Update test.cpp

cpp/ql/test/experimental/query-tests/Security/CWE/CWE-703/semmle/tests/test.cpp

@@ -1,3 +1,14 @@
+namespace std
+{
+	class exception {
+	};
+
+	class runtime_error : public exception {
+	public:
+		runtime_error(const char *msg);
+	};
+}
+
 typedef unsigned int size_t;
 void clean();
 
@@ -18,6 +29,13 @@ void funcTest2()
   try { throw "my exception!"; } // GOOD
   catch (...) { clean(); }
 }
+
+void funcTest3()
+{
+  std::runtime_error("msg error"); // BAD
+  throw std::runtime_error("msg error"); // GOOD
+}
+
 void TestFunc()
 {
   funcTest1();