Add basic json serialization test

src/shogun/io/serialization/Serializer.h

@@ -15,7 +15,7 @@ namespace shogun
 	public:
 		CSerializer();
 		virtual ~CSerializer();
-		virtual void attach(Some<COutputStream> stream)
+		virtual void attach(Some<COutputStream> stream);
 		virtual void write(Some<CSGObject> object) = 0;
 		Some<COutputStream> stream() const;
 

tests/unit/io/JsonSerialization_unittest.cc

@@ -0,0 +1,37 @@
+#include <shogun/io/serialization/JsonDeserializer.h>
+#include <shogun/io/serialization/JsonSerializer.h>
+
+#include <algorithm>
+#include <iostream>
+
+#include <gtest/gtest.h>
+
+using namespace shogun;
+
+class CDummyOutputStream : public COutputStream
+{
+public:
+	CDummyOutputStream() : COutputStream(), m_buffer()
+	{
+	}
+	void write(void* buffer, size_t size)
+	{
+		std::copy(
+		    (char*)buffer, (char*)buffer + size, std::back_inserter(m_buffer));
+	}
+	virtual const char* get_name() const
+	{
+		return "DummyOutputStream";
+	}
+
+private:
+	std::vector<char> m_buffer;
+};
+
+TEST(JsonSerialization, basic_serializer)
+{
+	auto serializer = some<CJsonSerializer>();
+	auto stream = some<CDummyOutputStream>();
+	serializer->attach(stream);
+	serializer->write(serializer);
+}