Test casting a JsonValue to a string

JsonGeneratorTests/JsonGeneratorTests.vcxproj

@@ -88,6 +88,7 @@
     <ClCompile Include="JsonArrayTests.cpp" />
     <ClCompile Include="JsonObject_Indexer_Tests.cpp" />
     <ClCompile Include="JsonObject_PrintTo_Tests.cpp" />
+    <ClCompile Include="JsonValue_Cast_Tests.cpp" />
     <ClCompile Include="JsonValue_PrintTo_Tests.cpp" />
     <ClCompile Include="StringBuilderTests.cpp" />
   </ItemGroup>

JsonGeneratorTests/JsonGeneratorTests.vcxproj.filters

@@ -33,5 +33,8 @@
     <ClCompile Include="JsonValue_PrintTo_Tests.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="JsonValue_Cast_Tests.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

JsonGeneratorTests/JsonValue_Cast_Tests.cpp

@@ -0,0 +1,36 @@
+/*
+* Arduino JSON library
+* Benoit Blanchon 2014 - MIT License
+*/
+
+#include "CppUnitTest.h"
+#include "StringBuilder.h"
+#include "JsonValue.h"
+
+using namespace Microsoft::VisualStudio::CppUnitTestFramework;
+using namespace ArduinoJson::Generator;
+using namespace ArduinoJson::Internals;
+
+namespace JsonGeneratorTests
+{
+    TEST_CLASS(JsonValue_Cast_Tests)
+    {
+        JsonValue value;
+
+    public:
+
+        TEST_METHOD(String)
+        {            
+            value = "hello";
+            mustCastTo("hello");
+        }
+
+    private:
+
+        void mustCastTo(const char* expected)
+        {
+            const char* actual = value;
+            Assert::AreEqual(expected, actual);
+        }
+    };
+}