ArduinoJson/test/JsonObject_Serialization_Tests.cpp

#include <gtest/gtest.h>
#include <ArduinoJson/JsonArray.hpp>
#include <ArduinoJson/JsonObject.hpp>
#include <ArduinoJson/JsonValue.hpp>
#include <ArduinoJson/StaticJsonBuffer.hpp>

using namespace ArduinoJson;

class JsonObject_Serialization_Tests : public testing::Test {
 protected:
  virtual void SetUp() { object = json.createObject(); }

  void outputMustBe(const char *expected) {
    char actual[256];
    int result = object.printTo(actual, sizeof(actual));

    EXPECT_STREQ(expected, actual);
    EXPECT_EQ(strlen(expected), result);
  }

  JsonObject object;
  StaticJsonBuffer<5> json;
};

TEST_F(JsonObject_Serialization_Tests, EmptyObject) { outputMustBe("{}"); }

TEST_F(JsonObject_Serialization_Tests, OneString) {
  object["key"] = "value";

  outputMustBe("{\"key\":\"value\"}");
}

TEST_F(JsonObject_Serialization_Tests, TwoStrings) {
  object["key1"] = "value1";
  object["key2"] = "value2";

  outputMustBe("{\"key1\":\"value1\",\"key2\":\"value2\"}");
}

TEST_F(JsonObject_Serialization_Tests, RemoveFirst) {
  object["key1"] = "value1";
  object["key2"] = "value2";
  object.remove("key1");

  outputMustBe("{\"key2\":\"value2\"}");
}

TEST_F(JsonObject_Serialization_Tests, RemoveLast) {
  object["key1"] = "value1";
  object["key2"] = "value2";
  object.remove("key2");

  outputMustBe("{\"key1\":\"value1\"}");
}

TEST_F(JsonObject_Serialization_Tests, RemoveUnexistingKey) {
  object["key1"] = "value1";
  object["key2"] = "value2";
  object.remove("key3");

  outputMustBe("{\"key1\":\"value1\",\"key2\":\"value2\"}");
}

TEST_F(JsonObject_Serialization_Tests, ReplaceExistingKey) {
  object["key"] = "value1";
  object["key"] = "value2";

  outputMustBe("{\"key\":\"value2\"}");
}

TEST_F(JsonObject_Serialization_Tests, OneStringOverCapacity) {
  object["key1"] = "value1";
  object["key2"] = "value2";
  object["key3"] = "value3";

  outputMustBe("{\"key1\":\"value1\",\"key2\":\"value2\"}");
}

TEST_F(JsonObject_Serialization_Tests, OneInteger) {
  object["key"] = 1;
  outputMustBe("{\"key\":1}");
}

TEST_F(JsonObject_Serialization_Tests, OneDoubleFourDigits) {
  object["key"].set(3.14159265358979323846, 4);
  outputMustBe("{\"key\":3.1416}");
}

TEST_F(JsonObject_Serialization_Tests, OneDoubleDefaultDigits) {
  object["key"] = 3.14159265358979323846;
  outputMustBe("{\"key\":3.14}");
}

TEST_F(JsonObject_Serialization_Tests, OneNull) {
  object["key"] = (char *)0;
  outputMustBe("{\"key\":null}");
}

TEST_F(JsonObject_Serialization_Tests, OneTrue) {
  object["key"] = true;
  outputMustBe("{\"key\":true}");
}

TEST_F(JsonObject_Serialization_Tests, OneFalse) {
  object["key"] = false;
  outputMustBe("{\"key\":false}");
}

TEST_F(JsonObject_Serialization_Tests, OneEmptyNestedArrayViaProxy) {
  JsonArray nestedArray = json.createArray();

  object["key"] = nestedArray;

  outputMustBe("{\"key\":[]}");
}

TEST_F(JsonObject_Serialization_Tests, OneEmptyNestedObjectViaProxy) {
  JsonObject nestedArray = json.createObject();

  object["key"] = nestedArray;

  outputMustBe("{\"key\":{}}");
}

TEST_F(JsonObject_Serialization_Tests, OneEmptyNestedObject) {
  object.createNestedObject("key");

  outputMustBe("{\"key\":{}}");
}

TEST_F(JsonObject_Serialization_Tests, OneEmptyNestedArray) {
  object.createNestedArray("key");

  outputMustBe("{\"key\":[]}");
}