don't show assert message boxes in debug build but throw an exception if an assert unexpectedly fails; do check that expected asserts are generated

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57459 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

tests/test.cpp

@@ -92,6 +92,17 @@ public:
     virtual int  OnRun();
     virtual int  OnExit();
 
+#ifdef __WXDEBUG__
+    virtual void OnAssertFailure(const wxChar *,
+                                 int,
+                                 const wxChar *,
+                                 const wxChar *,
+                                 const wxChar *)
+    {
+        throw TestAssertFailure();
+    }
+#endif // __WXDEBUG__
+
 private:
     void List(Test *test, const string& parent = "") const;