Extracted a class to test strings

JsonParserTests/JsonStringTests.cpp

@@ -0,0 +1,53 @@
+/*
+* Arduino JSON library
+* Benoit Blanchon 2014 - MIT License
+*/
+
+#include "CppUnitTest.h"
+#include "JsonParser.h"
+
+using namespace Microsoft::VisualStudio::CppUnitTestFramework;
+using namespace ArduinoJson::Parser;
+
+namespace ArduinoJsonParserTests
+{
+    TEST_CLASS(JsonStringTests)
+    {
+        const char* actual;
+        char json[256];
+        JsonParser<32> parser;
+
+    public:
+
+        TEST_METHOD(EmptyString)
+        {
+            whenInputIs("");
+            outputMustBe(0);
+        }
+
+        TEST_METHOD(JustOneQuote)
+        {
+            whenInputIs("\"");
+            outputMustBe(0);
+        }
+
+        TEST_METHOD(EscapedQuote)
+        {
+            whenInputIs("\\\"");
+            outputMustBe("\"");
+        }
+
+    private:       
+
+        void whenInputIs(const char* input)
+        {
+            strcpy(json, input);
+            actual = parser.parse(json);
+        }
+
+        void outputMustBe(const char* expected)
+        {
+            Assert::AreEqual(expected, actual);
+        }
+    };
+}