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test/JsonObject_PrintTo_Tests.cpp

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+// Copyright Benoit Blanchon 2014
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+
+#include <gtest/gtest.h>
+#include <ArduinoJson/JsonArray.hpp>
+#include <ArduinoJson/JsonObject.hpp>
+#include <ArduinoJson/JsonValue.hpp>
+#include <ArduinoJson/StaticJsonBuffer.hpp>
+
+using namespace ArduinoJson; 
+using namespace ArduinoJson::Internals;
+
+class JsonObject_PrintTo_Tests : public testing::Test {
+ public:
+  JsonObject_PrintTo_Tests() : object(json.createObject()) {}
+
+ protected:
+  void outputMustBe(const char *expected) {
+    char actual[256];
+    int result = object.printTo(actual, sizeof(actual));
+
+    EXPECT_STREQ(expected, actual);
+    EXPECT_EQ(strlen(expected), result);
+  }
+
+  StaticJsonBuffer<JSON_OBJECT_SIZE(2)> json;
+  JsonObject &object;
+};
+
+TEST_F(JsonObject_PrintTo_Tests, EmptyObject) { outputMustBe("{}"); }
+
+TEST_F(JsonObject_PrintTo_Tests, OneString) {
+  object["key"] = "value";
+
+  outputMustBe("{\"key\":\"value\"}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, TwoStrings) {
+  object["key1"] = "value1";
+  object["key2"] = "value2";
+
+  outputMustBe("{\"key1\":\"value1\",\"key2\":\"value2\"}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, RemoveFirst) {
+  object["key1"] = "value1";
+  object["key2"] = "value2";
+  object.remove("key1");
+
+  outputMustBe("{\"key2\":\"value2\"}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, RemoveLast) {
+  object["key1"] = "value1";
+  object["key2"] = "value2";
+  object.remove("key2");
+
+  outputMustBe("{\"key1\":\"value1\"}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, RemoveUnexistingKey) {
+  object["key1"] = "value1";
+  object["key2"] = "value2";
+  object.remove("key3");
+
+  outputMustBe("{\"key1\":\"value1\",\"key2\":\"value2\"}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, ReplaceExistingKey) {
+  object["key"] = "value1";
+  object["key"] = "value2";
+
+  outputMustBe("{\"key\":\"value2\"}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneStringOverCapacity) {
+  object["key1"] = "value1";
+  object["key2"] = "value2";
+  object["key3"] = "value3";
+
+  outputMustBe("{\"key1\":\"value1\",\"key2\":\"value2\"}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneInteger) {
+  object["key"] = 1;
+  outputMustBe("{\"key\":1}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneDoubleFourDigits) {
+  object["key"].set(3.14159265358979323846, 4);
+  outputMustBe("{\"key\":3.1416}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneDoubleDefaultDigits) {
+  object["key"] = 3.14159265358979323846;
+  outputMustBe("{\"key\":3.14}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneNull) {
+  object["key"] = static_cast<char *>(0);
+  outputMustBe("{\"key\":null}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneTrue) {
+  object["key"] = true;
+  outputMustBe("{\"key\":true}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneFalse) {
+  object["key"] = false;
+  outputMustBe("{\"key\":false}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneEmptyNestedArrayViaProxy) {
+  JsonArray &nestedArray = json.createArray();
+
+  object["key"] = nestedArray;
+
+  outputMustBe("{\"key\":[]}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneEmptyNestedObjectViaProxy) {
+  JsonObject &nestedArray = json.createObject();
+
+  object["key"] = nestedArray;
+
+  outputMustBe("{\"key\":{}}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneEmptyNestedObject) {
+  object.createNestedObject("key");
+
+  outputMustBe("{\"key\":{}}");
+}
+
+TEST_F(JsonObject_PrintTo_Tests, OneEmptyNestedArray) {
+  object.createNestedArray("key");
+
+  outputMustBe("{\"key\":[]}");
+}