeComma();
+      }
+
+      _writer->endObject();
     }
 
     void acceptString(const char *value) {

src/ArduinoJson/Json/Serialization/JsonSerializerImpl.hpp

@@ -1,69 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "../../JsonArray.hpp"
-#include "../../JsonArraySubscript.hpp"
-#include "../../JsonObject.hpp"
-#include "../../JsonObjectSubscript.hpp"
-#include "../../JsonVariant.hpp"
-#include "JsonSerializer.hpp"
-
-template <typename Writer>
-inline void ArduinoJson::Internals::JsonSerializer<Writer>::serialize(
-    const JsonArray& array, Writer& writer) {
-  writer.beginArray();
-
-  JsonArray::const_iterator it = array.begin();
-  while (it != array.end()) {
-    serialize(*it, writer);
-
-    ++it;
-    if (it == array.end()) break;
-
-    writer.writeComma();
-  }
-
-  writer.endArray();
-}
-
-template <typename Writer>
-inline void ArduinoJson::Internals::JsonSerializer<Writer>::serialize(
-    const JsonArraySubscript& arraySubscript, Writer& writer) {
-  serialize(arraySubscript.as<JsonVariant>(), writer);
-}
-
-template <typename Writer>
-inline void ArduinoJson::Internals::JsonSerializer<Writer>::serialize(
-    const JsonObject& object, Writer& writer) {
-  writer.beginObject();
-
-  JsonObject::const_iterator it = object.begin();
-  while (it != object.end()) {
-    writer.writeString(it->key);
-    writer.writeColon();
-    serialize(it->value, writer);
-
-    ++it;
-    if (it == object.end()) break;
-
-    writer.writeComma();
-  }
-
-  writer.endObject();
-}
-
-template <typename Writer>
-template <typename TKey>
-inline void ArduinoJson::Internals::JsonSerializer<Writer>::serialize(
-    const JsonObjectSubscript<TKey>& objectSubscript, Writer& writer) {
-  serialize(objectSubscript.template as<JsonVariant>(), writer);
-}
-
-template <typename Writer>
-inline void ArduinoJson::Internals::JsonSerializer<Writer>::serialize(
-    const JsonVariant& variant, Writer& writer) {
-  variant.visit(Visitor(&writer));
-}

src/ArduinoJson/JsonArray.hpp

@@ -180,6 +180,11 @@ class JsonArray : public Internals::ReferenceType,
     }
   }
 
+  template <typename Visitor>
+  void visit(Visitor visitor) const {
+    return visitor.acceptArray(*this);
+  }
+
  private:
   template <typename TValueRef>
   bool set_impl(size_t index, TValueRef value) {

src/ArduinoJson/JsonArraySubscript.hpp

@@ -74,6 +74,11 @@ class JsonArraySubscript : public JsonVariantBase<JsonArraySubscript> {
     return _array.set(_index, value);
   }
 
+  template <typename Visitor>
+  void visit(Visitor visitor) const {
+    return _array.get<JsonVariant>(_index).visit(visitor);
+  }
+
  private:
   JsonArray& _array;
   const size_t _index;

src/ArduinoJson/JsonError.hpp

@@ -8,16 +8,7 @@ namespace ArduinoJson {
 
 class JsonError {
  public:
-  enum Code {
-    Ok,
-    OpeningBraceExpected,
-    ClosingBraceExpected,
-    OpeningBracketExpected,
-    ClosingBracketExpected,
-    ColonExpected,
-    TooDeep,
-    NoMemory
-  };
+  enum Code { Ok, TooDeep, NoMemory, InvalidInput };
 
   JsonError(Code code) : _code(code) {}
 
@@ -45,20 +36,12 @@ class JsonError {
     switch (_code) {
       case Ok:
         return "Ok";
-      case OpeningBraceExpected:
-        return "OpeningBraceExpected";
-      case ClosingBraceExpected:
-        return "ClosingBraceExpected";
-      case OpeningBracketExpected:
-        return "OpeningBracketExpected";
-      case ClosingBracketExpected:
-        return "ClosingBracketExpected";
-      case ColonExpected:
-        return "ColonExpected";
       case TooDeep:
         return "TooDeep";
       case NoMemory:
         return "NoMemory";
+      case InvalidInput:
+        return "InvalidInput";
       default:
         return "???";
     }
@@ -73,6 +56,11 @@ inline std::ostream& operator<<(std::ostream& s, const JsonError& e) {
   s << e.c_str();
   return s;
 }
+
+inline std::ostream& operator<<(std::ostream& s, JsonError::Code c) {
+  s << JsonError(c).c_str();
+  return s;
+}
 #endif
 
 }  // namespace ArduinoJson

src/ArduinoJson/JsonObject.hpp

@@ -229,6 +229,11 @@ class JsonObject : public Internals::ReferenceType,
     return instance;
   }
 
+  template <typename Visitor>
+  void visit(Visitor visitor) const {
+    return visitor.acceptObject(*this);
+  }
+
  private:
   // Returns the list node that matches the specified key.
   template <typename TStringRef>

src/ArduinoJson/JsonObjectSubscript.hpp

@@ -82,6 +82,11 @@ class JsonObjectSubscript
     return _object.set(_key, value);
   }
 
+  template <typename Visitor>
+  void visit(Visitor visitor) const {
+    return _object.get<JsonVariant>(_key).visit(visitor);
+  }
+
  private:
   JsonObject& _object;
   TStringRef _key;

src/ArduinoJson/Memory/DynamicJsonBuffer.hpp

@@ -151,6 +151,12 @@ class DynamicJsonBufferBase : public JsonBuffer {
   Block* _head;
   size_t _nextBlockCapacity;
 };
+
+// Implements a JsonBuffer with dynamic memory allocation.
+// You are strongly encouraged to consider using StaticJsonBuffer which is much
+// more suitable for embedded systems.
+typedef Internals::DynamicJsonBufferBase<Internals::DefaultAllocator>
+    DynamicJsonBuffer;
 }  // namespace Internals
 
 #if defined(__clang__)
@@ -160,10 +166,4 @@ class DynamicJsonBufferBase : public JsonBuffer {
 #pragma GCC diagnostic pop
 #endif
 #endif
-
-// Implements a JsonBuffer with dynamic memory allocation.
-// You are strongly encouraged to consider using StaticJsonBuffer which is much
-// more suitable for embedded systems.
-typedef Internals::DynamicJsonBufferBase<Internals::DefaultAllocator>
-    DynamicJsonBuffer;
 }  // namespace ArduinoJson

src/ArduinoJson/Memory/StaticJsonBuffer.hpp

@@ -92,7 +92,6 @@ class StaticJsonBufferBase : public JsonBuffer {
   size_t _capacity;
   size_t _size;
 };
-}  // namespace Internals
 
 #if defined(__clang__)
 #pragma clang diagnostic push
@@ -118,6 +117,7 @@ class StaticJsonBuffer : public Internals::StaticJsonBufferBase {
  private:
   char _buffer[ACTUAL_CAPACITY];
 };
+}  // namespace Internals
 }  // namespace ArduinoJson
 
 #if defined(__clang__)

src/ArduinoJson/MsgPack/MsgPackDeserializer.hpp

@@ -28,40 +28,6 @@ class MsgPackDeserializer {
         _writer(writer),
         _nestingLimit(nestingLimit) {}
 
-  MsgPackError parse(JsonArray &array) {
-    uint8_t c = readOne();
-    size_t n;
-
-    if ((c & 0xF0) == 0x90) {
-      n = c & 0x0F;
-    } else if (c == 0xdc) {
-      n = readInteger<uint16_t>();
-    } else if (c == 0xdd) {
-      n = readInteger<uint32_t>();
-    } else {
-      return MsgPackError::NotAnArray;
-    }
-
-    return readArray(array, n);
-  }
-
-  MsgPackError parse(JsonObject &object) {
-    uint8_t c = readOne();
-    size_t n;
-
-    if ((c & 0xf0) == 0x80) {
-      n = c & 0x0f;
-    } else if (c == 0xde) {
-      n = readInteger<uint16_t>();
-    } else if (c == 0xdf) {
-      n = readInteger<uint32_t>();
-    } else {
-      return MsgPackError::NotAnObject;
-    }
-
-    return readObject(object, n);
-  }
-
   MsgPackError parse(JsonVariant &variant) {
     uint8_t c = readOne();
 

src/ArduinoJson/MsgPack/MsgPackError.hpp

@@ -8,7 +8,7 @@ namespace ArduinoJson {
 
 class MsgPackError {
  public:
-  enum Code { Ok, NotSupported, NoMemory, NotAnArray, NotAnObject, TooDeep };
+  enum Code { Ok, NotSupported, NoMemory, TooDeep };
 
   MsgPackError() {}
 
@@ -42,10 +42,6 @@ class MsgPackError {
         return "NotSupported";
       case NoMemory:
         return "NoMemory";
-      case NotAnArray:
-        return "NotAnArray";
-      case NotAnObject:
-        return "NotAnObject";
       case TooDeep:
         return "TooDeep";
       default:
@@ -62,6 +58,11 @@ inline std::ostream& operator<<(std::ostream& os, const MsgPackError& err) {
   os << err.c_str();
   return os;
 }
+
+inline std::ostream& operator<<(std::ostream& os, MsgPackError::Code code) {
+  os << MsgPackError(code).c_str();
+  return os;
+}
 #endif
 
 }  // namespace ArduinoJson

src/ArduinoJson/StaticJsonArray.hpp

@@ -1,32 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "JsonArray.hpp"
-#include "Memory/StaticJsonBuffer.hpp"
-
-namespace ArduinoJson {
-
-template <size_t CAPACITY>
-class StaticJsonArray : public JsonArray {
-  StaticJsonBuffer<CAPACITY - sizeof(JsonArray)> _buffer;
-
- public:
-  StaticJsonArray() : JsonArray(&_buffer) {}
-
-  void clear() {
-    Internals::List<JsonVariant>::clear();
-    _buffer.clear();
-  }
-
-  size_t memoryUsage() const {
-    return _buffer.size() + sizeof(JsonArray);
-  }
-
-  Internals::StaticJsonBufferBase& buffer() {
-    return _buffer;
-  }
-};
-}  // namespace ArduinoJson

src/ArduinoJson/StaticJsonDocument.hpp

@@ -0,0 +1,80 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#include "JsonVariant.hpp"
+#include "Memory/StaticJsonBuffer.hpp"
+
+namespace ArduinoJson {
+
+template <size_t CAPACITY = sizeof(JsonVariant)>
+class StaticJsonDocument {
+  Internals::StaticJsonBuffer<CAPACITY> _buffer;
+  JsonVariant _root;
+
+ public:
+  Internals::StaticJsonBufferBase& buffer() {
+    return _buffer;
+  }
+
+  template <typename T>
+  bool is() const {
+    return _root.is<T>();
+  }
+
+  template <typename T>
+  typename Internals::JsonVariantAs<T>::type as() const {
+    return _root.as<T>();
+  }
+
+  // JsonObject& to<JsonObject>()
+  template <typename T>
+  typename Internals::EnableIf<Internals::IsSame<T, JsonObject>::value,
+                               JsonObject&>::type
+  to() {
+    clear();
+    JsonObject* object = new (&_buffer) JsonObject(&_buffer);
+    if (!object) return JsonObject::invalid();
+    _root = object;
+    return *object;
+  }
+
+  // JsonArray& to<JsonArray>()
+  template <typename T>
+  typename Internals::EnableIf<Internals::IsSame<T, JsonArray>::value,
+                               JsonArray&>::type
+  to() {
+    clear();
+    JsonArray* array = new (&_buffer) JsonArray(&_buffer);
+    if (!array) return JsonArray::invalid();
+    _root = array;
+    return *array;
+  }
+
+  // JsonVariant to<JsonVariant>()
+  template <typename T>
+  typename Internals::EnableIf<Internals::IsSame<T, JsonVariant>::value,
+                               T&>::type
+  to() {
+    clear();
+    return _root;
+  }
+
+  void clear() {
+    _buffer.clear();
+    _root = JsonVariant();
+  }
+
+  size_t memoryUsage() const {
+    return _buffer.size();
+  }
+
+  template <typename Visitor>
+  void visit(Visitor visitor) const {
+    return _root.visit(visitor);
+  }
+};
+
+}  // namespace ArduinoJson

src/ArduinoJson/StaticJsonObject.hpp

@@ -1,32 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "JsonObject.hpp"
-#include "Memory/StaticJsonBuffer.hpp"
-
-namespace ArduinoJson {
-
-template <size_t CAPACITY>
-class StaticJsonObject : public JsonObject {
-  StaticJsonBuffer<CAPACITY - sizeof(JsonObject)> _buffer;
-
- public:
-  StaticJsonObject() : JsonObject(&_buffer) {}
-
-  void clear() {
-    Internals::List<JsonPair>::clear();
-    _buffer.clear();
-  }
-
-  size_t memoryUsage() const {
-    return _buffer.size() + sizeof(JsonObject);
-  }
-
-  Internals::StaticJsonBufferBase& buffer() {
-    return _buffer;
-  }
-};
-}  // namespace ArduinoJson

src/ArduinoJson/StaticJsonVariant.hpp

@@ -1,43 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#pragma once
-
-#include "JsonVariant.hpp"
-#include "Memory/StaticJsonBuffer.hpp"
-
-namespace ArduinoJson {
-
-template <size_t CAPACITY = sizeof(JsonVariant)>
-class StaticJsonVariant : public JsonVariant {
-  StaticJsonBuffer<CAPACITY> _buffer;
-
- public:
-  template <typename T>
-  StaticJsonVariant& operator=(const T& value) {
-    _buffer.clear();
-    JsonVariant::operator=(value);
-    return *this;
-  }
-
-  template <typename T>
-  StaticJsonVariant& operator=(const T* value) {
-    _buffer.clear();
-    JsonVariant::operator=(value);
-    return *this;
-  }
-
-  Internals::StaticJsonBufferBase& buffer() {
-    return _buffer;
-  }
-
-  void clear() {
-    _buffer.clear();
-  }
-
-  size_t memoryUsage() const {
-    return _buffer.size();
-  }
-};
-}  // namespace ArduinoJson

src/ArduinoJson/TypeTraits/Max.hpp

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include <stdlib.h>  // for size_t
+
 namespace ArduinoJson {
 namespace Internals {
 

src/ArduinoJson/deserializeJson.hpp

@@ -4,43 +4,40 @@
 
 #pragma once
 
-#include "Json/Deserialization/JsonParser.hpp"
+#include "Json/Deserialization/JsonDeserializer.hpp"
 
 namespace ArduinoJson {
-// JsonError deserializeJson(TDestination& destination, TString json);
-// TDestination = JsonArray, JsonObject, JsonVariant
+// JsonError deserializeJson(TDocument& doc, TString json);
+// TDocument = DynamicJsonDocument, StaticJsonDocument
 // TString = const std::string&, const String&
-template <typename TDestination, typename TString>
+template <typename TDocument, typename TString>
 typename Internals::EnableIf<!Internals::IsArray<TString>::value,
                              JsonError>::type
-deserializeJson(TDestination &destination, const TString &json,
+deserializeJson(TDocument &doc, const TString &json,
                 uint8_t nestingLimit = ARDUINOJSON_DEFAULT_NESTING_LIMIT) {
-  destination.clear();
-  return Internals::makeParser(&destination.buffer(), json, nestingLimit)
-      .parse(destination);
+  return Internals::makeParser(&doc.buffer(), json, nestingLimit)
+      .parse(doc.template to<JsonVariant>());
 }
 //
-// JsonError deserializeJson(TDestination& destination, TString json);
-// TDestination = JsonArray, JsonObject, JsonVariant
+// JsonError deserializeJson(TDocument& doc, TString json);
+// TDocument = DynamicJsonDocument, StaticJsonDocument
 // TString = const char*, const char[N], const FlashStringHelper*
-template <typename TDestination, typename TString>
+template <typename TDocument, typename TString>
 JsonError deserializeJson(
-    TDestination &destination, TString *json,
+    TDocument &doc, TString *json,
     uint8_t nestingLimit = ARDUINOJSON_DEFAULT_NESTING_LIMIT) {
-  destination.clear();
-  return Internals::makeParser(&destination.buffer(), json, nestingLimit)
-      .parse(destination);
+  return Internals::makeParser(&doc.buffer(), json, nestingLimit)
+      .parse(doc.template to<JsonVariant>());
 }
 //
-// JsonError deserializeJson(TDestination& destination, TString json);
-// TDestination = JsonArray, JsonObject, JsonVariant
+// JsonError deserializeJson(TDocument& doc, TString json);
+// TDocument = DynamicJsonDocument, StaticJsonDocument
 // TString = std::istream&, Stream&
-template <typename TDestination, typename TString>
+template <typename TDocument, typename TString>
 JsonError deserializeJson(
-    TDestination &destination, TString &json,
+    TDocument &doc, TString &json,
     uint8_t nestingLimit = ARDUINOJSON_DEFAULT_NESTING_LIMIT) {
-  destination.clear();
-  return Internals::makeParser(&destination.buffer(), json, nestingLimit)
-      .parse(destination);
+  return Internals::makeParser(&doc.buffer(), json, nestingLimit)
+      .parse(doc.template to<JsonVariant>());
 }
 }  // namespace ArduinoJson

src/ArduinoJson/deserializeMsgPack.hpp

@@ -7,43 +7,37 @@
 #include "MsgPack/MsgPackDeserializer.hpp"
 
 namespace ArduinoJson {
-// MsgPackError deserializeMsgPack(TDestination& destination, TString json);
-// TDestination = JsonArray, JsonObject, JsonVariant
+// MsgPackError deserializeMsgPack(TDocument& doc, TString json);
+// TDocument = DynamicJsonArray | StaticJsonArray
 // TString = const std::string&, const String&
-template <typename TDestination, typename TString>
+template <typename TDocument, typename TString>
 typename Internals::EnableIf<!Internals::IsArray<TString>::value,
                              MsgPackError>::type
-deserializeMsgPack(TDestination &destination, const TString &json,
+deserializeMsgPack(TDocument &doc, const TString &json,
                    uint8_t nestingLimit = ARDUINOJSON_DEFAULT_NESTING_LIMIT) {
-  destination.clear();
-  return Internals::makeMsgPackDeserializer(&destination.buffer(), json,
-                                            nestingLimit)
-      .parse(destination);
+  return Internals::makeMsgPackDeserializer(&doc.buffer(), json, nestingLimit)
+      .parse(doc.template to<JsonVariant>());
 }
 //
-// MsgPackError deserializeMsgPack(TDestination& destination, TString json);
-// TDestination = JsonArray, JsonObject, JsonVariant
+// MsgPackError deserializeMsgPack(TDocument& doc, TString json);
+// TDocument = DynamicJsonArray | StaticJsonArray
 // TString = const char*, const char[N], const FlashStringHelper*
-template <typename TDestination, typename TString>
+template <typename TDocument, typename TString>
 MsgPackError deserializeMsgPack(
-    TDestination &destination, TString *json,
+    TDocument &doc, TString *json,
     uint8_t nestingLimit = ARDUINOJSON_DEFAULT_NESTING_LIMIT) {
-  destination.clear();
-  return Internals::makeMsgPackDeserializer(&destination.buffer(), json,
-                                            nestingLimit)
-      .parse(destination);
+  return Internals::makeMsgPackDeserializer(&doc.buffer(), json, nestingLimit)
+      .parse(doc.template to<JsonVariant>());
 }
 //
-// MsgPackError deserializeMsgPack(TDestination& destination, TString json);
-// TDestination = JsonArray, JsonObject, JsonVariant
+// MsgPackError deserializeMsgPack(TDocument& doc, TString json);
+// TDocument = DynamicJsonArray | StaticJsonArray
 // TString = std::istream&, Stream&
-template <typename TDestination, typename TString>
+template <typename TDocument, typename TString>
 MsgPackError deserializeMsgPack(
-    TDestination &destination, TString &json,
+    TDocument &doc, TString &json,
     uint8_t nestingLimit = ARDUINOJSON_DEFAULT_NESTING_LIMIT) {
-  destination.clear();
-  return Internals::makeMsgPackDeserializer(&destination.buffer(), json,
-                                            nestingLimit)
-      .parse(destination);
+  return Internals::makeMsgPackDeserializer(&doc.buffer(), json, nestingLimit)
+      .parse(doc.template to<JsonVariant>());
 }
 }  // namespace ArduinoJson

test/CMakeLists.txt

@@ -68,7 +68,7 @@ add_subdirectory(DynamicJsonBuffer)
 add_subdirectory(IntegrationTests)
 add_subdirectory(JsonArray)
 add_subdirectory(JsonObject)
-add_subdirectory(JsonParser)
+add_subdirectory(JsonDeserializer)
 add_subdirectory(JsonSerializer)
 add_subdirectory(JsonVariant)
 add_subdirectory(JsonWriter)

test/DynamicJsonBuffer/alloc.cpp

@@ -18,8 +18,7 @@ std::stringstream allocatorLog;
 
 struct SpyingAllocator : DefaultAllocator {
   void* allocate(size_t n) {
-    allocatorLog << static_cast<const char*>("A")
-                 << (n - DynamicJsonBuffer::EmptyBlockSize);
+    allocatorLog << "A" << (n - DynamicJsonBuffer::EmptyBlockSize);
     return DefaultAllocator::allocate(n);
   }
   void deallocate(void* p) {

test/DynamicJsonBuffer/no_memory.cpp

@@ -23,19 +23,9 @@ TEST_CASE("DynamicJsonBuffer no memory") {
   }
 
   // TODO: uncomment
-  // SECTION("parseArray()") {
-  //   char json[] = "[{}]";
-  //   DynamicJsonArray arr;
-
-  //   JsonError err = deserializeJson(arr, json);
-
-  //   REQUIRE(err != JsonError::Ok);
-  // }
-
-  // TODO: uncomment
-  // SECTION("parseObject()") {
+  // SECTION("deserializeJson()") {
   //   char json[] = "{[]}";
-  //   DynamicJsonObject obj;
+  //   DynamicJsonDocument obj;
 
   //   JsonError err = deserializeJson(obj, json);
 

test/DynamicJsonBuffer/size.cpp

@@ -2,9 +2,11 @@
 // Copyright Benoit Blanchon 2014-2018
 // MIT License
 
-#include <ArduinoJson.h>
+#include <ArduinoJson/Memory/DynamicJsonBuffer.hpp>
 #include <catch.hpp>
 
+using namespace ArduinoJson::Internals;
+
 TEST_CASE("DynamicJsonBuffer::size()") {
   DynamicJsonBuffer buffer;
 

test/DynamicJsonBuffer/startString.cpp

@@ -2,9 +2,11 @@
 // Copyright Benoit Blanchon 2014-2018
 // MIT License
 
-#include <ArduinoJson.h>
+#include <ArduinoJson/Memory/DynamicJsonBuffer.hpp>
 #include <catch.hpp>
 
+using namespace ArduinoJson::Internals;
+
 TEST_CASE("DynamicJsonBuffer::startString()") {
   SECTION("WorksWhenBufferIsBigEnough") {
     DynamicJsonBuffer jsonBuffer(6);

test/IntegrationTests/gbathree.cpp

@@ -6,10 +6,10 @@
 #include <catch.hpp>
 
 TEST_CASE("Gbathree") {
-  DynamicJsonObject _object;
+  DynamicJsonDocument doc;
 
   JsonError error = deserializeJson(
-      _object,
+      doc,
       "{\"protocol_name\":\"fluorescence\",\"repeats\":1,\"wait\":0,"
       "\"averages\":1,\"measurements\":3,\"meas2_light\":15,\"meas1_"
       "baseline\":0,\"act_light\":20,\"pulsesize\":25,\"pulsedistance\":"
@@ -20,67 +20,68 @@ TEST_CASE("Gbathree") {
       "\"measlights\":[[15,15,15,15],[15,15,15,15],[15,15,15,15],[15,15,"
       "15,15]],\"measlights2\":[[15,15,15,15],[15,15,15,15],[15,15,15,15],"
       "[15,15,15,15]],\"altc\":[2,2,2,2],\"altd\":[2,2,2,2]}");
+  JsonObject& root = doc.as<JsonObject>();
 
   SECTION("Success") {
     REQUIRE(error == JsonError::Ok);
   }
 
   SECTION("ProtocolName") {
-    REQUIRE("fluorescence" == _object["protocol_name"]);
+    REQUIRE("fluorescence" == root["protocol_name"]);
   }
 
   SECTION("Repeats") {
-    REQUIRE(1 == _object["repeats"]);
+    REQUIRE(1 == root["repeats"]);
   }
 
   SECTION("Wait") {
-    REQUIRE(0 == _object["wait"]);
+    REQUIRE(0 == root["wait"]);
   }
 
   SECTION("Measurements") {
-    REQUIRE(3 == _object["measurements"]);
+    REQUIRE(3 == root["measurements"]);
   }
 
   SECTION("Meas2_Light") {
-    REQUIRE(15 == _object["meas2_light"]);
+    REQUIRE(15 == root["meas2_light"]);
   }
 
   SECTION("Meas1_Baseline") {
-    REQUIRE(0 == _object["meas1_baseline"]);
+    REQUIRE(0 == root["meas1_baseline"]);
   }
 
   SECTION("Act_Light") {
-    REQUIRE(20 == _object["act_light"]);
+    REQUIRE(20 == root["act_light"]);
   }
 
   SECTION("Pulsesize") {
-    REQUIRE(25 == _object["pulsesize"]);
+    REQUIRE(25 == root["pulsesize"]);
   }
 
   SECTION("Pulsedistance") {
-    REQUIRE(10000 == _object["pulsedistance"]);
+    REQUIRE(10000 == root["pulsedistance"]);
   }
 
   SECTION("Actintensity1") {
-    REQUIRE(50 == _object["actintensity1"]);
+    REQUIRE(50 == root["actintensity1"]);
   }
 
   SECTION("Actintensity2") {
-    REQUIRE(255 == _object["actintensity2"]);
+    REQUIRE(255 == root["actintensity2"]);
   }
 
   SECTION("Measintensity") {
-    REQUIRE(255 == _object["measintensity"]);
+    REQUIRE(255 == root["measintensity"]);
   }
 
   SECTION("Calintensity") {
-    REQUIRE(255 == _object["calintensity"]);
+    REQUIRE(255 == root["calintensity"]);
   }
 
   SECTION("Pulses") {
     // "pulses":[50,50,50]
 
-    JsonArray& array = _object["pulses"];
+    JsonArray& array = root["pulses"];
     REQUIRE(array.success());
 
     REQUIRE(3 == array.size());
@@ -93,7 +94,7 @@ TEST_CASE("Gbathree") {
   SECTION("Act") {
     // "act":[2,1,2,2]
 
-    JsonArray& array = _object["act"];
+    JsonArray& array = root["act"];
     REQUIRE(array.success());
 
     REQUIRE(4 == array.size());
@@ -106,7 +107,7 @@ TEST_CASE("Gbathree") {
   SECTION("Detectors") {
     // "detectors":[[34,34,34,34],[34,34,34,34],[34,34,34,34],[34,34,34,34]]
 
-    JsonArray& array = _object["detectors"];
+    JsonArray& array = root["detectors"];
     REQUIRE(array.success());
     REQUIRE(4 == array.size());
 
@@ -123,7 +124,7 @@ TEST_CASE("Gbathree") {
   SECTION("Alta") {
     // alta:[2,2,2,2]
 
-    JsonArray& array = _object["alta"];
+    JsonArray& array = root["alta"];
     REQUIRE(array.success());
 
     REQUIRE(4 == array.size());
@@ -136,7 +137,7 @@ TEST_CASE("Gbathree") {
   SECTION("Altb") {
     // altb:[2,2,2,2]
 
-    JsonArray& array = _object["altb"];
+    JsonArray& array = root["altb"];
     REQUIRE(array.success());
 
     REQUIRE(4 == array.size());
@@ -149,7 +150,7 @@ TEST_CASE("Gbathree") {
   SECTION("Measlights") {
     // "measlights":[[15,15,15,15],[15,15,15,15],[15,15,15,15],[15,15,15,15]]
 
-    JsonArray& array = _object["measlights"];
+    JsonArray& array = root["measlights"];
     REQUIRE(array.success());
     REQUIRE(4 == array.size());
 
@@ -167,7 +168,7 @@ TEST_CASE("Gbathree") {
   SECTION("Measlights2") {
     // "measlights2":[[15,15,15,15],[15,15,15,15],[15,15,15,15],[15,15,15,15]]
 
-    JsonArray& array = _object["measlights2"];
+    JsonArray& array = root["measlights2"];
     REQUIRE(array.success());
     REQUIRE(4 == array.size());
 
@@ -184,7 +185,7 @@ TEST_CASE("Gbathree") {
   SECTION("Altc") {
     // altc:[2,2,2,2]
 
-    JsonArray& array = _object["altc"];
+    JsonArray& array = root["altc"];
     REQUIRE(array.success());
 
     REQUIRE(4 == array.size());
@@ -197,7 +198,7 @@ TEST_CASE("Gbathree") {
   SECTION("Altd") {
     // altd:[2,2,2,2]
 
-    JsonArray& array = _object["altd"];
+    JsonArray& array = root["altd"];
     REQUIRE(array.success());
 
     REQUIRE(4 == array.size());

test/IntegrationTests/round_trip.cpp

@@ -6,15 +6,15 @@
 #include <catch.hpp>
 
 void check(std::string originalJson) {
-  DynamicJsonObject obj;
+  DynamicJsonDocument doc;
 
   std::string prettyJson;
-  deserializeJson(obj, originalJson);
-  serializeJsonPretty(obj, prettyJson);
+  deserializeJson(doc, originalJson);
+  serializeJsonPretty(doc, prettyJson);
 
   std::string finalJson;
-  deserializeJson(obj, originalJson);
-  serializeJson(obj, finalJson);
+  deserializeJson(doc, originalJson);
+  serializeJson(doc, finalJson);
 
   REQUIRE(originalJson == finalJson);
 }

test/JsonArray/add.cpp

@@ -6,7 +6,8 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonArray::add()") {
-  DynamicJsonArray _array;
+  DynamicJsonDocument doc;
+  JsonArray& _array = doc.to<JsonArray>();
 
   SECTION("int") {
     _array.add(123);
@@ -38,7 +39,8 @@ TEST_CASE("JsonArray::add()") {
   }
 
   SECTION("nested array") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
 
     _array.add(arr);
 
@@ -48,7 +50,8 @@ TEST_CASE("JsonArray::add()") {
   }
 
   SECTION("nested object") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc2;
+    JsonObject& obj = doc2.to<JsonObject>();
 
     _array.add(obj);
 
@@ -59,7 +62,8 @@ TEST_CASE("JsonArray::add()") {
 
   SECTION("array subscript") {
     const char* str = "hello";
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
     arr.add(str);
 
     _array.add(arr[0]);
@@ -69,7 +73,8 @@ TEST_CASE("JsonArray::add()") {
 
   SECTION("object subscript") {
     const char* str = "hello";
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc2;
+    JsonObject& obj = doc2.to<JsonObject>();
     obj["x"] = str;
 
     _array.add(obj["x"]);
@@ -80,30 +85,30 @@ TEST_CASE("JsonArray::add()") {
   SECTION("should not duplicate const char*") {
     _array.add("world");
     const size_t expectedSize = JSON_ARRAY_SIZE(1);
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char*") {
     _array.add(const_cast<char*>("world"));
     const size_t expectedSize = JSON_ARRAY_SIZE(1) + 6;
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string") {
     _array.add(std::string("world"));
     const size_t expectedSize = JSON_ARRAY_SIZE(1) + 6;
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should not duplicate RawJson(const char*)") {
     _array.add(RawJson("{}"));
     const size_t expectedSize = JSON_ARRAY_SIZE(1);
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate RawJson(char*)") {
     _array.add(RawJson(const_cast<char*>("{}")));
     const size_t expectedSize = JSON_ARRAY_SIZE(1) + 3;
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 }

test/JsonArray/basics.cpp

@@ -6,7 +6,8 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonArray basics") {
-  DynamicJsonArray array;
+  DynamicJsonDocument doc;
+  JsonArray& array = doc.to<JsonArray>();
 
   SECTION("SuccessIsTrue") {
     REQUIRE(array.success());

test/JsonArray/copyFrom.cpp

@@ -7,7 +7,8 @@
 
 TEST_CASE("JsonArray::copyFrom()") {
   SECTION("OneDimension") {
-    DynamicJsonArray array;
+    DynamicJsonDocument doc;
+    JsonArray& array = doc.to<JsonArray>();
     char json[32];
     int source[] = {1, 2, 3};
 
@@ -20,7 +21,8 @@ TEST_CASE("JsonArray::copyFrom()") {
 
   SECTION("OneDimension_JsonBufferTooSmall") {
     const size_t SIZE = JSON_ARRAY_SIZE(2);
-    StaticJsonArray<SIZE> array;
+    StaticJsonDocument<SIZE> doc;
+    JsonArray& array = doc.to<JsonArray>();
     char json[32];
     int source[] = {1, 2, 3};
 
@@ -32,7 +34,8 @@ TEST_CASE("JsonArray::copyFrom()") {
   }
 
   SECTION("TwoDimensions") {
-    DynamicJsonArray array;
+    DynamicJsonDocument doc;
+    JsonArray& array = doc.to<JsonArray>();
     char json[32];
     int source[][3] = {{1, 2, 3}, {4, 5, 6}};
 
@@ -46,7 +49,8 @@ TEST_CASE("JsonArray::copyFrom()") {
   SECTION("TwoDimensions_JsonBufferTooSmall") {
     const size_t SIZE =
         JSON_ARRAY_SIZE(2) + JSON_ARRAY_SIZE(3) + JSON_ARRAY_SIZE(2);
-    StaticJsonArray<SIZE> array;
+    StaticJsonDocument<SIZE> doc;
+    JsonArray& array = doc.to<JsonArray>();
     char json[32];
     int source[][3] = {{1, 2, 3}, {4, 5, 6}};
 

test/JsonArray/copyTo.cpp

@@ -6,12 +6,13 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonArray::copyTo()") {
-  DynamicJsonArray array;
+  DynamicJsonDocument doc;
 
   SECTION("BiggerOneDimensionIntegerArray") {
     char json[] = "[1,2,3]";
-    JsonError err = deserializeJson(array, json);
+    JsonError err = deserializeJson(doc, json);
     REQUIRE(err == JsonError::Ok);
+    JsonArray& array = doc.as<JsonArray>();
 
     int destination[4] = {0};
     size_t result = array.copyTo(destination);
@@ -25,8 +26,9 @@ TEST_CASE("JsonArray::copyTo()") {
 
   SECTION("SmallerOneDimensionIntegerArray") {
     char json[] = "[1,2,3]";
-    JsonError err = deserializeJson(array, json);
+    JsonError err = deserializeJson(doc, json);
     REQUIRE(err == JsonError::Ok);
+    JsonArray& array = doc.as<JsonArray>();
 
     int destination[2] = {0};
     size_t result = array.copyTo(destination);
@@ -39,8 +41,9 @@ TEST_CASE("JsonArray::copyTo()") {
   SECTION("TwoOneDimensionIntegerArray") {
     char json[] = "[[1,2],[3],[4]]";
 
-    JsonError err = deserializeJson(array, json);
+    JsonError err = deserializeJson(doc, json);
     REQUIRE(err == JsonError::Ok);
+    JsonArray& array = doc.as<JsonArray>();
 
     int destination[3][2] = {{0}};
     array.copyTo(destination);

test/JsonArray/iterator.cpp

@@ -7,7 +7,8 @@
 
 template <typename TIterator>
 static void run_iterator_test() {
-  StaticJsonArray<JSON_ARRAY_SIZE(2)> array;
+  StaticJsonDocument<JSON_ARRAY_SIZE(2)> doc;
+  JsonArray& array = doc.to<JsonArray>();
   array.add(12);
   array.add(34);
 

test/JsonArray/remove.cpp

@@ -6,7 +6,8 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonArray::remove()") {
-  DynamicJsonArray _array;
+  DynamicJsonDocument doc;
+  JsonArray& _array = doc.to<JsonArray>();
   _array.add(1);
   _array.add(2);
   _array.add(3);

test/JsonArray/set.cpp

@@ -8,7 +8,8 @@
 using namespace Catch::Matchers;
 
 TEST_CASE("JsonArray::set()") {
-  DynamicJsonArray _array;
+  DynamicJsonDocument doc;
+  JsonArray& _array = doc.to<JsonArray>();
   _array.add(0);
 
   SECTION("int") {
@@ -40,7 +41,8 @@ TEST_CASE("JsonArray::set()") {
   }
 
   SECTION("nested array") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
 
     _array.set(0, arr);
 
@@ -50,7 +52,8 @@ TEST_CASE("JsonArray::set()") {
   }
 
   SECTION("nested object") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc2;
+    JsonObject& obj = doc2.to<JsonObject>();
 
     _array.set(0, obj);
 
@@ -60,7 +63,8 @@ TEST_CASE("JsonArray::set()") {
   }
 
   SECTION("array subscript") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
     arr.add("hello");
 
     _array.set(0, arr[0]);
@@ -69,7 +73,8 @@ TEST_CASE("JsonArray::set()") {
   }
 
   SECTION("object subscript") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc2;
+    JsonObject& obj = doc2.to<JsonObject>();
     obj["x"] = "hello";
 
     _array.set(0, obj["x"]);
@@ -80,18 +85,18 @@ TEST_CASE("JsonArray::set()") {
   SECTION("should not duplicate const char*") {
     _array.set(0, "world");
     const size_t expectedSize = JSON_ARRAY_SIZE(1);
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char*") {
     _array.set(0, const_cast<char*>("world"));
     const size_t expectedSize = JSON_ARRAY_SIZE(1) + 6;
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string") {
     _array.set(0, std::string("world"));
     const size_t expectedSize = JSON_ARRAY_SIZE(1) + 6;
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 }

test/JsonArray/size.cpp

@@ -6,7 +6,8 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonArray::size()") {
-  DynamicJsonArray _array;
+  DynamicJsonDocument doc;
+  JsonArray& _array = doc.to<JsonArray>();
 
   SECTION("increases after add()") {
     _array.add("hello");

test/JsonArray/subscript.cpp

@@ -7,7 +7,8 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonArray::operator[]") {
-  DynamicJsonArray _array;
+  DynamicJsonDocument doc;
+  JsonArray& _array = doc.to<JsonArray>();
   _array.add(0);
 
   SECTION("int") {
@@ -51,7 +52,8 @@ TEST_CASE("JsonArray::operator[]") {
   }
 
   SECTION("nested array") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
 
     _array[0] = arr;
 
@@ -64,7 +66,8 @@ TEST_CASE("JsonArray::operator[]") {
   }
 
   SECTION("nested object") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc2;
+    JsonObject& obj = doc2.to<JsonObject>();
 
     _array[0] = obj;
 
@@ -77,7 +80,8 @@ TEST_CASE("JsonArray::operator[]") {
   }
 
   SECTION("array subscript") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
     const char* str = "hello";
 
     arr.add(str);
@@ -88,8 +92,9 @@ TEST_CASE("JsonArray::operator[]") {
   }
 
   SECTION("object subscript") {
-    DynamicJsonObject obj;
     const char* str = "hello";
+    DynamicJsonDocument doc2;
+    JsonObject& obj = doc2.to<JsonObject>();
 
     obj["x"] = str;
 
@@ -101,18 +106,18 @@ TEST_CASE("JsonArray::operator[]") {
   SECTION("should not duplicate const char*") {
     _array[0] = "world";
     const size_t expectedSize = JSON_ARRAY_SIZE(1);
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char*") {
     _array[0] = const_cast<char*>("world");
     const size_t expectedSize = JSON_ARRAY_SIZE(1) + 6;
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string") {
     _array[0] = std::string("world");
     const size_t expectedSize = JSON_ARRAY_SIZE(1) + 6;
-    REQUIRE(expectedSize == _array.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 }

test/JsonDeserializer/CMakeLists.txt

@@ -0,0 +1,16 @@
+# ArduinoJson - arduinojson.org
+# Copyright Benoit Blanchon 2014-2018
+# MIT License
+
+add_executable(JsonDeserializerTests
+	deserializeJsonArray.cpp
+	deserializeJsonArrayStatic.cpp
+	deserializeJsonObject.cpp
+	deserializeJsonObjectStatic.cpp
+	deserializeJsonValue.cpp
+	JsonError.cpp
+	nestingLimit.cpp
+)
+
+target_link_libraries(JsonDeserializerTests catch)
+add_test(JsonDeserializer JsonDeserializerTests)

test/JsonDeserializer/JsonError.cpp

@@ -22,23 +22,21 @@ void testBoolification(JsonError error, bool expected) {
 TEST_CASE("JsonError") {
   SECTION("c_str()") {
     TEST_STRINGIFICATION(Ok);
-    TEST_STRINGIFICATION(OpeningBraceExpected);
-    TEST_STRINGIFICATION(ClosingBraceExpected);
-    TEST_STRINGIFICATION(OpeningBracketExpected);
-    TEST_STRINGIFICATION(ClosingBracketExpected);
-    TEST_STRINGIFICATION(ColonExpected);
     TEST_STRINGIFICATION(TooDeep);
     TEST_STRINGIFICATION(NoMemory);
+    TEST_STRINGIFICATION(InvalidInput);
   }
 
   SECTION("as boolean") {
     TEST_BOOLIFICATION(Ok, false);
-    TEST_BOOLIFICATION(OpeningBraceExpected, true);
-    TEST_BOOLIFICATION(ClosingBraceExpected, true);
-    TEST_BOOLIFICATION(OpeningBracketExpected, true);
-    TEST_BOOLIFICATION(ClosingBracketExpected, true);
-    TEST_BOOLIFICATION(ColonExpected, true);
     TEST_BOOLIFICATION(TooDeep, true);
     TEST_BOOLIFICATION(NoMemory, true);
+    TEST_BOOLIFICATION(InvalidInput, true);
+  }
+
+  SECTION("ostream") {
+    std::stringstream s;
+    s << JsonError::InvalidInput;
+    REQUIRE(s.str() == "InvalidInput");
   }
 }

test/JsonDeserializer/deserializeJsonArray.cpp

@@ -5,11 +5,12 @@
 #include <ArduinoJson.h>
 #include <catch.hpp>
 
-TEST_CASE("deserializeJson(DynamicJsonArray&)") {
-  DynamicJsonArray arr;
+TEST_CASE("deserialize JSON array") {
+  DynamicJsonDocument doc;
 
   SECTION("An empty array") {
-    JsonError err = deserializeJson(arr, "[]");
+    JsonError err = deserializeJson(doc, "[]");
+    JsonArray& arr = doc.as<JsonArray>();
 
     REQUIRE(err == JsonError::Ok);
     REQUIRE(0 == arr.size());
@@ -17,14 +18,16 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
 
   SECTION("Spaces") {
     SECTION("Before the opening bracket") {
-      JsonError err = deserializeJson(arr, "  []");
+      JsonError err = deserializeJson(doc, "  []");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(0 == arr.size());
     }
 
     SECTION("Before first value") {
-      JsonError err = deserializeJson(arr, "[ \t\r\n42]");
+      JsonError err = deserializeJson(doc, "[ \t\r\n42]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -32,7 +35,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("After first value") {
-      JsonError err = deserializeJson(arr, "[42 \t\r\n]");
+      JsonError err = deserializeJson(doc, "[42 \t\r\n]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -42,7 +46,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
 
   SECTION("Values types") {
     SECTION("On integer") {
-      JsonError err = deserializeJson(arr, "[42]");
+      JsonError err = deserializeJson(doc, "[42]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -50,7 +55,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Two integers") {
-      JsonError err = deserializeJson(arr, "[42,84]");
+      JsonError err = deserializeJson(doc, "[42,84]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -59,7 +65,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Double") {
-      JsonError err = deserializeJson(arr, "[4.2,1e2]");
+      JsonError err = deserializeJson(doc, "[4.2,1e2]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -68,7 +75,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Unsigned long") {
-      JsonError err = deserializeJson(arr, "[4294967295]");
+      JsonError err = deserializeJson(doc, "[4294967295]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -76,7 +84,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Boolean") {
-      JsonError err = deserializeJson(arr, "[true,false]");
+      JsonError err = deserializeJson(doc, "[true,false]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -85,18 +94,20 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Null") {
-      JsonError err = deserializeJson(arr, "[null,null]");
+      JsonError err = deserializeJson(doc, "[null,null]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
-      REQUIRE(arr[0].as<char *>() == 0);
-      REQUIRE(arr[1].as<char *>() == 0);
+      REQUIRE(arr[0].as<char*>() == 0);
+      REQUIRE(arr[1].as<char*>() == 0);
     }
   }
 
   SECTION("Quotes") {
     SECTION("Double quotes") {
-      JsonError err = deserializeJson(arr, "[ \"hello\" , \"world\" ]");
+      JsonError err = deserializeJson(doc, "[ \"hello\" , \"world\" ]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -105,7 +116,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Single quotes") {
-      JsonError err = deserializeJson(arr, "[ 'hello' , 'world' ]");
+      JsonError err = deserializeJson(doc, "[ 'hello' , 'world' ]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -114,7 +126,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("No quotes") {
-      JsonError err = deserializeJson(arr, "[ hello , world ]");
+      JsonError err = deserializeJson(doc, "[ hello , world ]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -123,7 +136,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Double quotes (empty strings)") {
-      JsonError err = deserializeJson(arr, "[\"\",\"\"]");
+      JsonError err = deserializeJson(doc, "[\"\",\"\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -132,7 +146,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Single quotes (empty strings)") {
-      JsonError err = deserializeJson(arr, "[\'\',\'\']");
+      JsonError err = deserializeJson(doc, "[\'\',\'\']");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -141,30 +156,28 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("No quotes (empty strings)") {
-      JsonError err = deserializeJson(arr, "[,]");
+      JsonError err = deserializeJson(doc, "[,]");
 
-      REQUIRE(err == JsonError::Ok);
-      REQUIRE(2 == arr.size());
-      REQUIRE(arr[0] == "");
-      REQUIRE(arr[1] == "");
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("Closing single quotes missing") {
-      JsonError err = deserializeJson(arr, "[\"]");
+      JsonError err = deserializeJson(doc, "[\"]");
 
-      REQUIRE(err != JsonError::Ok);
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("Closing double quotes missing") {
-      JsonError err = deserializeJson(arr, "[\']");
+      JsonError err = deserializeJson(doc, "[\']");
 
-      REQUIRE(err != JsonError::Ok);
+      REQUIRE(err == JsonError::InvalidInput);
     }
   }
 
   SECTION("Block comments") {
     SECTION("Before opening bracket") {
-      JsonError err = deserializeJson(arr, "/*COMMENT*/  [\"hello\"]");
+      JsonError err = deserializeJson(doc, "/*COMMENT*/  [\"hello\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -172,7 +185,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("After opening bracket") {
-      JsonError err = deserializeJson(arr, "[/*COMMENT*/ \"hello\"]");
+      JsonError err = deserializeJson(doc, "[/*COMMENT*/ \"hello\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -180,7 +194,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Before closing bracket") {
-      JsonError err = deserializeJson(arr, "[\"hello\"/*COMMENT*/]");
+      JsonError err = deserializeJson(doc, "[\"hello\"/*COMMENT*/]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -188,7 +203,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("After closing bracket") {
-      JsonError err = deserializeJson(arr, "[\"hello\"]/*COMMENT*/");
+      JsonError err = deserializeJson(doc, "[\"hello\"]/*COMMENT*/");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -196,7 +212,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Before comma") {
-      JsonError err = deserializeJson(arr, "[\"hello\"/*COMMENT*/,\"world\"]");
+      JsonError err = deserializeJson(doc, "[\"hello\"/*COMMENT*/,\"world\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -205,7 +222,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("After comma") {
-      JsonError err = deserializeJson(arr, "[\"hello\",/*COMMENT*/ \"world\"]");
+      JsonError err = deserializeJson(doc, "[\"hello\",/*COMMENT*/ \"world\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -214,24 +232,25 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("/*/") {
-      JsonError err = deserializeJson(arr, "[/*/\n]");
-      REQUIRE(err != JsonError::Ok);
+      JsonError err = deserializeJson(doc, "[/*/\n]");
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("Unfinished comment") {
-      JsonError err = deserializeJson(arr, "[/*COMMENT]");
-      REQUIRE(err != JsonError::Ok);
+      JsonError err = deserializeJson(doc, "[/*COMMENT]");
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("Final slash missing") {
-      JsonError err = deserializeJson(arr, "[/*COMMENT*]");
-      REQUIRE(err != JsonError::Ok);
+      JsonError err = deserializeJson(doc, "[/*COMMENT*]");
+      REQUIRE(err == JsonError::InvalidInput);
     }
   }
 
   SECTION("Line comments") {
     SECTION("Before opening bracket") {
-      JsonError err = deserializeJson(arr, "//COMMENT\n\t[\"hello\"]");
+      JsonError err = deserializeJson(doc, "//COMMENT\n\t[\"hello\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -239,7 +258,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("After opening bracket") {
-      JsonError err = deserializeJson(arr, "[//COMMENT\n\"hello\"]");
+      JsonError err = deserializeJson(doc, "[//COMMENT\n\"hello\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -247,7 +267,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Before closing bracket") {
-      JsonError err = deserializeJson(arr, "[\"hello\"//COMMENT\r\n]");
+      JsonError err = deserializeJson(doc, "[\"hello\"//COMMENT\r\n]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -255,7 +276,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("After closing bracket") {
-      JsonError err = deserializeJson(arr, "[\"hello\"]//COMMENT\n");
+      JsonError err = deserializeJson(doc, "[\"hello\"]//COMMENT\n");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
@@ -263,7 +285,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Before comma") {
-      JsonError err = deserializeJson(arr, "[\"hello\"//COMMENT\n,\"world\"]");
+      JsonError err = deserializeJson(doc, "[\"hello\"//COMMENT\n,\"world\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -272,7 +295,8 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("After comma") {
-      JsonError err = deserializeJson(arr, "[\"hello\",//COMMENT\n\"world\"]");
+      JsonError err = deserializeJson(doc, "[\"hello\",//COMMENT\n\"world\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(2 == arr.size());
@@ -281,57 +305,55 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
     }
 
     SECTION("Invalid comment") {
-      JsonError err = deserializeJson(arr, "[/COMMENT\n]");
-      REQUIRE(err != JsonError::Ok);
+      JsonError err = deserializeJson(doc, "[/COMMENT\n]");
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("End document with comment") {
-      JsonError err = deserializeJson(arr, "[//COMMENT");
-      REQUIRE(err != JsonError::Ok);
+      JsonError err = deserializeJson(doc, "[//COMMENT");
+      REQUIRE(err == JsonError::InvalidInput);
     }
   }
 
   SECTION("Misc") {
     SECTION("Garbage") {
-      JsonError err = deserializeJson(arr, "%*$£¤");
+      JsonError err = deserializeJson(doc, "%*$£¤");
 
-      REQUIRE(err != JsonError::Ok);
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("The opening bracket is missing") {
-      JsonError err = deserializeJson(arr, "]");
+      JsonError err = deserializeJson(doc, "]");
 
-      REQUIRE(err != JsonError::Ok);  // TODO
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("The closing bracket is missing") {
-      JsonError err = deserializeJson(arr, "[");
-      REQUIRE(err != JsonError::Ok);  // TODO
+      JsonError err = deserializeJson(doc, "[");
+
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("Escape sequences") {
       JsonError err =
-          deserializeJson(arr, "[\"1\\\"2\\\\3\\/4\\b5\\f6\\n7\\r8\\t9\"]");
+          deserializeJson(doc, "[\"1\\\"2\\\\3\\/4\\b5\\f6\\n7\\r8\\t9\"]");
+      JsonArray& arr = doc.as<JsonArray>();
 
       REQUIRE(err == JsonError::Ok);
       REQUIRE(1 == arr.size());
       REQUIRE(arr[0] == "1\"2\\3/4\b5\f6\n7\r8\t9");
     }
 
-    SECTION("Unterminated escape sequence") {
-      JsonError err = deserializeJson(arr, "\"\\\0\"", 4);
-      REQUIRE(err != JsonError::Ok);
-    }
-
     SECTION("Nested objects") {
       char jsonString[] =
           " [ { \"a\" : 1 , \"b\" : 2 } , { \"c\" : 3 , \"d\" : 4 } ] ";
 
-      JsonError err = deserializeJson(arr, jsonString);
+      JsonError err = deserializeJson(doc, jsonString);
+      JsonArray& arr = doc.as<JsonArray>();
 
-      JsonObject &object1 = arr[0];
-      const JsonObject &object2 = arr[1];
-      JsonObject &object3 = arr[2];
+      JsonObject& object1 = arr[0];
+      const JsonObject& object2 = arr[1];
+      JsonObject& object3 = arr[2];
 
       REQUIRE(err == JsonError::Ok);
 
@@ -352,10 +374,11 @@ TEST_CASE("deserializeJson(DynamicJsonArray&)") {
   }
 
   SECTION("Should clear the JsonArray") {
-    deserializeJson(arr, "[1,2,3,4]");
-    deserializeJson(arr, "[]");
+    deserializeJson(doc, "[1,2,3,4]");
+    deserializeJson(doc, "[]");
+    JsonArray& arr = doc.as<JsonArray>();
 
     REQUIRE(arr.size() == 0);
-    REQUIRE(arr.memoryUsage() == JSON_ARRAY_SIZE(0));
+    REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(0));
   }
 }

test/JsonDeserializer/deserializeJsonArrayStatic.cpp

@@ -0,0 +1,105 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("deserialize JSON array with a StaticJsonDocument") {
+  SECTION("BufferOfTheRightSizeForEmptyArray") {
+    StaticJsonDocument<JSON_ARRAY_SIZE(0)> doc;
+    char input[] = "[]";
+
+    JsonError err = deserializeJson(doc, input);
+
+    REQUIRE(err == JsonError::Ok);
+  }
+
+  SECTION("TooSmallBufferForArrayWithOneValue") {
+    StaticJsonDocument<JSON_ARRAY_SIZE(1) - 1> doc;
+    char input[] = "[1]";
+
+    JsonError err = deserializeJson(doc, input);
+
+    REQUIRE(err != JsonError::Ok);
+  }
+
+  SECTION("BufferOfTheRightSizeForArrayWithOneValue") {
+    StaticJsonDocument<JSON_ARRAY_SIZE(1)> doc;
+    char input[] = "[1]";
+
+    JsonError err = deserializeJson(doc, input);
+
+    REQUIRE(err == JsonError::Ok);
+  }
+
+  SECTION("TooSmallBufferForArrayWithNestedObject") {
+    StaticJsonDocument<JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(0) - 1> doc;
+    char input[] = "[{}]";
+
+    JsonError err = deserializeJson(doc, input);
+
+    REQUIRE(err != JsonError::Ok);
+  }
+
+  SECTION("BufferOfTheRightSizeForArrayWithNestedObject") {
+    StaticJsonDocument<JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(0)> doc;
+    char input[] = "[{}]";
+
+    JsonError err = deserializeJson(doc, input);
+
+    REQUIRE(err == JsonError::Ok);
+  }
+
+  SECTION("CharPtrNull") {
+    StaticJsonDocument<100> doc;
+
+    JsonError err = deserializeJson(doc, static_cast<char*>(0));
+
+    REQUIRE(err != JsonError::Ok);
+  }
+
+  SECTION("ConstCharPtrNull") {
+    StaticJsonDocument<100> doc;
+
+    JsonError err = deserializeJson(doc, static_cast<const char*>(0));
+
+    REQUIRE(err != JsonError::Ok);
+  }
+
+  SECTION("CopyStringNotSpaces") {
+    StaticJsonDocument<100> doc;
+
+    deserializeJson(doc, "  [ \"1234567\" ] ");
+
+    REQUIRE(JSON_ARRAY_SIZE(1) + sizeof("1234567") == doc.memoryUsage());
+    // note: we use a string of 8 bytes to be sure that the StaticJsonBuffer
+    // will not insert bytes to enforce alignement
+  }
+
+  SECTION("Should clear the JsonArray") {
+    StaticJsonDocument<JSON_ARRAY_SIZE(4)> doc;
+    char input[] = "[1,2,3,4]";
+
+    deserializeJson(doc, input);
+    deserializeJson(doc, "[]");
+
+    JsonArray& arr = doc.as<JsonArray>();
+    REQUIRE(arr.size() == 0);
+    REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(0));
+  }
+
+  SECTION("Array") {
+    StaticJsonDocument<JSON_ARRAY_SIZE(2)> doc;
+    char input[] = "[1,2]";
+
+    JsonError err = deserializeJson(doc, input);
+    JsonArray& arr = doc.as<JsonArray>();
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<JsonArray>());
+    REQUIRE(doc.memoryUsage() == JSON_ARRAY_SIZE(2));
+    REQUIRE(arr[0] == 1);
+    REQUIRE(arr[1] == 2);
+  }
+}

test/JsonDeserializer/deserializeJsonObject.cpp

@@ -5,40 +5,55 @@
 #include <ArduinoJson.h>
 #include <catch.hpp>
 
-TEST_CASE("deserializeJson(DynamicJsonObject&)") {
-  DynamicJsonObject obj;
+TEST_CASE("deserialize JSON object") {
+  DynamicJsonDocument doc;
 
   SECTION("An empty object") {
-    JsonError err = deserializeJson(obj, "{}");
+    JsonError err = deserializeJson(doc, "{}");
+    JsonObject& obj = doc.as<JsonObject>();
+
     REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<JsonObject>());
     REQUIRE(obj.size() == 0);
   }
 
   SECTION("Quotes") {
     SECTION("Double quotes") {
-      JsonError err = deserializeJson(obj, "{\"key\":\"value\"}");
+      JsonError err = deserializeJson(doc, "{\"key\":\"value\"}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 1);
       REQUIRE(obj["key"] == "value");
     }
 
     SECTION("Single quotes") {
-      JsonError err = deserializeJson(obj, "{'key':'value'}");
+      JsonError err = deserializeJson(doc, "{'key':'value'}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 1);
       REQUIRE(obj["key"] == "value");
     }
 
     SECTION("No quotes") {
-      JsonError err = deserializeJson(obj, "{key:value}");
+      JsonError err = deserializeJson(doc, "{key:value}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 1);
       REQUIRE(obj["key"] == "value");
     }
 
     SECTION("No quotes, allow underscore in key") {
-      JsonError err = deserializeJson(obj, "{_k_e_y_:42}");
+      JsonError err = deserializeJson(doc, "{_k_e_y_:42}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 1);
       REQUIRE(obj["_k_e_y_"] == 42);
     }
@@ -46,37 +61,52 @@ TEST_CASE("deserializeJson(DynamicJsonObject&)") {
 
   SECTION("Spaces") {
     SECTION("Before the key") {
-      JsonError err = deserializeJson(obj, "{ \"key\":\"value\"}");
+      JsonError err = deserializeJson(doc, "{ \"key\":\"value\"}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 1);
       REQUIRE(obj["key"] == "value");
     }
 
     SECTION("After the key") {
-      JsonError err = deserializeJson(obj, "{\"key\" :\"value\"}");
+      JsonError err = deserializeJson(doc, "{\"key\" :\"value\"}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 1);
       REQUIRE(obj["key"] == "value");
     }
 
     SECTION("Before the value") {
-      JsonError err = deserializeJson(obj, "{\"key\": \"value\"}");
+      JsonError err = deserializeJson(doc, "{\"key\": \"value\"}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 1);
       REQUIRE(obj["key"] == "value");
     }
 
     SECTION("After the value") {
-      JsonError err = deserializeJson(obj, "{\"key\":\"value\" }");
+      JsonError err = deserializeJson(doc, "{\"key\":\"value\" }");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 1);
       REQUIRE(obj["key"] == "value");
     }
 
     SECTION("Before the colon") {
       JsonError err =
-          deserializeJson(obj, "{\"key1\":\"value1\" ,\"key2\":\"value2\"}");
+          deserializeJson(doc, "{\"key1\":\"value1\" ,\"key2\":\"value2\"}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 2);
       REQUIRE(obj["key1"] == "value1");
       REQUIRE(obj["key2"] == "value2");
@@ -84,8 +114,11 @@ TEST_CASE("deserializeJson(DynamicJsonObject&)") {
 
     SECTION("After the colon") {
       JsonError err =
-          deserializeJson(obj, "{\"key1\":\"value1\" ,\"key2\":\"value2\"}");
+          deserializeJson(doc, "{\"key1\":\"value1\" ,\"key2\":\"value2\"}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 2);
       REQUIRE(obj["key1"] == "value1");
       REQUIRE(obj["key2"] == "value2");
@@ -95,53 +128,69 @@ TEST_CASE("deserializeJson(DynamicJsonObject&)") {
   SECTION("Values types") {
     SECTION("String") {
       JsonError err =
-          deserializeJson(obj, "{\"key1\":\"value1\",\"key2\":\"value2\"}");
+          deserializeJson(doc, "{\"key1\":\"value1\",\"key2\":\"value2\"}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 2);
       REQUIRE(obj["key1"] == "value1");
       REQUIRE(obj["key2"] == "value2");
     }
 
     SECTION("Integer") {
-      JsonError err = deserializeJson(obj, "{\"key1\":42,\"key2\":-42}");
+      JsonError err = deserializeJson(doc, "{\"key1\":42,\"key2\":-42}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 2);
       REQUIRE(obj["key1"] == 42);
       REQUIRE(obj["key2"] == -42);
     }
 
     SECTION("Double") {
-      JsonError err = deserializeJson(obj, "{\"key1\":12.345,\"key2\":-7E89}");
+      JsonError err = deserializeJson(doc, "{\"key1\":12.345,\"key2\":-7E89}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 2);
       REQUIRE(obj["key1"] == 12.345);
       REQUIRE(obj["key2"] == -7E89);
     }
 
     SECTION("Booleans") {
-      JsonError err = deserializeJson(obj, "{\"key1\":true,\"key2\":false}");
+      JsonError err = deserializeJson(doc, "{\"key1\":true,\"key2\":false}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 2);
       REQUIRE(obj["key1"] == true);
       REQUIRE(obj["key2"] == false);
     }
 
     SECTION("Null") {
-      JsonError err = deserializeJson(obj, "{\"key1\":null,\"key2\":null}");
+      JsonError err = deserializeJson(doc, "{\"key1\":null,\"key2\":null}");
+      JsonObject& obj = doc.as<JsonObject>();
+
       REQUIRE(err == JsonError::Ok);
+      REQUIRE(doc.is<JsonObject>());
       REQUIRE(obj.size() == 2);
-      REQUIRE(obj["key1"].as<char *>() == 0);
-      REQUIRE(obj["key2"].as<char *>() == 0);
+      REQUIRE(obj["key1"].as<char*>() == 0);
+      REQUIRE(obj["key2"].as<char*>() == 0);
     }
 
     SECTION("Array") {
       char jsonString[] = " { \"ab\" : [ 1 , 2 ] , \"cd\" : [ 3 , 4 ] } ";
 
-      JsonError err = deserializeJson(obj, jsonString);
+      JsonError err = deserializeJson(doc, jsonString);
+      JsonObject& obj = doc.as<JsonObject>();
 
-      JsonArray &array1 = obj["ab"];
-      const JsonArray &array2 = obj["cd"];
-      JsonArray &array3 = obj["ef"];
+      JsonArray& array1 = obj["ab"];
+      const JsonArray& array2 = obj["cd"];
+      JsonArray& array3 = obj["ef"];
 
       REQUIRE(err == JsonError::Ok);
 
@@ -165,40 +214,49 @@ TEST_CASE("deserializeJson(DynamicJsonObject&)") {
 
   SECTION("Misc") {
     SECTION("The opening brace is missing") {
-      JsonError err = deserializeJson(obj, "}");
-      REQUIRE(err == JsonError::OpeningBraceExpected);
+      JsonError err = deserializeJson(doc, "}");
+
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("The closing brace is missing") {
-      JsonError err = deserializeJson(obj, "{\"hello\":\"world\"");
-      REQUIRE(err == JsonError::ClosingBraceExpected);
+      JsonError err = deserializeJson(doc, "{\"hello\":\"world\"");
+
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("A quoted key without value") {
-      JsonError err = deserializeJson(obj, "{\"key\"}");
-      REQUIRE(err == JsonError::ColonExpected);
+      JsonError err = deserializeJson(doc, "{\"key\"}");
+
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("A non-quoted key without value") {
-      JsonError err = deserializeJson(obj, "{key}");
-      REQUIRE(err == JsonError::ColonExpected);
+      JsonError err = deserializeJson(doc, "{key}");
+
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("A dangling comma") {
-      JsonError err = deserializeJson(obj, "{\"key1\":\"value1\",}");
-      REQUIRE(err == JsonError::ColonExpected);
+      JsonError err = deserializeJson(doc, "{\"key1\":\"value1\",}");
+
+      REQUIRE(err == JsonError::InvalidInput);
     }
 
     SECTION("null as a key") {
-      JsonError err = deserializeJson(obj, "{null:\"value\"}");
+      JsonError err = deserializeJson(doc, "{null:\"value\"}");
+
       REQUIRE(err == JsonError::Ok);
     }
   }
 
   SECTION("Should clear the JsonObject") {
-    deserializeJson(obj, "{\"hello\":\"world\"}");
-    deserializeJson(obj, "{}");
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    deserializeJson(doc, "{}");
+    JsonObject& obj = doc.as<JsonObject>();
+
+    REQUIRE(doc.is<JsonObject>());
     REQUIRE(obj.size() == 0);
-    REQUIRE(obj.memoryUsage() == JSON_OBJECT_SIZE(0));
+    REQUIRE(doc.memoryUsage() == JSON_OBJECT_SIZE(0));
   }
 }

test/JsonDeserializer/deserializeJsonObjectStatic.cpp

@@ -5,76 +5,76 @@
 #include <ArduinoJson.h>
 #include <catch.hpp>
 
-TEST_CASE("deserializeJson(StaticJsonObject&)") {
+TEST_CASE("deserialize JSON object with StaticJsonDocument") {
   SECTION("BufferOfTheRightSizeForEmptyObject") {
-    StaticJsonObject<JSON_OBJECT_SIZE(0)> obj;
+    StaticJsonDocument<JSON_OBJECT_SIZE(0)> doc;
     char input[] = "{}";
 
-    JsonError err = deserializeJson(obj, input);
+    JsonError err = deserializeJson(doc, input);
 
     REQUIRE(err == JsonError::Ok);
   }
 
   SECTION("TooSmallBufferForObjectWithOneValue") {
-    StaticJsonObject<JSON_OBJECT_SIZE(1) - 1> obj;
+    StaticJsonDocument<JSON_OBJECT_SIZE(1) - 1> doc;
     char input[] = "{\"a\":1}";
 
-    JsonError err = deserializeJson(obj, input);
+    JsonError err = deserializeJson(doc, input);
 
     REQUIRE(err != JsonError::Ok);
   }
 
   SECTION("BufferOfTheRightSizeForObjectWithOneValue") {
-    StaticJsonObject<JSON_OBJECT_SIZE(1)> obj;
+    StaticJsonDocument<JSON_OBJECT_SIZE(1)> doc;
     char input[] = "{\"a\":1}";
 
-    JsonError err = deserializeJson(obj, input);
+    JsonError err = deserializeJson(doc, input);
 
     REQUIRE(err == JsonError::Ok);
   }
 
   SECTION("TooSmallBufferForObjectWithNestedObject") {
-    StaticJsonObject<JSON_OBJECT_SIZE(1) + JSON_ARRAY_SIZE(0) - 1> obj;
+    StaticJsonDocument<JSON_OBJECT_SIZE(1) + JSON_ARRAY_SIZE(0) - 1> doc;
     char input[] = "{\"a\":[]}";
 
-    JsonError err = deserializeJson(obj, input);
+    JsonError err = deserializeJson(doc, input);
 
     REQUIRE(err != JsonError::Ok);
   }
 
   SECTION("BufferOfTheRightSizeForObjectWithNestedObject") {
-    StaticJsonObject<JSON_OBJECT_SIZE(1) + JSON_ARRAY_SIZE(0)> obj;
+    StaticJsonDocument<JSON_OBJECT_SIZE(1) + JSON_ARRAY_SIZE(0)> doc;
     char input[] = "{\"a\":[]}";
 
-    JsonError err = deserializeJson(obj, input);
+    JsonError err = deserializeJson(doc, input);
 
     REQUIRE(err == JsonError::Ok);
   }
 
   SECTION("CharPtrNull") {
-    StaticJsonObject<100> obj;
+    StaticJsonDocument<100> doc;
 
-    JsonError err = deserializeJson(obj, static_cast<char*>(0));
+    JsonError err = deserializeJson(doc, static_cast<char*>(0));
 
     REQUIRE(err != JsonError::Ok);
   }
 
   SECTION("ConstCharPtrNull") {
-    StaticJsonObject<100> obj;
+    StaticJsonDocument<100> doc;
 
-    JsonError err = deserializeJson(obj, static_cast<const char*>(0));
+    JsonError err = deserializeJson(doc, static_cast<const char*>(0));
 
     REQUIRE(err != JsonError::Ok);
   }
 
   SECTION("Should clear the JsonObject") {
-    StaticJsonObject<JSON_OBJECT_SIZE(1)> obj;
+    StaticJsonDocument<JSON_OBJECT_SIZE(1)> doc;
     char input[] = "{\"hello\":\"world\"}";
 
-    deserializeJson(obj, input);
-    deserializeJson(obj, "{}");
+    deserializeJson(doc, input);
+    deserializeJson(doc, "{}");
 
-    REQUIRE(obj.size() == 0);
-    REQUIRE(obj.memoryUsage() == JSON_OBJECT_SIZE(0));
+    REQUIRE(doc.as<JsonObject>().size() == 0);
+    REQUIRE(doc.memoryUsage() == JSON_OBJECT_SIZE(0));
   }
 }

test/JsonDeserializer/deserializeJsonValue.cpp

@@ -0,0 +1,103 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+using namespace Catch::Matchers;
+
+TEST_CASE("deserializeJson(DynamicJsonDocument&)") {
+  DynamicJsonDocument doc;
+
+  SECTION("EmptyObject") {
+    JsonError err = deserializeJson(doc, "{}");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<JsonObject>());
+  }
+
+  SECTION("EmptyArray") {
+    JsonError err = deserializeJson(doc, "[]");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<JsonArray>());
+  }
+
+  SECTION("Integer") {
+    JsonError err = deserializeJson(doc, "-42");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<int>());
+    REQUIRE_FALSE(doc.is<bool>());
+    REQUIRE(doc.as<int>() == -42);
+  }
+
+  SECTION("Double") {
+    JsonError err = deserializeJson(doc, "-1.23e+4");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE_FALSE(doc.is<int>());
+    REQUIRE(doc.is<double>());
+    REQUIRE(doc.as<double>() == Approx(-1.23e+4));
+  }
+
+  SECTION("Double quoted string") {
+    JsonError err = deserializeJson(doc, "\"hello world\"");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<char*>());
+    REQUIRE_THAT(doc.as<char*>(), Equals("hello world"));
+  }
+
+  SECTION("Single quoted string") {
+    JsonError err = deserializeJson(doc, "\'hello world\'");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<char*>());
+    REQUIRE_THAT(doc.as<char*>(), Equals("hello world"));
+  }
+
+  SECTION("True") {
+    JsonError err = deserializeJson(doc, "true");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<bool>());
+    REQUIRE(doc.as<bool>() == true);
+  }
+
+  SECTION("False") {
+    JsonError err = deserializeJson(doc, "false");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<bool>());
+    REQUIRE(doc.as<bool>() == false);
+  }
+
+  SECTION("OpenBrace") {
+    JsonError err = deserializeJson(doc, "{");
+
+    REQUIRE(err != JsonError::Ok);
+  }
+
+  SECTION("Incomplete string") {
+    JsonError err = deserializeJson(doc, "\"hello");
+
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(doc.is<char*>());
+    REQUIRE_THAT(doc.as<char*>(), Equals("hello"));
+  }
+
+  SECTION("Unterminated escape sequence") {
+    JsonError err = deserializeJson(doc, "\"\\\0\"");
+    REQUIRE(err == JsonError::InvalidInput);
+  }
+
+  SECTION("Should clear the JsonVariant") {
+    deserializeJson(doc, "[1,2,3]");
+    deserializeJson(doc, "{}");
+
+    REQUIRE(doc.is<JsonObject>());
+    REQUIRE(doc.memoryUsage() == JSON_OBJECT_SIZE(0));
+  }
+}

test/JsonDeserializer/nestingLimit.cpp

@@ -0,0 +1,32 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+#define SHOULD_WORK(expression) REQUIRE(JsonError::Ok == expression);
+#define SHOULD_FAIL(expression) REQUIRE(JsonError::TooDeep == expression);
+
+TEST_CASE("JsonDeserializer nestingLimit") {
+  DynamicJsonDocument doc;
+
+  SECTION("limit = 0") {
+    SHOULD_WORK(deserializeJson(doc, "\"toto\"", 0));
+    SHOULD_WORK(deserializeJson(doc, "123", 0));
+    SHOULD_WORK(deserializeJson(doc, "true", 0));
+    SHOULD_FAIL(deserializeJson(doc, "[]", 0));
+    SHOULD_FAIL(deserializeJson(doc, "{}", 0));
+    SHOULD_FAIL(deserializeJson(doc, "[\"toto\"]", 0));
+    SHOULD_FAIL(deserializeJson(doc, "{\"toto\":1}", 0));
+  }
+
+  SECTION("limit = 1") {
+    SHOULD_WORK(deserializeJson(doc, "[\"toto\"]", 1));
+    SHOULD_WORK(deserializeJson(doc, "{\"toto\":1}", 1));
+    SHOULD_FAIL(deserializeJson(doc, "{\"toto\":{}}", 1));
+    SHOULD_FAIL(deserializeJson(doc, "{\"toto\":[]}", 1));
+    SHOULD_FAIL(deserializeJson(doc, "[[\"toto\"]]", 1));
+    SHOULD_FAIL(deserializeJson(doc, "[{\"toto\":1}]", 1));
+  }
+}

test/JsonObject/basics.cpp

@@ -6,13 +6,10 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonObject basics") {
-  DynamicJsonObject _object;
-
-  SECTION("InitialSizeIsZero") {
-    REQUIRE(0 == _object.size());
-  }
+  DynamicJsonDocument doc;
+  JsonObject& obj = doc.to<JsonObject>();
 
   SECTION("SuccessIsTrue") {
-    REQUIRE(_object.success());
+    REQUIRE(obj.success());
   }
 }

test/JsonObject/containsKey.cpp

@@ -6,24 +6,25 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonObject::containsKey()") {
-  DynamicJsonObject _object;
+  DynamicJsonDocument doc;
+  JsonObject& obj = doc.to<JsonObject>();
 
   SECTION("ContainsKeyReturnsFalseForNonExistingKey") {
-    _object.set("hello", 42);
+    obj.set("hello", 42);
 
-    REQUIRE(false == _object.containsKey("world"));
+    REQUIRE(false == obj.containsKey("world"));
   }
 
   SECTION("ContainsKeyReturnsTrueForDefinedValue") {
-    _object.set("hello", 42);
+    obj.set("hello", 42);
 
-    REQUIRE(true == _object.containsKey("hello"));
+    REQUIRE(true == obj.containsKey("hello"));
   }
 
   SECTION("ContainsKeyReturnsFalseAfterRemove") {
-    _object.set("hello", 42);
-    _object.remove("hello");
+    obj.set("hello", 42);
+    obj.remove("hello");
 
-    REQUIRE(false == _object.containsKey("hello"));
+    REQUIRE(false == obj.containsKey("hello"));
   }
 }

test/JsonObject/get.cpp

@@ -8,7 +8,8 @@
 using namespace Catch::Matchers;
 
 TEST_CASE("JsonObject::get()") {
-  DynamicJsonObject obj;
+  DynamicJsonDocument doc;
+  JsonObject& obj = doc.to<JsonObject>();
 
   SECTION("GetConstCharPointer_GivenStringLiteral") {
     obj.set("hello", "world");

test/JsonObject/iterator.cpp

@@ -8,7 +8,8 @@
 using namespace Catch::Matchers;
 
 TEST_CASE("JsonObject::begin()/end()") {
-  StaticJsonObject<JSON_OBJECT_SIZE(2)> obj;
+  StaticJsonDocument<JSON_OBJECT_SIZE(2)> doc;
+  JsonObject& obj = doc.to<JsonObject>();
   obj["ab"] = 12;
   obj["cd"] = 34;
 

test/JsonObject/remove.cpp

@@ -7,7 +7,8 @@
 #include <string>
 
 TEST_CASE("JsonObject::remove()") {
-  DynamicJsonObject obj;
+  DynamicJsonDocument doc;
+  JsonObject& obj = doc.to<JsonObject>();
 
   SECTION("SizeDecreased_WhenValuesAreRemoved") {
     obj["hello"] = 1;
@@ -26,7 +27,9 @@ TEST_CASE("JsonObject::remove()") {
   }
 
   SECTION("RemoveByIterator") {
-    deserializeJson(obj, "{\"a\":0,\"b\":1,\"c\":2}");
+    obj["a"] = 0;
+    obj["b"] = 1;
+    obj["c"] = 2;
 
     for (JsonObject::iterator it = obj.begin(); it != obj.end(); ++it) {
       if (it->value == 1) obj.remove(it);

test/JsonObject/set.cpp

@@ -7,129 +7,136 @@
 #include <string>
 
 TEST_CASE("JsonObject::set()") {
-  DynamicJsonObject _object;
+  DynamicJsonDocument doc;
+  JsonObject& obj = doc.to<JsonObject>();
 
   SECTION("int") {
-    _object.set("hello", 123);
+    obj.set("hello", 123);
 
-    REQUIRE(123 == _object["hello"].as<int>());
-    REQUIRE(_object["hello"].is<int>());
-    REQUIRE_FALSE(_object["hello"].is<bool>());
+    REQUIRE(123 == obj["hello"].as<int>());
+    REQUIRE(obj["hello"].is<int>());
+    REQUIRE_FALSE(obj["hello"].is<bool>());
   }
 
   SECTION("double") {
-    _object.set("hello", 123.45);
+    obj.set("hello", 123.45);
 
-    REQUIRE(123.45 == _object["hello"].as<double>());
-    REQUIRE(_object["hello"].is<double>());
-    REQUIRE_FALSE(_object["hello"].is<bool>());
+    REQUIRE(123.45 == obj["hello"].as<double>());
+    REQUIRE(obj["hello"].is<double>());
+    REQUIRE_FALSE(obj["hello"].is<bool>());
   }
 
   SECTION("bool") {
-    _object.set("hello", true);
+    obj.set("hello", true);
 
-    REQUIRE(_object["hello"].as<bool>());
-    REQUIRE(_object["hello"].is<bool>());
-    REQUIRE_FALSE(_object["hello"].is<long>());
+    REQUIRE(obj["hello"].as<bool>());
+    REQUIRE(obj["hello"].is<bool>());
+    REQUIRE_FALSE(obj["hello"].is<long>());
   }
 
   SECTION("const char*") {
-    _object.set("hello", "h3110");
+    obj.set("hello", "h3110");
 
-    REQUIRE(std::string("h3110") == _object["hello"].as<const char*>());
-    REQUIRE(_object["hello"].is<const char*>());
-    REQUIRE_FALSE(_object["hello"].is<long>());
+    REQUIRE(std::string("h3110") == obj["hello"].as<const char*>());
+    REQUIRE(obj["hello"].is<const char*>());
+    REQUIRE_FALSE(obj["hello"].is<long>());
   }
 
   SECTION("nested array") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
 
-    _object.set("hello", arr);
+    obj.set("hello", arr);
 
-    REQUIRE(&arr == &_object["hello"].as<JsonArray>());
-    REQUIRE(_object["hello"].is<JsonArray&>());
-    REQUIRE_FALSE(_object["hello"].is<JsonObject&>());
+    REQUIRE(&arr == &obj["hello"].as<JsonArray>());
+    REQUIRE(obj["hello"].is<JsonArray&>());
+    REQUIRE_FALSE(obj["hello"].is<JsonObject&>());
   }
 
   SECTION("nested object") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc2;
+    JsonObject& obj2 = doc2.to<JsonObject>();
 
-    _object.set("hello", obj);
+    obj.set("hello", obj2);
 
-    REQUIRE(&obj == &_object["hello"].as<JsonObject>());
-    REQUIRE(_object["hello"].is<JsonObject&>());
-    REQUIRE_FALSE(_object["hello"].is<JsonArray&>());
+    REQUIRE(&obj2 == &obj["hello"].as<JsonObject>());
+    REQUIRE(obj["hello"].is<JsonObject&>());
+    REQUIRE_FALSE(obj["hello"].is<JsonArray&>());
   }
 
   SECTION("array subscript") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
     arr.add(42);
 
-    _object.set("a", arr[0]);
+    obj.set("a", arr[0]);
 
-    REQUIRE(42 == _object["a"]);
+    REQUIRE(42 == obj["a"]);
   }
 
   SECTION("object subscript") {
-    DynamicJsonObject obj;
-    obj.set("x", 42);
+    DynamicJsonDocument doc2;
+    JsonObject& obj2 = doc2.to<JsonObject>();
+    obj2.set("x", 42);
 
-    _object.set("a", obj["x"]);
+    obj.set("a", obj2["x"]);
 
-    REQUIRE(42 == _object["a"]);
+    REQUIRE(42 == obj["a"]);
   }
 
   SECTION("returns true when allocation succeeds") {
-    StaticJsonObject<JSON_OBJECT_SIZE(1) + 15> obj;
+    StaticJsonDocument<JSON_OBJECT_SIZE(1) + 15> doc2;
+    JsonObject& obj2 = doc2.to<JsonObject>();
 
-    REQUIRE(true == obj.set(std::string("hello"), std::string("world")));
+    REQUIRE(true == obj2.set(std::string("hello"), std::string("world")));
   }
 
   SECTION("returns false when allocation fails") {
-    StaticJsonObject<JSON_OBJECT_SIZE(1) + 10> obj;
+    StaticJsonDocument<JSON_OBJECT_SIZE(1) + 10> doc2;
+    JsonObject& obj2 = doc2.to<JsonObject>();
 
-    REQUIRE(false == obj.set(std::string("hello"), std::string("world")));
+    REQUIRE(false == obj2.set(std::string("hello"), std::string("world")));
   }
 
   SECTION("should not duplicate const char*") {
-    _object.set("hello", "world");
+    obj.set("hello", "world");
     const size_t expectedSize = JSON_OBJECT_SIZE(1);
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char* value") {
-    _object.set("hello", const_cast<char*>("world"));
+    obj.set("hello", const_cast<char*>("world"));
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 6;
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char* key") {
-    _object.set(const_cast<char*>("hello"), "world");
+    obj.set(const_cast<char*>("hello"), "world");
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 6;
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char* key&value") {
-    _object.set(const_cast<char*>("hello"), const_cast<char*>("world"));
+    obj.set(const_cast<char*>("hello"), const_cast<char*>("world"));
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 12;
-    REQUIRE(expectedSize <= _object.memoryUsage());
+    REQUIRE(expectedSize <= doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string value") {
-    _object.set("hello", std::string("world"));
+    obj.set("hello", std::string("world"));
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 6;
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string key") {
-    _object.set(std::string("hello"), "world");
+    obj.set(std::string("hello"), "world");
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 6;
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string key&value") {
-    _object.set(std::string("hello"), std::string("world"));
+    obj.set(std::string("hello"), std::string("world"));
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 12;
-    REQUIRE(expectedSize <= _object.memoryUsage());
+    REQUIRE(expectedSize <= doc.memoryUsage());
   }
 }

test/JsonObject/size.cpp

@@ -7,16 +7,21 @@
 #include <string>
 
 TEST_CASE("JsonObject::size()") {
-  DynamicJsonObject _object;
+  DynamicJsonDocument doc;
+  JsonObject& obj = doc.to<JsonObject>();
+
+  SECTION("initial size is zero") {
+    REQUIRE(0 == obj.size());
+  }
 
   SECTION("increases when values are added") {
-    _object.set("hello", 42);
-    REQUIRE(1 == _object.size());
+    obj.set("hello", 42);
+    REQUIRE(1 == obj.size());
   }
 
   SECTION("doesn't increase when the smae key is added twice") {
-    _object["hello"] = 1;
-    _object["hello"] = 2;
-    REQUIRE(1 == _object.size());
+    obj["hello"] = 1;
+    obj["hello"] = 2;
+    REQUIRE(1 == obj.size());
   }
 }

test/JsonObject/subscript.cpp

@@ -6,146 +6,150 @@
 #include <catch.hpp>
 
 TEST_CASE("JsonObject::operator[]") {
-  DynamicJsonObject _object;
+  DynamicJsonDocument doc;
+  JsonObject& obj = doc.to<JsonObject>();
 
   SECTION("int") {
-    _object["hello"] = 123;
+    obj["hello"] = 123;
 
-    REQUIRE(123 == _object["hello"].as<int>());
-    REQUIRE(true == _object["hello"].is<int>());
-    REQUIRE(false == _object["hello"].is<bool>());
+    REQUIRE(123 == obj["hello"].as<int>());
+    REQUIRE(true == obj["hello"].is<int>());
+    REQUIRE(false == obj["hello"].is<bool>());
   }
 
   SECTION("volatile int") {  // issue #415
     volatile int i = 123;
-    _object["hello"] = i;
+    obj["hello"] = i;
 
-    REQUIRE(123 == _object["hello"].as<int>());
-    REQUIRE(true == _object["hello"].is<int>());
-    REQUIRE(false == _object["hello"].is<bool>());
+    REQUIRE(123 == obj["hello"].as<int>());
+    REQUIRE(true == obj["hello"].is<int>());
+    REQUIRE(false == obj["hello"].is<bool>());
   }
 
   SECTION("double") {
-    _object["hello"] = 123.45;
+    obj["hello"] = 123.45;
 
-    REQUIRE(true == _object["hello"].is<double>());
-    REQUIRE(false == _object["hello"].is<long>());
-    REQUIRE(123.45 == _object["hello"].as<double>());
+    REQUIRE(true == obj["hello"].is<double>());
+    REQUIRE(false == obj["hello"].is<long>());
+    REQUIRE(123.45 == obj["hello"].as<double>());
   }
 
   SECTION("bool") {
-    _object["hello"] = true;
+    obj["hello"] = true;
 
-    REQUIRE(true == _object["hello"].is<bool>());
-    REQUIRE(false == _object["hello"].is<long>());
-    REQUIRE(true == _object["hello"].as<bool>());
+    REQUIRE(true == obj["hello"].is<bool>());
+    REQUIRE(false == obj["hello"].is<long>());
+    REQUIRE(true == obj["hello"].as<bool>());
   }
 
   SECTION("const char*") {
-    _object["hello"] = "h3110";
+    obj["hello"] = "h3110";
 
-    REQUIRE(true == _object["hello"].is<const char*>());
-    REQUIRE(false == _object["hello"].is<long>());
-    REQUIRE(std::string("h3110") == _object["hello"].as<const char*>());
-    REQUIRE(std::string("h3110") ==
-            _object["hello"].as<char*>());  // <- short hand
+    REQUIRE(true == obj["hello"].is<const char*>());
+    REQUIRE(false == obj["hello"].is<long>());
+    REQUIRE(std::string("h3110") == obj["hello"].as<const char*>());
+    REQUIRE(std::string("h3110") == obj["hello"].as<char*>());  // <- short hand
   }
 
   SECTION("array") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
 
-    _object["hello"] = arr;
+    obj["hello"] = arr;
 
-    REQUIRE(&arr == &_object["hello"].as<JsonArray&>());
-    REQUIRE(&arr == &_object["hello"].as<JsonArray>());  // <- short hand
-    REQUIRE(&arr == &_object["hello"].as<const JsonArray&>());
-    REQUIRE(&arr == &_object["hello"].as<const JsonArray>());  // <- short hand
-    REQUIRE(true == _object["hello"].is<JsonArray&>());
-    REQUIRE(true == _object["hello"].is<JsonArray>());
-    REQUIRE(true == _object["hello"].is<const JsonArray&>());
-    REQUIRE(true == _object["hello"].is<const JsonArray>());
-    REQUIRE(false == _object["hello"].is<JsonObject&>());
+    REQUIRE(&arr == &obj["hello"].as<JsonArray&>());
+    REQUIRE(&arr == &obj["hello"].as<JsonArray>());  // <- short hand
+    REQUIRE(&arr == &obj["hello"].as<const JsonArray&>());
+    REQUIRE(&arr == &obj["hello"].as<const JsonArray>());  // <- short hand
+    REQUIRE(true == obj["hello"].is<JsonArray&>());
+    REQUIRE(true == obj["hello"].is<JsonArray>());
+    REQUIRE(true == obj["hello"].is<const JsonArray&>());
+    REQUIRE(true == obj["hello"].is<const JsonArray>());
+    REQUIRE(false == obj["hello"].is<JsonObject&>());
   }
 
   SECTION("object") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc2;
+    JsonObject& obj2 = doc2.to<JsonObject>();
 
-    _object["hello"] = obj;
+    obj["hello"] = obj2;
 
-    REQUIRE(&obj == &_object["hello"].as<JsonObject&>());
-    REQUIRE(&obj == &_object["hello"].as<JsonObject>());  // <- short hand
-    REQUIRE(&obj == &_object["hello"].as<const JsonObject&>());
-    REQUIRE(&obj == &_object["hello"].as<const JsonObject>());  // <- short hand
-    REQUIRE(true == _object["hello"].is<JsonObject&>());
-    REQUIRE(true == _object["hello"].is<JsonObject>());
-    REQUIRE(true == _object["hello"].is<const JsonObject&>());
-    REQUIRE(true == _object["hello"].is<const JsonObject>());
-    REQUIRE(false == _object["hello"].is<JsonArray&>());
+    REQUIRE(&obj2 == &obj["hello"].as<JsonObject&>());
+    REQUIRE(&obj2 == &obj["hello"].as<JsonObject>());  // <- short hand
+    REQUIRE(&obj2 == &obj["hello"].as<const JsonObject&>());
+    REQUIRE(&obj2 == &obj["hello"].as<const JsonObject>());  // <- short hand
+    REQUIRE(true == obj["hello"].is<JsonObject&>());
+    REQUIRE(true == obj["hello"].is<JsonObject>());
+    REQUIRE(true == obj["hello"].is<const JsonObject&>());
+    REQUIRE(true == obj["hello"].is<const JsonObject>());
+    REQUIRE(false == obj["hello"].is<JsonArray&>());
   }
 
   SECTION("array subscript") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
     arr.add(42);
 
-    _object["a"] = arr[0];
+    obj["a"] = arr[0];
 
-    REQUIRE(42 == _object["a"]);
+    REQUIRE(42 == obj["a"]);
   }
 
   SECTION("object subscript") {
-    DynamicJsonObject obj;
-    obj.set("x", 42);
+    DynamicJsonDocument doc2;
+    JsonObject& obj2 = doc2.to<JsonObject>();
+    obj2.set("x", 42);
 
-    _object["a"] = obj["x"];
+    obj["a"] = obj2["x"];
 
-    REQUIRE(42 == _object["a"]);
+    REQUIRE(42 == obj["a"]);
   }
 
   SECTION("char key[]") {  // issue #423
     char key[] = "hello";
-    _object[key] = 42;
-    REQUIRE(42 == _object[key]);
+    obj[key] = 42;
+    REQUIRE(42 == obj[key]);
   }
 
   SECTION("should not duplicate const char*") {
-    _object["hello"] = "world";
+    obj["hello"] = "world";
     const size_t expectedSize = JSON_OBJECT_SIZE(1);
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char* value") {
-    _object["hello"] = const_cast<char*>("world");
+    obj["hello"] = const_cast<char*>("world");
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 6;
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char* key") {
-    _object[const_cast<char*>("hello")] = "world";
+    obj[const_cast<char*>("hello")] = "world";
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 6;
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate char* key&value") {
-    _object[const_cast<char*>("hello")] = const_cast<char*>("world");
+    obj[const_cast<char*>("hello")] = const_cast<char*>("world");
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 12;
-    REQUIRE(expectedSize <= _object.memoryUsage());
+    REQUIRE(expectedSize <= doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string value") {
-    _object["hello"] = std::string("world");
+    obj["hello"] = std::string("world");
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 6;
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string key") {
-    _object[std::string("hello")] = "world";
+    obj[std::string("hello")] = "world";
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 6;
-    REQUIRE(expectedSize == _object.memoryUsage());
+    REQUIRE(expectedSize == doc.memoryUsage());
   }
 
   SECTION("should duplicate std::string key&value") {
-    _object[std::string("hello")] = std::string("world");
+    obj[std::string("hello")] = std::string("world");
     const size_t expectedSize = JSON_OBJECT_SIZE(1) + 12;
-    REQUIRE(expectedSize <= _object.memoryUsage());
+    REQUIRE(expectedSize <= doc.memoryUsage());
   }
 }

test/JsonParser/CMakeLists.txt

@@ -1,17 +0,0 @@
-# ArduinoJson - arduinojson.org
-# Copyright Benoit Blanchon 2014-2018
-# MIT License
-
-add_executable(JsonParserTests
-	DynamicJsonArray.cpp
-	DynamicJsonObject.cpp
-	DynamicJsonVariant.cpp
-	JsonError.cpp
-	nestingLimit.cpp
-	StaticJsonArray.cpp
-	StaticJsonObject.cpp
-	StaticJsonVariant.cpp
-)
-
-target_link_libraries(JsonParserTests catch)
-add_test(JsonParser JsonParserTests)

test/JsonParser/DynamicJsonVariant.cpp

@@ -1,98 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#include <ArduinoJson.h>
-#include <catch.hpp>
-
-using namespace Catch::Matchers;
-
-TEST_CASE("deserializeJson(DynamicJsonVariant&)") {
-  DynamicJsonVariant variant;
-
-  SECTION("EmptyObject") {
-    JsonError err = deserializeJson(variant, "{}");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<JsonObject>());
-  }
-
-  SECTION("EmptyArray") {
-    JsonError err = deserializeJson(variant, "[]");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<JsonArray>());
-  }
-
-  SECTION("Integer") {
-    JsonError err = deserializeJson(variant, "-42");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<int>());
-    REQUIRE_FALSE(variant.is<bool>());
-    REQUIRE(variant == -42);
-  }
-
-  SECTION("Double") {
-    JsonError err = deserializeJson(variant, "-1.23e+4");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE_FALSE(variant.is<int>());
-    REQUIRE(variant.is<double>());
-    REQUIRE(variant.as<double>() == Approx(-1.23e+4));
-  }
-
-  SECTION("Double quoted string") {
-    JsonError err = deserializeJson(variant, "\"hello world\"");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<char*>());
-    REQUIRE_THAT(variant.as<char*>(), Equals("hello world"));
-  }
-
-  SECTION("Single quoted string") {
-    JsonError err = deserializeJson(variant, "\'hello world\'");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<char*>());
-    REQUIRE_THAT(variant.as<char*>(), Equals("hello world"));
-  }
-
-  SECTION("True") {
-    JsonError err = deserializeJson(variant, "true");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<bool>());
-    REQUIRE(variant == true);
-  }
-
-  SECTION("False") {
-    JsonError err = deserializeJson(variant, "false");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<bool>());
-    REQUIRE(variant == false);
-  }
-
-  SECTION("OpenBrace") {
-    JsonError err = deserializeJson(variant, "{");
-
-    REQUIRE(err != JsonError::Ok);
-  }
-
-  SECTION("Incomplete string") {
-    JsonError err = deserializeJson(variant, "\"hello");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<char*>());
-    REQUIRE_THAT(variant.as<char*>(), Equals("hello"));
-  }
-
-  SECTION("Should clear the JsonVariant") {
-    deserializeJson(variant, "[1,2,3]");
-    deserializeJson(variant, "{}");
-
-    REQUIRE(variant.is<JsonObject>());
-    REQUIRE(variant.memoryUsage() == JSON_OBJECT_SIZE(0));
-  }
-}

test/JsonParser/StaticJsonArray.cpp

@@ -1,90 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#include <ArduinoJson.h>
-#include <catch.hpp>
-
-TEST_CASE("deserializeJson(StaticJsonArray&)") {
-  SECTION("BufferOfTheRightSizeForEmptyArray") {
-    StaticJsonArray<JSON_ARRAY_SIZE(0)> arr;
-    char input[] = "[]";
-
-    JsonError err = deserializeJson(arr, input);
-
-    REQUIRE(err == JsonError::Ok);
-  }
-
-  SECTION("TooSmallBufferForArrayWithOneValue") {
-    StaticJsonArray<JSON_ARRAY_SIZE(1) - 1> arr;
-    char input[] = "[1]";
-
-    JsonError err = deserializeJson(arr, input);
-
-    REQUIRE(err != JsonError::Ok);
-  }
-
-  SECTION("BufferOfTheRightSizeForArrayWithOneValue") {
-    StaticJsonArray<JSON_ARRAY_SIZE(1)> arr;
-    char input[] = "[1]";
-
-    JsonError err = deserializeJson(arr, input);
-
-    REQUIRE(err == JsonError::Ok);
-  }
-
-  SECTION("TooSmallBufferForArrayWithNestedObject") {
-    StaticJsonArray<JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(0) - 1> arr;
-    char input[] = "[{}]";
-
-    JsonError err = deserializeJson(arr, input);
-
-    REQUIRE(err != JsonError::Ok);
-  }
-
-  SECTION("BufferOfTheRightSizeForArrayWithNestedObject") {
-    StaticJsonArray<JSON_ARRAY_SIZE(1) + JSON_OBJECT_SIZE(0)> arr;
-    char input[] = "[{}]";
-
-    JsonError err = deserializeJson(arr, input);
-
-    REQUIRE(err == JsonError::Ok);
-  }
-
-  SECTION("CharPtrNull") {
-    StaticJsonArray<100> arr;
-
-    JsonError err = deserializeJson(arr, static_cast<char*>(0));
-
-    REQUIRE(err != JsonError::Ok);
-  }
-
-  SECTION("ConstCharPtrNull") {
-    StaticJsonArray<100> arr;
-
-    JsonError err = deserializeJson(arr, static_cast<const char*>(0));
-
-    REQUIRE(err != JsonError::Ok);
-  }
-
-  SECTION("CopyStringNotSpaces") {
-    StaticJsonArray<100> arr;
-
-    deserializeJson(arr, "  [ \"1234567\" ] ");
-
-    REQUIRE(JSON_ARRAY_SIZE(1) + sizeof("1234567") == arr.memoryUsage());
-    // note: we use a string of 8 bytes to be sure that the StaticJsonBuffer
-    // will not insert bytes to enforce alignement
-  }
-
-  SECTION("Should clear the JsonArray") {
-    StaticJsonArray<JSON_ARRAY_SIZE(4)> arr;
-    char input[] = "[1,2,3,4]";
-
-    deserializeJson(arr, input);
-    deserializeJson(arr, "[]");
-
-    REQUIRE(arr.size() == 0);
-    REQUIRE(arr.memoryUsage() == JSON_ARRAY_SIZE(0));
-  }
-}

test/JsonParser/StaticJsonVariant.cpp

@@ -1,35 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#include <ArduinoJson.h>
-#include <catch.hpp>
-
-using namespace Catch::Matchers;
-
-TEST_CASE("deserializeJson(StaticJsonVariant&)") {
-  SECTION("Array") {
-    StaticJsonVariant<JSON_ARRAY_SIZE(2)> variant;
-
-    char input[] = "[1,2]";
-    JsonError err = deserializeJson(variant, input);
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<JsonArray>());
-    REQUIRE(variant[0] == 1);
-    REQUIRE(variant[1] == 2);
-    REQUIRE(variant.memoryUsage() == JSON_ARRAY_SIZE(2));
-  }
-
-  SECTION("Should clear the JsonVariant") {
-    StaticJsonVariant<JSON_ARRAY_SIZE(2)> variant;
-    char input[] = "[1,2]";
-    deserializeJson(variant, input);
-
-    JsonError err = deserializeJson(variant, "{}");
-
-    REQUIRE(err == JsonError::Ok);
-    REQUIRE(variant.is<JsonObject>());
-    REQUIRE(variant.memoryUsage() == JSON_OBJECT_SIZE(0));
-  }
-}

test/JsonParser/nestingLimit.cpp

@@ -1,70 +0,0 @@
-// ArduinoJson - arduinojson.org
-// Copyright Benoit Blanchon 2014-2018
-// MIT License
-
-#include <ArduinoJson.h>
-#include <catch.hpp>
-
-#define SHOULD_WORK(expression) REQUIRE(JsonError::Ok == expression);
-#define SHOULD_FAIL(expression) REQUIRE(JsonError::TooDeep == expression);
-
-TEST_CASE("JsonParser nestingLimit") {
-  SECTION("deserializeJson(JsonArray&)") {
-    DynamicJsonArray arr;
-
-    SECTION("limit = 0") {
-      SHOULD_FAIL(deserializeJson(arr, "[]", 0));
-    }
-
-    SECTION("limit = 1") {
-      SHOULD_WORK(deserializeJson(arr, "[]", 1));
-      SHOULD_FAIL(deserializeJson(arr, "[[]]", 1));
-    }
-
-    SECTION("limit = 2") {
-      SHOULD_WORK(deserializeJson(arr, "[[]]", 2));
-      SHOULD_FAIL(deserializeJson(arr, "[[[]]]", 2));
-    }
-  }
-
-  SECTION("deserializeJson(JsonObject&)") {
-    DynamicJsonObject obj;
-
-    SECTION("limit = 0") {
-      SHOULD_FAIL(deserializeJson(obj, "{}", 0));
-    }
-
-    SECTION("limit = 1") {
-      SHOULD_WORK(deserializeJson(obj, "{\"key\":42}", 1));
-      SHOULD_FAIL(deserializeJson(obj, "{\"key\":{\"key\":42}}", 1));
-    }
-
-    SECTION("limit = 2") {
-      SHOULD_WORK(deserializeJson(obj, "{\"key\":{\"key\":42}}", 2));
-      SHOULD_FAIL(deserializeJson(obj, "{\"key\":{\"key\":{\"key\":42}}}", 2));
-    }
-  }
-
-  SECTION("deserializeJson(JsonVariant&)") {
-    DynamicJsonVariant var;
-
-    SECTION("limit = 0") {
-      SHOULD_WORK(deserializeJson(var, "\"toto\"", 0));
-      SHOULD_WORK(deserializeJson(var, "123", 0));
-      SHOULD_WORK(deserializeJson(var, "true", 0));
-      SHOULD_FAIL(deserializeJson(var, "[]", 0));
-      SHOULD_FAIL(deserializeJson(var, "{}", 0));
-      SHOULD_FAIL(deserializeJson(var, "[\"toto\"]", 0));
-      SHOULD_FAIL(deserializeJson(var, "{\"toto\":1}", 0));
-    }
-
-    SECTION("limit = 1") {
-      SHOULD_WORK(deserializeJson(var, "[\"toto\"]", 1));
-      SHOULD_WORK(deserializeJson(var, "{\"toto\":1}", 1));
-      SHOULD_FAIL(deserializeJson(var, "{\"toto\":{}}", 1));
-      SHOULD_FAIL(deserializeJson(var, "{\"toto\":[]}", 1));
-      SHOULD_FAIL(deserializeJson(var, "[[\"toto\"]]", 1));
-      SHOULD_FAIL(deserializeJson(var, "[{\"toto\":1}]", 1));
-    }
-  }
-}

test/JsonSerializer/JsonArray.cpp

@@ -15,7 +15,8 @@ static void check(JsonArray &array, std::string expected) {
 }
 
 TEST_CASE("serializeJson(JsonArray)") {
-  StaticJsonArray<JSON_ARRAY_SIZE(2)> array;
+  StaticJsonDocument<JSON_ARRAY_SIZE(2)> doc;
+  JsonArray &array = doc.to<JsonArray>();
 
   SECTION("Empty") {
     check(array, "[]");

test/JsonSerializer/JsonArrayPretty.cpp

@@ -15,7 +15,8 @@ static void check(JsonArray& array, std::string expected) {
 }
 
 TEST_CASE("serializeJsonPretty(JsonArray)") {
-  DynamicJsonArray array;
+  DynamicJsonDocument doc;
+  JsonArray& array = doc.to<JsonArray>();
 
   SECTION("Empty") {
     check(array, "[]");

test/JsonSerializer/JsonObject.cpp

@@ -17,7 +17,8 @@ void check(const JsonObject &obj, const std::string &expected) {
 }
 
 TEST_CASE("serializeJson(JsonObject)") {
-  DynamicJsonObject obj;
+  DynamicJsonDocument doc;
+  JsonObject &obj = doc.to<JsonObject>();
 
   SECTION("EmptyObject") {
     check(obj, "{}");
@@ -92,22 +93,23 @@ TEST_CASE("serializeJson(JsonObject)") {
   }
 
   SECTION("ThreeNestedArrays") {
-    DynamicJsonArray b, c;
+    DynamicJsonDocument b;
+    DynamicJsonDocument c;
 
     obj.createNestedArray("a");
-    obj["b"] = b;
-    obj.set("c", c);
+    obj["b"] = b.to<JsonArray>();
+    obj.set("c", c.to<JsonArray>());
 
     check(obj, "{\"a\":[],\"b\":[],\"c\":[]}");
   }
 
   SECTION("ThreeNestedObjects") {
-    DynamicJsonObject b;
-    DynamicJsonObject c;
+    DynamicJsonDocument b;
+    DynamicJsonDocument c;
 
     obj.createNestedObject("a");
-    obj["b"] = b;
-    obj.set("c", c);
+    obj["b"] = b.to<JsonObject>();
+    obj.set("c", c.to<JsonObject>());
 
     check(obj, "{\"a\":{},\"b\":{},\"c\":{}}");
   }

test/JsonSerializer/JsonObjectPretty.cpp

@@ -18,7 +18,8 @@ void check(const JsonObject &obj, const std::string expected) {
 }
 
 TEST_CASE("serializeJsonPretty(JsonObject)") {
-  DynamicJsonObject obj;
+  DynamicJsonDocument doc;
+  JsonObject &obj = doc.to<JsonObject>();
 
   SECTION("EmptyObject") {
     check(obj, "{}");

test/JsonVariant/as.cpp

@@ -192,7 +192,8 @@ TEST_CASE("JsonVariant::as()") {
   }
 
   SECTION("ObjectAsString") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
 
     obj["key"] = "value";
 
@@ -201,7 +202,8 @@ TEST_CASE("JsonVariant::as()") {
   }
 
   SECTION("ArrayAsString") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add(4);
     arr.add(2);
 
@@ -210,7 +212,8 @@ TEST_CASE("JsonVariant::as()") {
   }
 
   SECTION("ArrayAsJsonArray") {
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
 
     JsonVariant variant = arr;
     REQUIRE(&arr == &variant.as<JsonArray&>());
@@ -218,7 +221,8 @@ TEST_CASE("JsonVariant::as()") {
   }
 
   SECTION("ObjectAsJsonObject") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
 
     JsonVariant variant = obj;
     REQUIRE(&obj == &variant.as<JsonObject&>());

test/JsonVariant/compare.cpp

@@ -97,8 +97,9 @@ TEST_CASE("JsonVariant comparisons") {
   }
 
   SECTION("StringLiteral") {
-    DynamicJsonVariant variant;
-    deserializeJson(variant, "\"hello\"");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "\"hello\"");
+    JsonVariant variant = doc.as<JsonVariant>();
 
     REQUIRE(variant == "hello");
     REQUIRE_FALSE(variant != "hello");
@@ -114,8 +115,7 @@ TEST_CASE("JsonVariant comparisons") {
   }
 
   SECTION("String") {
-    DynamicJsonVariant variant;
-    deserializeJson(variant, "\"hello\"");
+    JsonVariant variant = "hello";
 
     REQUIRE(variant == std::string("hello"));
     REQUIRE_FALSE(variant != std::string("hello"));
@@ -179,7 +179,10 @@ TEST_CASE("JsonVariant comparisons") {
   }
 
   SECTION("ArrayInVariant") {
-    DynamicJsonArray array1, array2;
+    DynamicJsonDocument doc1;
+    JsonArray& array1 = doc1.to<JsonArray>();
+    DynamicJsonDocument doc2;
+    JsonArray& array2 = doc2.to<JsonArray>();
 
     JsonVariant variant1 = array1;
     JsonVariant variant2 = array1;
@@ -193,8 +196,10 @@ TEST_CASE("JsonVariant comparisons") {
   }
 
   SECTION("ObjectInVariant") {
-    DynamicJsonObject obj1;
-    DynamicJsonObject obj2;
+    DynamicJsonDocument doc1;
+    JsonObject& obj1 = doc1.to<JsonObject>();
+    DynamicJsonDocument doc2;
+    JsonObject& obj2 = doc2.to<JsonObject>();
 
     JsonVariant variant1 = obj1;
     JsonVariant variant2 = obj1;
@@ -208,8 +213,11 @@ TEST_CASE("JsonVariant comparisons") {
   }
 
   SECTION("VariantsOfDifferentTypes") {
-    DynamicJsonObject obj;
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc1;
+    JsonObject& obj = doc1.to<JsonObject>();
+
+    DynamicJsonDocument doc2;
+    JsonArray& arr = doc2.to<JsonArray>();
     JsonVariant variants[] = {
         true, 42, 666.667, "hello", arr, obj,
     };

test/JsonVariant/copy.cpp

@@ -38,11 +38,12 @@ TEST_CASE("JsonVariant copy") {
     _variant2 = _variant1;
     _variant1 = "world";
 
-    REQUIRE(std::string("hello") == _variant2.as<const char *>());
+    REQUIRE(std::string("hello") == _variant2.as<const char*>());
   }
 
   SECTION("ObjectsAreCopiedByReference") {
-    DynamicJsonObject object;
+    DynamicJsonDocument doc;
+    JsonObject& object = doc.to<JsonObject>();
 
     _variant1 = object;
 
@@ -52,7 +53,8 @@ TEST_CASE("JsonVariant copy") {
   }
 
   SECTION("ArraysAreCopiedByReference") {
-    DynamicJsonArray array;
+    DynamicJsonDocument doc;
+    JsonArray& array = doc.to<JsonArray>();
 
     _variant1 = array;
 

test/JsonVariant/is.cpp

@@ -69,10 +69,9 @@ void checkIsString(JsonVariant var) {
 }
 
 TEST_CASE("JsonVariant::is()") {
-  DynamicJsonBuffer jsonBuffer;
-
   SECTION("JsonArray") {
-    DynamicJsonArray array;
+    DynamicJsonDocument doc;
+    JsonArray& array = doc.to<JsonArray>();
     checkIsArray(array);
   }
 

test/JsonVariant/set_get.cpp

@@ -122,7 +122,8 @@ TEST_CASE("JsonVariant set()/get()") {
 #endif
 
   SECTION("CanStoreObject") {
-    DynamicJsonObject object;
+    DynamicJsonDocument doc;
+    JsonObject &object = doc.to<JsonObject>();
 
     checkReference<JsonObject>(object);
   }

test/JsonVariant/subscript.cpp

@@ -7,7 +7,8 @@
 
 TEST_CASE("JsonVariant::operator[]") {
   SECTION("Array") {
-    DynamicJsonArray array;
+    DynamicJsonDocument doc;
+    JsonArray& array = doc.to<JsonArray>();
     array.add("element at index 0");
     array.add("element at index 1");
 
@@ -24,7 +25,8 @@ TEST_CASE("JsonVariant::operator[]") {
   }
 
   SECTION("Object") {
-    DynamicJsonObject object;
+    DynamicJsonDocument doc;
+    JsonObject& object = doc.to<JsonObject>();
     object["a"] = "element at key \"a\"";
     object["b"] = "element at key \"b\"";
 
@@ -52,7 +54,8 @@ TEST_CASE("JsonVariant::operator[]") {
   }
 
   SECTION("ObjectSetValue") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     JsonVariant var = obj;
     var["hello"] = "world";
     REQUIRE(1 == var.size());
@@ -60,16 +63,19 @@ TEST_CASE("JsonVariant::operator[]") {
   }
 
   SECTION("ArraySetValue") {
-    DynamicJsonVariant var;
-    deserializeJson(var, "[\"hello\"]");
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
+    arr.add("hello");
+    JsonVariant var = arr;
     var[0] = "world";
     REQUIRE(1 == var.size());
     REQUIRE(std::string("world") == var[0]);
   }
 
   SECTION("NestedObjectSetValue") {
-    DynamicJsonVariant var;
-    deserializeJson(var, "[{}]");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "[{}]");
+    JsonVariant var = doc.as<JsonVariant>();
     var[0]["hello"] = "world";
     REQUIRE(1 == var.size());
     REQUIRE(1 == var[0].size());

test/JsonVariant/success.cpp

@@ -17,14 +17,16 @@ TEST_CASE("JsonVariant::success()") {
   }
 
   SECTION("ReturnsTrue_WhenEmptyArray") {
-    DynamicJsonArray array;
+    DynamicJsonDocument doc;
+    JsonArray& array = doc.to<JsonArray>();
 
     JsonVariant variant = array;
     REQUIRE(true == variant.success());
   }
 
   SECTION("ReturnsTrue_WhenEmptyObject") {
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
 
     JsonVariant variant = obj;
     REQUIRE(true == variant.success());

test/Misc/std_stream.cpp

@@ -23,7 +23,8 @@ TEST_CASE("std::stream") {
 
   SECTION("JsonObject") {
     std::ostringstream os;
-    DynamicJsonObject object;
+    DynamicJsonDocument doc;
+    JsonObject& object = doc.to<JsonObject>();
     object["key"] = "value";
     os << object;
     REQUIRE("{\"key\":\"value\"}" == os.str());
@@ -31,7 +32,8 @@ TEST_CASE("std::stream") {
 
   SECTION("JsonObjectSubscript") {
     std::ostringstream os;
-    DynamicJsonObject object;
+    DynamicJsonDocument doc;
+    JsonObject& object = doc.to<JsonObject>();
     object["key"] = "value";
     os << object["key"];
     REQUIRE("\"value\"" == os.str());
@@ -39,7 +41,8 @@ TEST_CASE("std::stream") {
 
   SECTION("JsonArray") {
     std::ostringstream os;
-    DynamicJsonArray array;
+    DynamicJsonDocument doc;
+    JsonArray& array = doc.to<JsonArray>();
     array.add("value");
     os << array;
     REQUIRE("[\"value\"]" == os.str());
@@ -47,7 +50,8 @@ TEST_CASE("std::stream") {
 
   SECTION("JsonArraySubscript") {
     std::ostringstream os;
-    DynamicJsonArray array;
+    DynamicJsonDocument doc;
+    JsonArray& array = doc.to<JsonArray>();
     array.add("value");
     os << array[0];
     REQUIRE("\"value\"" == os.str());
@@ -55,8 +59,9 @@ TEST_CASE("std::stream") {
 
   SECTION("ParseArray") {
     std::istringstream json(" [ 42 /* comment */ ] ");
-    DynamicJsonArray arr;
-    JsonError err = deserializeJson(arr, json);
+    DynamicJsonDocument doc;
+    JsonError err = deserializeJson(doc, json);
+    JsonArray& arr = doc.as<JsonArray>();
 
     REQUIRE(err == JsonError::Ok);
     REQUIRE(1 == arr.size());
@@ -65,8 +70,9 @@ TEST_CASE("std::stream") {
 
   SECTION("ParseObject") {
     std::istringstream json(" { hello : world // comment\n }");
-    DynamicJsonObject obj;
-    JsonError err = deserializeJson(obj, json);
+    DynamicJsonDocument doc;
+    JsonError err = deserializeJson(doc, json);
+    JsonObject& obj = doc.as<JsonObject>();
 
     REQUIRE(err == JsonError::Ok);
     REQUIRE(1 == obj.size());
@@ -75,8 +81,8 @@ TEST_CASE("std::stream") {
 
   SECTION("ShouldNotReadPastTheEnd") {
     std::istringstream json("{}123");
-    DynamicJsonObject obj;
-    deserializeJson(obj, json);
+    DynamicJsonDocument doc;
+    deserializeJson(doc, json);
     REQUIRE('1' == json.get());
   }
 }

test/Misc/std_string.cpp

@@ -11,20 +11,21 @@ static void eraseString(std::string &str) {
 }
 
 TEST_CASE("std::string") {
-  DynamicJsonBuffer jb;
+  SECTION("deserializeJson duplicates content") {
+    std::string json("[\"hello\"]");
+
+    DynamicJsonDocument doc;
+    JsonError err = deserializeJson(doc, json);
+    eraseString(json);
+
+    JsonArray &array = doc.as<JsonArray>();
+    REQUIRE(err == JsonError::Ok);
+    REQUIRE(std::string("hello") == array[0]);
+  }
 
   SECTION("JsonArray") {
-    DynamicJsonArray array;
-
-    SECTION("deserializeJson") {
-      std::string json("[\"hello\"]");
-
-      JsonError err = deserializeJson(array, json);
-      eraseString(json);
-
-      REQUIRE(err == JsonError::Ok);
-      REQUIRE(std::string("hello") == array[0]);
-    }
+    DynamicJsonDocument doc;
+    JsonArray &array = doc.to<JsonArray>();
 
     SECTION("add()") {
       std::string value("hello");
@@ -67,168 +68,190 @@ TEST_CASE("std::string") {
   }
 
   SECTION("JsonObject") {
-    DynamicJsonObject object;
+    DynamicJsonDocument doc;
 
     SECTION("deserializeJson()") {
       std::string json("{\"hello\":\"world\"}");
 
-      JsonError err = deserializeJson(object, json);
+      JsonError err = deserializeJson(doc, json);
+      JsonObject &obj = doc.as<JsonObject>();
       eraseString(json);
 
       REQUIRE(err == JsonError::Ok);
-      REQUIRE(std::string("world") == object["hello"]);
+      REQUIRE(std::string("world") == obj["hello"]);
     }
 
     SECTION("operator[]") {
       char json[] = "{\"key\":\"value\"}";
 
-      deserializeJson(object, json);
+      deserializeJson(doc, json);
+      JsonObject &obj = doc.as<JsonObject>();
 
-      REQUIRE(std::string("value") == object[std::string("key")]);
+      REQUIRE(std::string("value") == obj[std::string("key")]);
     }
 
     SECTION("operator[] const") {
       char json[] = "{\"key\":\"value\"}";
 
-      deserializeJson(object, json);
-      const JsonObject &obj = object;
+      deserializeJson(doc, json);
+      JsonObject &obj = doc.as<JsonObject>();
 
       REQUIRE(std::string("value") == obj[std::string("key")]);
     }
 
     SECTION("set(key)") {
+      JsonObject &obj = doc.to<JsonObject>();
       std::string key("hello");
-      object.set(key, "world");
+      obj.set(key, "world");
       eraseString(key);
-      REQUIRE(std::string("world") == object["hello"]);
+      REQUIRE(std::string("world") == obj["hello"]);
     }
 
     SECTION("set(value)") {
+      JsonObject &obj = doc.to<JsonObject>();
       std::string value("world");
-      object.set("hello", value);
+      obj.set("hello", value);
       eraseString(value);
-      REQUIRE(std::string("world") == object["hello"]);
+      REQUIRE(std::string("world") == obj["hello"]);
     }
 
     SECTION("set(key,value)") {
+      JsonObject &obj = doc.to<JsonObject>();
       std::string key("hello");
       std::string value("world");
-      object.set(key, value);
+      obj.set(key, value);
       eraseString(key);
       eraseString(value);
-      REQUIRE(std::string("world") == object["hello"]);
+      REQUIRE(std::string("world") == obj["hello"]);
     }
 
     SECTION("set(JsonArraySubscript)") {
-      DynamicJsonArray arr;
+      JsonObject &obj = doc.to<JsonObject>();
+      DynamicJsonDocument doc2;
+      JsonArray &arr = doc2.to<JsonArray>();
       arr.add("world");
 
-      object.set(std::string("hello"), arr[0]);
+      obj.set(std::string("hello"), arr[0]);
 
-      REQUIRE(std::string("world") == object["hello"]);
+      REQUIRE(std::string("world") == obj["hello"]);
     }
 
     SECTION("set(JsonObjectSubscript)") {
-      DynamicJsonObject obj;
-      obj.set("x", "world");
+      JsonObject &obj = doc.to<JsonObject>();
+      DynamicJsonDocument doc2;
+      JsonObject &obj2 = doc2.to<JsonObject>();
+      obj2.set("x", "world");
 
-      object.set(std::string("hello"), obj["x"]);
+      obj.set(std::string("hello"), obj2["x"]);
 
-      REQUIRE(std::string("world") == object["hello"]);
+      REQUIRE(std::string("world") == obj["hello"]);
     }
 
     SECTION("get<T>()") {
       char json[] = "{\"key\":\"value\"}";
-      deserializeJson(object, json);
+      deserializeJson(doc, json);
+      JsonObject &obj = doc.as<JsonObject>();
 
       REQUIRE(std::string("value") ==
-              object.get<const char *>(std::string("key")));
+              obj.get<const char *>(std::string("key")));
     }
 
     SECTION("is<T>()") {
       char json[] = "{\"key\":\"value\"}";
-      deserializeJson(object, json);
-      REQUIRE(true == object.is<const char *>(std::string("key")));
+      deserializeJson(doc, json);
+      JsonObject &obj = doc.as<JsonObject>();
+
+      REQUIRE(true == obj.is<const char *>(std::string("key")));
     }
 
     SECTION("createNestedObject()") {
+      JsonObject &obj = doc.to<JsonObject>();
       std::string key = "key";
       char json[64];
-      object.createNestedObject(key);
+      obj.createNestedObject(key);
       eraseString(key);
-      serializeJson(object, json, sizeof(json));
+      serializeJson(doc, json, sizeof(json));
       REQUIRE(std::string("{\"key\":{}}") == json);
     }
 
     SECTION("createNestedArray()") {
+      JsonObject &obj = doc.to<JsonObject>();
       std::string key = "key";
       char json[64];
-      object.createNestedArray(key);
+      obj.createNestedArray(key);
       eraseString(key);
-      serializeJson(object, json, sizeof(json));
+      serializeJson(doc, json, sizeof(json));
       REQUIRE(std::string("{\"key\":[]}") == json);
     }
 
     SECTION("containsKey()") {
       char json[] = "{\"key\":\"value\"}";
-      deserializeJson(object, json);
-      REQUIRE(true == object.containsKey(std::string("key")));
+      deserializeJson(doc, json);
+      JsonObject &obj = doc.as<JsonObject>();
+      REQUIRE(true == obj.containsKey(std::string("key")));
     }
 
     SECTION("remove()") {
-      char json[] = "{\"key\":\"value\"}";
-      deserializeJson(object, json);
-      REQUIRE(1 == object.size());
-      object.remove(std::string("key"));
-      REQUIRE(0 == object.size());
+      JsonObject &obj = doc.to<JsonObject>();
+      obj["key"] = "value";
+
+      obj.remove(std::string("key"));
+
+      REQUIRE(0 == obj.size());
     }
 
     SECTION("operator[], set key") {
       std::string key("hello");
-      object[key] = "world";
+      JsonObject &obj = doc.to<JsonObject>();
+      obj[key] = "world";
       eraseString(key);
-      REQUIRE(std::string("world") == object["hello"]);
+      REQUIRE(std::string("world") == obj["hello"]);
     }
 
     SECTION("operator[], set value") {
       std::string value("world");
-      object["hello"] = value;
+      JsonObject &obj = doc.to<JsonObject>();
+      obj["hello"] = value;
       eraseString(value);
-      REQUIRE(std::string("world") == object["hello"]);
+      REQUIRE(std::string("world") == obj["hello"]);
     }
 
     SECTION("serializeJson()") {
-      object["key"] = "value";
+      JsonObject &obj = doc.to<JsonObject>();
+      obj["key"] = "value";
       std::string json;
-      serializeJson(object, json);
+      serializeJson(doc, json);
       REQUIRE(std::string("{\"key\":\"value\"}") == json);
     }
 
     SECTION("serializeJsonPretty()") {
-      object["key"] = "value";
+      JsonObject &obj = doc.to<JsonObject>();
+      obj["key"] = "value";
       std::string json;
-      serializeJsonPretty(object, json);
+      serializeJsonPretty(doc, json);
       REQUIRE(std::string("{\r\n  \"key\": \"value\"\r\n}") == json);
     }
 
     SECTION("memoryUsage() increases when adding a new key") {
       std::string key1("hello"), key2("world");
+      JsonObject &obj = doc.to<JsonObject>();
 
-      object[key1] = 1;
-      size_t sizeBefore = object.memoryUsage();
-      object[key2] = 2;
-      size_t sizeAfter = object.memoryUsage();
+      obj[key1] = 1;
+      size_t sizeBefore = doc.memoryUsage();
+      obj[key2] = 2;
+      size_t sizeAfter = doc.memoryUsage();
 
       REQUIRE(sizeAfter - sizeBefore >= key2.size());
     }
 
     SECTION("memoryUsage() remains when adding the same key") {
       std::string key("hello");
+      JsonObject &obj = doc.to<JsonObject>();
 
-      object[key] = 1;
-      size_t sizeBefore = object.memoryUsage();
-      object[key] = 2;
-      size_t sizeAfter = object.memoryUsage();
+      obj[key] = 1;
+      size_t sizeBefore = doc.memoryUsage();
+      obj[key] = 2;
+      size_t sizeAfter = doc.memoryUsage();
 
       REQUIRE(sizeBefore == sizeAfter);
     }

test/Misc/unsigned_char.cpp

@@ -13,8 +13,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonBuffer::parseArray") {
     unsigned char json[] = "[42]";
 
-    StaticJsonArray<JSON_ARRAY_SIZE(1)> arr;
-    JsonError err = deserializeJson(arr, json);
+    StaticJsonDocument<JSON_ARRAY_SIZE(1)> doc;
+    JsonError err = deserializeJson(doc, json);
 
     REQUIRE(err == JsonError::Ok);
   }
@@ -22,8 +22,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonBuffer::parseObject") {
     unsigned char json[] = "{\"a\":42}";
 
-    StaticJsonObject<JSON_OBJECT_SIZE(1)> obj;
-    JsonError err = deserializeJson(obj, json);
+    StaticJsonDocument<JSON_OBJECT_SIZE(1)> doc;
+    JsonError err = deserializeJson(doc, json);
 
     REQUIRE(err == JsonError::Ok);
   }
@@ -49,8 +49,9 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonVariant::operator[]") {
     unsigned char key[] = "hello";
 
-    DynamicJsonVariant variant;
-    deserializeJson(variant, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    JsonVariant variant = doc.as<JsonVariant>();
 
     REQUIRE(std::string("world") == variant[key]);
   }
@@ -60,8 +61,9 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonVariant::operator[] const") {
     unsigned char key[] = "hello";
 
-    DynamicJsonVariant variant;
-    deserializeJson(variant, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    const JsonVariant variant = doc.as<JsonVariant>();
 
     REQUIRE(std::string("world") == variant[key]);
   }
@@ -70,7 +72,7 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonVariant::operator==") {
     unsigned char comparand[] = "hello";
 
-    DynamicJsonVariant variant;
+    JsonVariant variant;
     variant = "hello";
 
     REQUIRE(comparand == variant);
@@ -82,7 +84,7 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonVariant::operator!=") {
     unsigned char comparand[] = "hello";
 
-    DynamicJsonVariant variant;
+    JsonVariant variant;
     variant = "world";
 
     REQUIRE(comparand != variant);
@@ -95,7 +97,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObject::operator[]") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj[key] = "world";
 
     REQUIRE(std::string("world") == obj["hello"]);
@@ -105,7 +108,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObjectSubscript::operator=") {  // issue #416
     unsigned char value[] = "world";
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj["hello"] = value;
 
     REQUIRE(std::string("world") == obj["hello"]);
@@ -114,7 +118,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObjectSubscript::set()") {
     unsigned char value[] = "world";
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj["hello"].set(value);
 
     REQUIRE(std::string("world") == obj["hello"]);
@@ -124,9 +129,10 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObject::operator[] const") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
 
+    JsonObject& obj = doc.as<JsonObject>();
     REQUIRE(std::string("world") == obj[key]);
   }
 #endif
@@ -134,16 +140,17 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObject::get()") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":\"world\"}");
-
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    JsonObject& obj = doc.as<JsonObject>();
     REQUIRE(std::string("world") == obj.get<char*>(key));
   }
 
   SECTION("JsonObject::set() key") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.set(key, "world");
 
     REQUIRE(std::string("world") == obj["hello"]);
@@ -152,7 +159,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObject::set() value") {
     unsigned char value[] = "world";
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.set("hello", value);
 
     REQUIRE(std::string("world") == obj["hello"]);
@@ -161,7 +169,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObject::set key&value") {
     unsigned char key[] = "world";
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.set(key, key);
 
     REQUIRE(std::string("world") == obj["world"]);
@@ -170,17 +179,18 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObject::containsKey()") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":\"world\"}");
-
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    JsonObject& obj = doc.as<JsonObject>();
     REQUIRE(true == obj.containsKey(key));
   }
 
   SECTION("JsonObject::remove()") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    JsonObject& obj = doc.as<JsonObject>();
     obj.remove(key);
 
     REQUIRE(0 == obj.size());
@@ -189,8 +199,9 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObject::is()") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":42}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":42}");
+    JsonObject& obj = doc.as<JsonObject>();
 
     REQUIRE(true == obj.is<int>(key));
   }
@@ -198,21 +209,24 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonObject::createNestedArray()") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.createNestedArray(key);
   }
 
   SECTION("JsonObject::createNestedObject()") {
     unsigned char key[] = "hello";
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.createNestedObject(key);
   }
 
   SECTION("JsonArray::add()") {
     unsigned char value[] = "world";
 
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add(value);
 
     REQUIRE(std::string("world") == arr[0]);
@@ -221,7 +235,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonArray::set()") {
     unsigned char value[] = "world";
 
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add("hello");
     arr.set(0, value);
 
@@ -231,7 +246,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonArraySubscript::set()") {
     unsigned char value[] = "world";
 
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add("hello");
     arr[0].set(value);
 
@@ -241,7 +257,8 @@ TEST_CASE("unsigned char string") {
   SECTION("JsonArraySubscript::operator=") {
     unsigned char value[] = "world";
 
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add("hello");
     arr[0] = value;
 

test/Misc/vla.cpp

@@ -22,8 +22,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "[42]");
 
-    StaticJsonArray<JSON_ARRAY_SIZE(1)> arr;
-    JsonError err = deserializeJson(arr, vla);
+    StaticJsonDocument<JSON_ARRAY_SIZE(1)> doc;
+    JsonError err = deserializeJson(doc, vla);
 
     REQUIRE(err == JsonError::Ok);
   }
@@ -33,10 +33,10 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "{\"a\":42}");
 
-    StaticJsonObject<JSON_OBJECT_SIZE(1)> obj;
-    deserializeJson(obj, vla);
+    StaticJsonDocument<JSON_OBJECT_SIZE(1)> doc;
+    JsonError error = deserializeJson(doc, vla);
 
-    REQUIRE(true == obj.success());
+    REQUIRE(error == JsonError::Ok);
   }
 
   SECTION("Parse") {
@@ -44,7 +44,7 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "42");
 
-    StaticJsonVariant<> variant;
+    StaticJsonDocument<> variant;
     deserializeJson(variant, vla);
 
     REQUIRE(42 == variant.as<int>());
@@ -77,8 +77,9 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonVariant variant;
-    deserializeJson(variant, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    JsonVariant variant = doc.as<JsonVariant>();
 
     REQUIRE(std::string("world") == variant[vla]);
   }
@@ -90,8 +91,9 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonVariant variant;
-    deserializeJson(variant, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    const JsonVariant variant = doc.as<JsonVariant>();
 
     REQUIRE(std::string("world") == variant[vla]);
   }
@@ -102,7 +104,7 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonVariant variant;
+    JsonVariant variant;
     variant = "hello";
 
     REQUIRE((vla == variant));
@@ -116,7 +118,7 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonVariant variant;
+    JsonVariant variant;
     variant = "world";
 
     REQUIRE((vla != variant));
@@ -131,7 +133,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj[vla] = "world";
 
     REQUIRE(std::string("world") == obj["hello"]);
@@ -143,7 +146,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "world");
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj["hello"] = vla;
 
     REQUIRE(std::string("world") == obj["hello"].as<char*>());
@@ -154,7 +158,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "world");
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj["hello"].set(vla);
 
     REQUIRE(std::string("world") == obj["hello"].as<char*>());
@@ -166,9 +171,10 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
 
+    JsonObject& obj = doc.as<JsonObject>();
     REQUIRE(std::string("world") == obj[vla]);
   }
 #endif
@@ -178,9 +184,10 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
 
+    JsonObject& obj = doc.as<JsonObject>();
     REQUIRE(std::string("world") == obj.get<char*>(vla));
   }
 
@@ -189,7 +196,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.set(vla, "world");
 
     REQUIRE(std::string("world") == obj["hello"]);
@@ -200,7 +208,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "world");
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.set("hello", vla);
 
     REQUIRE(std::string("world") == obj["hello"]);
@@ -211,7 +220,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "world");
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.set(vla, vla);
 
     REQUIRE(std::string("world") == obj["world"]);
@@ -222,9 +232,10 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
 
+    JsonObject& obj = doc.as<JsonObject>();
     REQUIRE(true == obj.containsKey(vla));
   }
 
@@ -233,8 +244,9 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":\"world\"}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+    JsonObject& obj = doc.as<JsonObject>();
     obj.remove(vla);
 
     REQUIRE(0 == obj.size());
@@ -245,8 +257,9 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
-    deserializeJson(obj, "{\"hello\":42}");
+    DynamicJsonDocument doc;
+    deserializeJson(doc, "{\"hello\":42}");
+    JsonObject& obj = doc.as<JsonObject>();
 
     REQUIRE(true == obj.is<int>(vla));
   }
@@ -256,7 +269,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.createNestedArray(vla);
   }
 
@@ -265,7 +279,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "hello");
 
-    DynamicJsonObject obj;
+    DynamicJsonDocument doc;
+    JsonObject& obj = doc.to<JsonObject>();
     obj.createNestedObject(vla);
   }
 
@@ -274,7 +289,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "world");
 
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add(vla);
 
     REQUIRE(std::string("world") == arr[0]);
@@ -285,7 +301,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "world");
 
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add("hello");
     arr.set(0, vla);
 
@@ -297,7 +314,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "world");
 
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add("hello");
     arr[0].set(vla);
 
@@ -309,7 +327,8 @@ TEST_CASE("Variable Length Array") {
     char vla[i];
     strcpy(vla, "world");
 
-    DynamicJsonArray arr;
+    DynamicJsonDocument doc;
+    JsonArray& arr = doc.to<JsonArray>();
     arr.add("hello");
     arr[0] = vla;
 

test/MsgPack/MsgPackError.cpp

@@ -24,8 +24,6 @@ TEST_CASE("MsgPackError") {
     TEST_STRINGIFICATION(Ok);
     TEST_STRINGIFICATION(NotSupported);
     TEST_STRINGIFICATION(NoMemory);
-    TEST_STRINGIFICATION(NotAnArray);
-    TEST_STRINGIFICATION(NotAnObject);
     TEST_STRINGIFICATION(TooDeep);
   }
 
@@ -33,8 +31,12 @@ TEST_CASE("MsgPackError") {
     TEST_BOOLIFICATION(Ok, false);
     TEST_BOOLIFICATION(NotSupported, true);
     TEST_BOOLIFICATION(NoMemory, true);
-    TEST_BOOLIFICATION(NotAnArray, true);
-    TEST_BOOLIFICATION(NotAnObject, true);
     TEST_BOOLIFICATION(TooDeep, true);
   }
+
+  SECTION("ostream") {
+    std::stringstream s;
+    s << MsgPackError::NotSupported;
+    REQUIRE(s.str() == "NotSupported");
+  }
 }

test/MsgPack/deserializationErrors.cpp

@@ -7,7 +7,7 @@
 
 static void check(const char* input, MsgPackError expected,
                   uint8_t nestingLimit = 10) {
-  DynamicJsonVariant variant;
+  DynamicJsonDocument variant;
 
   MsgPackError error = deserializeMsgPack(variant, input, nestingLimit);
 

test/MsgPack/deserializeArray.cpp

@@ -6,21 +6,14 @@
 #include <catch.hpp>
 
 TEST_CASE("deserializeMsgPack(JsonArray&)") {
-  DynamicJsonArray array;
-
-  SECTION("not an array") {
-    const char* input = "\xA0";
-
-    MsgPackError error = deserializeMsgPack(array, input);
-
-    REQUIRE(error == MsgPackError::NotAnArray);
-  }
+  DynamicJsonDocument doc;
 
   SECTION("fixarray") {
     SECTION("empty") {
       const char* input = "\x90";
 
-      MsgPackError error = deserializeMsgPack(array, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonArray& array = doc.as<JsonArray>();
 
       REQUIRE(error == MsgPackError::Ok);
       REQUIRE(array.size() == 0);
@@ -29,7 +22,8 @@ TEST_CASE("deserializeMsgPack(JsonArray&)") {
     SECTION("two integers") {
       const char* input = "\x92\x01\x02";
 
-      MsgPackError error = deserializeMsgPack(array, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonArray& array = doc.as<JsonArray>();
 
       REQUIRE(error == MsgPackError::Ok);
       REQUIRE(array.size() == 2);
@@ -42,7 +36,8 @@ TEST_CASE("deserializeMsgPack(JsonArray&)") {
     SECTION("empty") {
       const char* input = "\xDC\x00\x00";
 
-      MsgPackError error = deserializeMsgPack(array, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonArray& array = doc.as<JsonArray>();
 
       REQUIRE(error == MsgPackError::Ok);
       REQUIRE(array.size() == 0);
@@ -51,7 +46,8 @@ TEST_CASE("deserializeMsgPack(JsonArray&)") {
     SECTION("two strings") {
       const char* input = "\xDC\x00\x02\xA5hello\xA5world";
 
-      MsgPackError error = deserializeMsgPack(array, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonArray& array = doc.as<JsonArray>();
 
       REQUIRE(error == MsgPackError::Ok);
       REQUIRE(array.size() == 2);
@@ -64,7 +60,8 @@ TEST_CASE("deserializeMsgPack(JsonArray&)") {
     SECTION("empty") {
       const char* input = "\xDD\x00\x00\x00\x00";
 
-      MsgPackError error = deserializeMsgPack(array, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonArray& array = doc.as<JsonArray>();
 
       REQUIRE(error == MsgPackError::Ok);
       REQUIRE(array.size() == 0);
@@ -74,7 +71,8 @@ TEST_CASE("deserializeMsgPack(JsonArray&)") {
       const char* input =
           "\xDD\x00\x00\x00\x02\xCA\x00\x00\x00\x00\xCA\x40\x48\xF5\xC3";
 
-      MsgPackError error = deserializeMsgPack(array, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonArray& array = doc.as<JsonArray>();
 
       REQUIRE(error == MsgPackError::Ok);
       REQUIRE(array.size() == 2);

test/MsgPack/deserializeObject.cpp

@@ -5,36 +5,32 @@
 #include <ArduinoJson.h>
 #include <catch.hpp>
 
-TEST_CASE("deserializeMsgPack(JsonObject&)") {
-  DynamicJsonObject object;
-
-  SECTION("not an object") {
-    const char* input = "\xA0";
-
-    MsgPackError error = deserializeMsgPack(object, input);
-
-    REQUIRE(error == MsgPackError::NotAnObject);
-  }
+TEST_CASE("deserialize MsgPack object") {
+  DynamicJsonDocument doc;
 
   SECTION("fixmap") {
     SECTION("empty") {
       const char* input = "\x80";
 
-      MsgPackError error = deserializeMsgPack(object, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonObject& obj = doc.as<JsonObject>();
 
       REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(object.size() == 0);
+      REQUIRE(doc.is<JsonObject>());
+      REQUIRE(obj.size() == 0);
     }
 
     SECTION("two integers") {
       const char* input = "\x82\xA3one\x01\xA3two\x02";
 
-      MsgPackError error = deserializeMsgPack(object, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonObject& obj = doc.as<JsonObject>();
 
       REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(object.size() == 2);
-      REQUIRE(object["one"] == 1);
-      REQUIRE(object["two"] == 2);
+      REQUIRE(doc.is<JsonObject>());
+      REQUIRE(obj.size() == 2);
+      REQUIRE(obj["one"] == 1);
+      REQUIRE(obj["two"] == 2);
     }
   }
 
@@ -42,21 +38,25 @@ TEST_CASE("deserializeMsgPack(JsonObject&)") {
     SECTION("empty") {
       const char* input = "\xDE\x00\x00";
 
-      MsgPackError error = deserializeMsgPack(object, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonObject& obj = doc.as<JsonObject>();
 
       REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(object.size() == 0);
+      REQUIRE(doc.is<JsonObject>());
+      REQUIRE(obj.size() == 0);
     }
 
     SECTION("two strings") {
       const char* input = "\xDE\x00\x02\xA1H\xA5hello\xA1W\xA5world";
 
-      MsgPackError error = deserializeMsgPack(object, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonObject& obj = doc.as<JsonObject>();
 
       REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(object.size() == 2);
-      REQUIRE(object["H"] == "hello");
-      REQUIRE(object["W"] == "world");
+      REQUIRE(doc.is<JsonObject>());
+      REQUIRE(obj.size() == 2);
+      REQUIRE(obj["H"] == "hello");
+      REQUIRE(obj["W"] == "world");
     }
   }
 
@@ -64,10 +64,12 @@ TEST_CASE("deserializeMsgPack(JsonObject&)") {
     SECTION("empty") {
       const char* input = "\xDF\x00\x00\x00\x00";
 
-      MsgPackError error = deserializeMsgPack(object, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonObject& obj = doc.as<JsonObject>();
 
       REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(object.size() == 0);
+      REQUIRE(doc.is<JsonObject>());
+      REQUIRE(obj.size() == 0);
     }
 
     SECTION("two floats") {
@@ -75,12 +77,14 @@ TEST_CASE("deserializeMsgPack(JsonObject&)") {
           "\xDF\x00\x00\x00\x02\xA4zero\xCA\x00\x00\x00\x00\xA2pi\xCA\x40\x48"
           "\xF5\xC3";
 
-      MsgPackError error = deserializeMsgPack(object, input);
+      MsgPackError error = deserializeMsgPack(doc, input);
+      JsonObject& obj = doc.as<JsonObject>();
 
       REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(object.size() == 2);
-      REQUIRE(object["zero"] == 0.0f);
-      REQUIRE(object["pi"] == 3.14f);
+      REQUIRE(doc.is<JsonObject>());
+      REQUIRE(obj.size() == 2);
+      REQUIRE(obj["zero"] == 0.0f);
+      REQUIRE(obj["pi"] == 3.14f);
     }
   }
 }

test/MsgPack/deserializeStaticVariant.cpp

@@ -9,14 +9,14 @@ static const size_t epsilon = sizeof(void*);
 
 template <size_t Capacity>
 static void check(const char* input, MsgPackError expected) {
-  StaticJsonVariant<Capacity> variant;
+  StaticJsonDocument<Capacity> variant;
 
   MsgPackError error = deserializeMsgPack(variant, input);
 
   REQUIRE(error == expected);
 }
 
-TEST_CASE("deserializeMsgPack(StaticJsonVariant&)") {
+TEST_CASE("deserializeMsgPack(StaticJsonDocument&)") {
   SECTION("single values always fit") {
     check<0>("\xc0", MsgPackError::Ok);                  // nil
     check<0>("\xc2", MsgPackError::Ok);                  // false
@@ -82,15 +82,14 @@ TEST_CASE("deserializeMsgPack(StaticJsonVariant&)") {
       check<JSON_OBJECT_SIZE(0)>("\x80", MsgPackError::Ok);
     }
     SECTION("{H:1}") {
-      check<JSON_OBJECT_SIZE(0)>("\x81\xA1H\x01",
-                                 MsgPackError::NoMemory);
+      check<JSON_OBJECT_SIZE(0)>("\x81\xA1H\x01", MsgPackError::NoMemory);
       check<JSON_OBJECT_SIZE(1) + epsilon>("\x81\xA1H\x01", MsgPackError::Ok);
     }
     SECTION("{H:1,W:2}") {
       check<JSON_OBJECT_SIZE(1) + epsilon>("\x82\xA1H\x01\xA1W\x02",
-                                     MsgPackError::NoMemory);
-      check<JSON_OBJECT_SIZE(2) + 2*epsilon>("\x82\xA1H\x01\xA1W\x02",
-                                     MsgPackError::Ok);
+                                           MsgPackError::NoMemory);
+      check<JSON_OBJECT_SIZE(2) + 2 * epsilon>("\x82\xA1H\x01\xA1W\x02",
+                                               MsgPackError::Ok);
     }
   }
 
@@ -101,13 +100,14 @@ TEST_CASE("deserializeMsgPack(StaticJsonVariant&)") {
     SECTION("{H:1}") {
       check<JSON_OBJECT_SIZE(0)>("\xDE\x00\x01\xA1H\x01",
                                  MsgPackError::NoMemory);
-      check<JSON_OBJECT_SIZE(1) + epsilon>("\xDE\x00\x01\xA1H\x01", MsgPackError::Ok);
+      check<JSON_OBJECT_SIZE(1) + epsilon>("\xDE\x00\x01\xA1H\x01",
+                                           MsgPackError::Ok);
     }
     SECTION("{H:1,W:2}") {
       check<JSON_OBJECT_SIZE(1) + epsilon>("\xDE\x00\x02\xA1H\x01\xA1W\x02",
-                                     MsgPackError::NoMemory);
-      check<JSON_OBJECT_SIZE(2) + 2*epsilon>("\xDE\x00\x02\xA1H\x01\xA1W\x02",
-                                     MsgPackError::Ok);
+                                           MsgPackError::NoMemory);
+      check<JSON_OBJECT_SIZE(2) + 2 * epsilon>("\xDE\x00\x02\xA1H\x01\xA1W\x02",
+                                               MsgPackError::Ok);
     }
   }
 
@@ -119,13 +119,13 @@ TEST_CASE("deserializeMsgPack(StaticJsonVariant&)") {
       check<JSON_OBJECT_SIZE(0)>("\xDF\x00\x00\x00\x01\xA1H\x01",
                                  MsgPackError::NoMemory);
       check<JSON_OBJECT_SIZE(1) + epsilon>("\xDF\x00\x00\x00\x01\xA1H\x01",
-                                     MsgPackError::Ok);
+                                           MsgPackError::Ok);
     }
     SECTION("{H:1,W:2}") {
-      check<JSON_OBJECT_SIZE(1) + epsilon>("\xDF\x00\x00\x00\x02\xA1H\x01\xA1W\x02",
-                                     MsgPackError::NoMemory);
-      check<JSON_OBJECT_SIZE(2) + 2*epsilon>("\xDF\x00\x00\x00\x02\xA1H\x01\xA1W\x02",
-                                     MsgPackError::Ok);
+      check<JSON_OBJECT_SIZE(1) + epsilon>(
+          "\xDF\x00\x00\x00\x02\xA1H\x01\xA1W\x02", MsgPackError::NoMemory);
+      check<JSON_OBJECT_SIZE(2) + 2 * epsilon>(
+          "\xDF\x00\x00\x00\x02\xA1H\x01\xA1W\x02", MsgPackError::Ok);
     }
   }
 }

test/MsgPack/deserializeVariant.cpp

@@ -7,7 +7,7 @@
 
 template <typename T, typename U>
 static void check(const char* input, U expected) {
-  DynamicJsonVariant variant;
+  DynamicJsonDocument variant;
 
   MsgPackError error = deserializeMsgPack(variant, input);
 
@@ -127,151 +127,4 @@ TEST_CASE("deserializeMsgPack(JsonVariant&)") {
   SECTION("str 32") {
     check<const char*>("\xdb\x00\x00\x00\x05hello", std::string("hello"));
   }
-
-  SECTION("fixarray") {
-    DynamicJsonVariant variant;
-
-    SECTION("empty") {
-      const char* input = "\x90";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 0);
-    }
-
-    SECTION("two integers") {
-      const char* input = "\x92\x01\x02";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 2);
-      REQUIRE(variant[0] == 1);
-      REQUIRE(variant[1] == 2);
-    }
-  }
-
-  SECTION("array 16") {
-    DynamicJsonVariant variant;
-
-    SECTION("empty") {
-      const char* input = "\xDC\x00\x00";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 0);
-    }
-
-    SECTION("two strings") {
-      const char* input = "\xDC\x00\x02\xA5hello\xA5world";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 2);
-      REQUIRE(variant[0] == "hello");
-      REQUIRE(variant[1] == "world");
-    }
-  }
-
-  SECTION("array 32") {
-    DynamicJsonVariant variant;
-
-    SECTION("empty") {
-      const char* input = "\xDD\x00\x00\x00\x00";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 0);
-    }
-
-    SECTION("two floats") {
-      const char* input =
-          "\xDD\x00\x00\x00\x02\xCA\x00\x00\x00\x00\xCA\x40\x48\xF5\xC3";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 2);
-      REQUIRE(variant[0] == 0.0f);
-      REQUIRE(variant[1] == 3.14f);
-    }
-  }
-
-  SECTION("fixmap") {
-    DynamicJsonVariant variant;
-
-    SECTION("empty") {
-      const char* input = "\x80";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 0);
-    }
-
-    SECTION("two integers") {
-      const char* input = "\x82\xA3one\x01\xA3two\x02";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 2);
-      REQUIRE(variant["one"] == 1);
-      REQUIRE(variant["two"] == 2);
-    }
-  }
-
-  SECTION("map 16") {
-    DynamicJsonVariant variant;
-
-    SECTION("empty") {
-      const char* input = "\xDE\x00\x00";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 0);
-    }
-
-    SECTION("two strings") {
-      const char* input = "\xDE\x00\x02\xA1H\xA5hello\xA1W\xA5world";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 2);
-      REQUIRE(variant["H"] == "hello");
-      REQUIRE(variant["W"] == "world");
-    }
-  }
-
-  SECTION("map 32") {
-    DynamicJsonVariant variant;
-
-    SECTION("empty") {
-      const char* input = "\xDF\x00\x00\x00\x00";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 0);
-    }
-
-    SECTION("two floats") {
-      const char* input =
-          "\xDF\x00\x00\x00\x02\xA4zero\xCA\x00\x00\x00\x00\xA2pi\xCA\x40\x48"
-          "\xF5\xC3";
-
-      MsgPackError error = deserializeMsgPack(variant, input);
-
-      REQUIRE(error == MsgPackError::Ok);
-      REQUIRE(variant.size() == 2);
-      REQUIRE(variant["zero"] == 0.0f);
-      REQUIRE(variant["pi"] == 3.14f);
-    }
-  }
 }

test/StaticJsonBuffer/alloc.cpp

@@ -2,9 +2,11 @@
 // Copyright Benoit Blanchon 2014-2018
 // MIT License
 
-#include <ArduinoJson.h>
+#include <ArduinoJson/Memory/StaticJsonBuffer.hpp>
 #include <catch.hpp>
 
+using namespace ArduinoJson::Internals;
+
 static bool isAligned(void *ptr) {
   const size_t mask = sizeof(void *) - 1;
   size_t addr = reinterpret_cast<size_t>(ptr);

test/StaticJsonBuffer/size.cpp

@@ -2,9 +2,11 @@
 // Copyright Benoit Blanchon 2014-2018
 // MIT License
 
-#include <ArduinoJson.h>
+#include <ArduinoJson/Memory/StaticJsonBuffer.hpp>
 #include <catch.hpp>
 
+using namespace ArduinoJson::Internals;
+
 TEST_CASE("StaticJsonBuffer::size()") {
   StaticJsonBuffer<64> buffer;