Fixed Issue 22 memory corruption via operator =

git-svn-id: https://rapidjson.googlecode.com/svn/trunk@74 c5894555-1306-4e8d-425f-1f6f381ee07c

include/rapidjson/document.h

@@ -801,6 +801,9 @@ public:
 	}
 
 private:
+	// Prohibit assignment
+	GenericDocument& operator=(const GenericDocument&);
+
 	void ClearStack() {
 		if (Allocator::kNeedFree)
 			while (stack_.GetSize() > 0)	// Here assumes all elements in stack array are GenericValue (Member is actually 2 GenericValue objects)

test/unittest/documenttest.cpp

@@ -82,3 +82,11 @@ TEST(Document, UTF16_Document) {
 
 	EXPECT_EQ(0, wcscmp(L"Wed Oct 30 17:13:20 +0000 2012", s.GetString()));
 }
+
+// Issue 22: Memory corruption via operator=
+// Fixed by making unimplemented assignment operator private.
+//TEST(Document, Assignment) {
+//	Document d1;
+//	Document d2;
+//	d1 = d2;
+//}