Skip compiling diamond pattern tests by default

Author: yeganer

tests/test_virtual_functions.cpp

@@ -472,6 +472,11 @@ class Final: public virtual Interface {
     }
 };
 
+#ifndef RUN_DIAMOND
+#define RUN_DIAMOND 0
+#endif /* ifndef RUN_DIAMOND */
+
+#if RUN_DIAMOND
 class B_Concrete: public virtual Interface {
 public:
     virtual int run(Interface* ptr) {
@@ -496,10 +501,13 @@ class Diamond: public C_Concrete, public B_Concrete {
 #pragma warning(pop)
 #endif
 
+#endif /* if RUN_DIAMOND */
+
 void initialize_virtual_inheritance(py::module &m) {
     py::class_<Interface>(m, "Interface").def("run", &Interface::run);
     py::class_<Final, Interface>(m, "Final").def(py::init<>());
 
+#if RUN_DIAMOND
     py::class_<B_Concrete, Interface>(m, "B_Concrete");
     py::class_<C_Concrete, Interface>(m, "C_Concrete");
     py::class_<Diamond, B_Concrete, C_Concrete>(m, "Diamond").def(py::init<>());
@@ -508,4 +516,5 @@ void initialize_virtual_inheritance(py::module &m) {
           Diamond d = Diamond();
           return d.run(&d);
           }, "Runs the diamond test in c++");
+#endif /* if RUN_DIAMOND */
 }

tests/test_virtual_functions.py

@@ -375,6 +375,10 @@ def test_virtual_inheritance():
 
     final = m.Final()
     assert final.run(final) == 6
-    diamond = m.Diamond()
-    assert diamond.run(diamond) == 4
-    assert m.run_virtual_inheritance() == 4
+    try:
+        diamond = m.Diamond()
+    except AttributeError:
+        pass
+    else:
+        assert diamond.run(diamond) == 4
+        assert m.run_virtual_inheritance() == 4