QL code and tests for C#/C++/JavaScript.

cpp/ql/src/Best Practices/RuleOfTwo.cpp

@@ -0,0 +1,26 @@
+class C {
+private:
+	Other* other = NULL;
+public:
+	C(const C& copyFrom) {
+		Other* newOther = new Other();
+		*newOther = copyFrom.other;
+		this->other = newOther;
+	}
+
+	//No operator=, by default will just copy the pointer other, will not create a new object
+};
+
+class D {
+	Other* other = NULL;
+public:
+	D& operator=(D& rhs) {
+		Other* newOther = new Other();
+		*newOther = rhs.other;
+		this->other = newOther;
+		return *this;
+	}
+
+	//No copy constructor, will just copy the pointer other and not create a new object
+};
+