Test that adding values to the JsonObject increase the size of the buffer

srcs/JsonBuffer.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <stddef.h>
+
+class JsonObject;
+struct JsonNode;
+
+class JsonBuffer
+{
+    friend class JsonObject;
+
+public:
+//    virtual ~JsonBuffer() = 0;
+
+    JsonObject createObject();
+
+protected:
+    virtual /*JsonNode&*/void allocateNode() = 0;
+    
+    /*JsonNode&*/void createNode();
+};
+