CPP: Add test cases.

cpp/ql/test/query-tests/Critical/NewFree/NewArrayDeleteMismatch.expected

@@ -2,3 +2,4 @@
 | test.cpp:182:3:182:22 | delete | This memory may have been allocated with '$@', not 'new'. | test.cpp:175:18:175:29 | new[] | new[] |
 | test.cpp:240:2:240:9 | delete | This memory may have been allocated with '$@', not 'new'. | test.cpp:228:7:228:17 | new[] | new[] |
 | test.cpp:295:2:295:11 | delete | This memory may have been allocated with '$@', not 'new'. | test.cpp:290:8:290:28 | new[] | new[] |
+| test.cpp:310:3:310:13 | delete | This memory may have been allocated with '$@', not 'new'. | test.cpp:304:18:304:29 | new[] | new[] |

cpp/ql/test/query-tests/Critical/NewFree/test.cpp

@@ -295,3 +295,45 @@ static void map_shutdown()
 	delete map; // BAD: new[] -> delete
 	map = 0;
 }
+
+// ---
+
+class Test10
+{
+public:
+	Test10() : data(new char[10])
+	{
+	}
+
+	~Test10()
+	{
+		delete data; // BAD: new[] -> delete
+	}
+
+	char *data;
+};
+
+class Test11
+{
+public:
+	Test11()
+	{
+		data = new char[10];
+	}
+
+	void resize(int size)
+	{
+		if (size > 0)
+		{
+			delete [] data; // GOOD
+			data = new char[size];
+		}
+	}
+
+	~Test11()
+	{
+		delete data; // BAD: new[] -> delete [NOT DETECTED]
+	}
+
+	char *data;
+};