Fixed duplication of char*

test/JsonObject/CMakeLists.txt

@@ -4,8 +4,11 @@
 
 add_executable(JsonObjectTests 
 	containsKey.cpp
+	createNestedArray.cpp
+	createNestedObject.cpp
 	get.cpp
 	invalid.cpp
+	is.cpp
 	isNull.cpp
 	iterator.cpp
 	remove.cpp

test/JsonObject/containsKey.cpp

@@ -8,23 +8,29 @@
 TEST_CASE("JsonObject::containsKey()") {
   DynamicJsonDocument doc;
   JsonObject obj = doc.to<JsonObject>();
+  obj.set("hello", 42);
 
-  SECTION("ContainsKeyReturnsFalseForNonExistingKey") {
-    obj.set("hello", 42);
-
+  SECTION("returns false if key not present") {
     REQUIRE(false == obj.containsKey("world"));
   }
 
-  SECTION("ContainsKeyReturnsTrueForDefinedValue") {
-    obj.set("hello", 42);
-
+  SECTION("returns true if key present") {
     REQUIRE(true == obj.containsKey("hello"));
   }
 
-  SECTION("ContainsKeyReturnsFalseAfterRemove") {
-    obj.set("hello", 42);
+  SECTION("returns false after remove()") {
     obj.remove("hello");
 
     REQUIRE(false == obj.containsKey("hello"));
   }
+
+#ifdef HAS_VARIABLE_LENGTH_ARRAY
+  SECTION("key is a VLA") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+
+    REQUIRE(true == obj.containsKey(vla));
+  }
+#endif
 }

test/JsonObject/createNestedArray.cpp

@@ -0,0 +1,25 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonObject::createNestedArray()") {
+  DynamicJsonDocument doc;
+  JsonObject obj = doc.to<JsonObject>();
+
+  SECTION("key is a const char*") {
+    obj.createNestedArray("hello");
+  }
+
+#ifdef HAS_VARIABLE_LENGTH_ARRAY
+  SECTION("key is a VLA") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+
+    obj.createNestedArray(vla);
+  }
+#endif
+}

test/JsonObject/createNestedObject.cpp

@@ -0,0 +1,25 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonObject::createNestedObject()") {
+  DynamicJsonDocument doc;
+  JsonObject obj = doc.to<JsonObject>();
+
+  SECTION("key is a const char*") {
+    obj.createNestedObject("hello");
+  }
+
+#ifdef HAS_VARIABLE_LENGTH_ARRAY
+  SECTION("key is a VLA") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+
+    obj.createNestedObject(vla);
+  }
+#endif
+}

test/JsonObject/get.cpp

@@ -11,9 +11,20 @@ TEST_CASE("JsonObject::get()") {
   DynamicJsonDocument doc;
   JsonObject obj = doc.to<JsonObject>();
 
-  SECTION("GetConstCharPointer_GivenStringLiteral") {
+  SECTION("get<const char*>(const char*)") {
     obj.set("hello", "world");
     const char* value = obj.get<const char*>("hello");
     REQUIRE_THAT(value, Equals("world"));
   }
+
+#ifdef HAS_VARIABLE_LENGTH_ARRAY
+  SECTION("get<const char*>(VLA)") {
+    obj.set("hello", "world");
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+
+    REQUIRE(std::string("world") == obj.get<char*>(vla));
+  }
+#endif
 }

test/JsonObject/is.cpp

@@ -0,0 +1,28 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("JsonObject::is<T>()") {
+  DynamicJsonDocument doc;
+  JsonObject obj = doc.to<JsonObject>();
+  obj["int"] = 42;
+  obj["str"] = "hello";
+
+  SECTION("is<int>(const char*)") {
+    REQUIRE(true == obj.is<int>("int"));
+    REQUIRE(false == obj.is<int>("str"));
+  }
+
+#if HAS_VARIABLE_LENGTH_ARRAY
+  SECTION("is<T>(VLA)") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "int");
+
+    REQUIRE(true == obj.is<int>(vla));
+  }
+#endif
+}

test/JsonObject/remove.cpp

@@ -39,4 +39,17 @@ TEST_CASE("JsonObject::remove()") {
     serializeJson(obj, result);
     REQUIRE("{\"a\":0,\"c\":2}" == result);
   }
+
+#ifdef HAS_VARIABLE_LENGTH_ARRAY
+  SECTION("key is a vla") {
+    obj["hello"] = 1;
+
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+    obj.remove(vla);
+
+    REQUIRE(0 == obj.size());
+  }
+#endif
 }

test/JsonObject/set.cpp

@@ -42,6 +42,38 @@ TEST_CASE("JsonObject::set()") {
     REQUIRE_FALSE(obj["hello"].is<long>());
   }
 
+#ifdef HAS_VARIABLE_LENGTH_ARRAY
+  SECTION("key is a VLA") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+
+    obj.set(vla, "world");
+
+    REQUIRE(std::string("world") == obj["hello"]);
+  }
+
+  SECTION("value is a VLA") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "world");
+
+    obj.set("hello", vla);
+
+    REQUIRE(std::string("world") == obj["hello"]);
+  }
+
+  SECTION("key and value are VLAs") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "world");
+
+    obj.set(vla, vla);
+
+    REQUIRE(std::string("world") == obj["world"]);
+  }
+#endif
+
   SECTION("nested array") {
     DynamicJsonDocument doc2;
     JsonArray arr = doc2.to<JsonArray>();

test/JsonObject/subscript.cpp

@@ -159,4 +159,58 @@ TEST_CASE("JsonObject::operator[]") {
     REQUIRE(obj.size() == 1);
     REQUIRE(obj[null] == 0);
   }
+
+#if defined(HAS_VARIABLE_LENGTH_ARRAY) && \
+    !defined(SUBSCRIPT_CONFLICTS_WITH_BUILTIN_OPERATOR)
+  SECTION("obj[VLA] = str") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+
+    obj[vla] = "world";
+
+    REQUIRE(std::string("world") == obj["hello"]);
+  }
+
+  SECTION("obj[str] = VLA") {  // issue #416
+    int i = 32;
+    char vla[i];
+    strcpy(vla, "world");
+
+    obj["hello"] = vla;
+
+    REQUIRE(std::string("world") == obj["hello"].as<char*>());
+  }
+
+  SECTION("obj.set(VLA, str)") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+
+    obj[vla] = "world";
+
+    REQUIRE(std::string("world") == obj["hello"]);
+  }
+
+  SECTION("obj.set(str, VLA)") {
+    int i = 32;
+    char vla[i];
+    strcpy(vla, "world");
+
+    obj["hello"].set(vla);
+
+    REQUIRE(std::string("world") == obj["hello"].as<char*>());
+  }
+
+  SECTION("obj[VLA]") {
+    int i = 16;
+    char vla[i];
+    strcpy(vla, "hello");
+
+    deserializeJson(doc, "{\"hello\":\"world\"}");
+
+    obj = doc.as<JsonObject>();
+    REQUIRE(std::string("world") == obj[vla]);
+  }
+#endif
 }