CPP: Add a test.

Author: geoffw0

cpp/ql/test/query-tests/jsf/4.10 Classes/AV Rule 79/AV Rule 79.expected

@@ -19,5 +19,6 @@
 | Variants.cpp:65:3:65:17 | ... = ... | Resource a is acquired by class MyClass6 but not released anywhere in this class. |
 | Variants.cpp:66:3:66:36 | ... = ... | Resource b is acquired by class MyClass6 but not released anywhere in this class. |
 | Variants.cpp:67:3:67:41 | ... = ... | Resource c is acquired by class MyClass6 but not released anywhere in this class. |
+| Variants.cpp:100:3:100:22 | ... = ... | Resource success is acquired by class myClass7Test but not released anywhere in this class. |
 | Wrapped.cpp:46:3:46:22 | ... = ... | Resource ptr2 is acquired by class Wrapped2 but not released anywhere in this class. |
 | Wrapped.cpp:59:3:59:22 | ... = ... | Resource ptr4 is acquired by class Wrapped2 but not released anywhere in this class. |

cpp/ql/test/query-tests/jsf/4.10 Classes/AV Rule 79/Variants.cpp

@@ -73,3 +73,39 @@ class MyClass6
 
 	int *a, *b, *c;
 };
+
+class MyClass7
+{
+public:
+	MyClass7()
+	{
+	}
+
+	bool open()
+	{
+		// ...
+	}
+
+	void close()
+	{
+		// ...
+	}
+};
+
+class myClass7Test
+{
+public:
+	myClass7Test()
+	{
+		success = mc7.open(); // GOOD [FALSE POSITIVE]
+	}
+
+	~myClass7Test()
+	{
+		mc7.close();
+	}
+
+private:
+	MyClass7 mc7;
+	bool success;
+};