Fixed ambiguous overload with JsonArraySubscript and JsonObjectSubscript (issue #122)

test/JsonObject_ContainsKey_Tests.cpp

@@ -0,0 +1,38 @@
+// Copyright Benoit Blanchon 2014-2015
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+
+#include <gtest/gtest.h>
+#include <ArduinoJson.h>
+
+#define TEST_(name) TEST(JsonObject_Basic_Tests, name)
+
+TEST_(ContainsKeyReturnsFalseForNonExistingKey) {
+  DynamicJsonBuffer _jsonBuffer;
+  JsonObject& _object = _jsonBuffer.createObject();
+
+  _object.set("hello", 42);
+
+  EXPECT_FALSE(_object.containsKey("world"));
+}
+
+TEST_(ContainsKeyReturnsTrueForDefinedValue) {
+  DynamicJsonBuffer _jsonBuffer;
+  JsonObject& _object = _jsonBuffer.createObject();
+
+  _object.set("hello", 42);
+
+  EXPECT_TRUE(_object.containsKey("hello"));
+}
+
+TEST_(ContainsKeyReturnsFalseAfterRemove) {
+  DynamicJsonBuffer _jsonBuffer;
+  JsonObject& _object = _jsonBuffer.createObject();
+
+  _object.set("hello", 42);
+  _object.remove("hello");
+
+  EXPECT_FALSE(_object.containsKey("hello"));
+}