Extracted interface JsonSink.

JsonGeneratorTests/JsonValueTests.cpp

@@ -0,0 +1,83 @@
+#include "CppUnitTest.h"
+#include "StringBuilder.h"
+#include "JsonValue.h"
+
+using namespace Microsoft::VisualStudio::CppUnitTestFramework;
+
+namespace JsonGeneratorTests
+{
+    TEST_CLASS(JsonValueTests)
+    {
+        char buffer[20];
+        StringBuilder* sb;
+
+    public:
+
+        TEST_METHOD_INITIALIZE(Initialize)
+        {
+            sb = new StringBuilder(buffer, sizeof(buffer));
+        }
+                
+        TEST_METHOD(InitialState)
+        {
+            assertResultIs("");
+        }
+
+        TEST_METHOD(Null)
+        {
+            append((char*)0);
+            assertResultIs("null");
+        }
+
+        TEST_METHOD(EmptyString)
+        {
+            append("");
+            assertResultIs("\"\"");
+        }
+
+        TEST_METHOD(OneString)
+        {
+            append("ABCD");
+            assertResultIs("\"ABCD\"");
+        }
+
+        TEST_METHOD(OneTwoStrings)
+        {
+            append("ABCD");
+            append("EFGH");
+            assertResultIs("\"ABCD\"\"EFGH\"");
+        }
+
+        TEST_METHOD(OverCapacity)
+        {
+            append("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+            assertResultIs("\"ABCDEFGHIJKLMNOPQ\"");
+
+            append("");
+            assertResultIs("\"ABCDEFGHIJKLMNOPQ\"");
+        }
+
+        TEST_METHOD(SpecialChars)
+        {
+            append("\\\"\b\f\n\r\t");
+            assertResultIs("\"\\\\\\\"\\b\\f\\n\\r\\t\"");
+        }
+
+        TEST_METHOD(Number)
+        {
+            append(3.14);
+            assertResultIs("3.14");
+        }
+
+        template<typename T>
+        void append(T value)
+        {
+            JsonValue(value).writeTo(*sb);
+        }
+
+        void assertResultIs(const char* expected)
+        {
+            Assert::AreEqual(expected, buffer);
+        }
+    };
+}