1 files changed, 56 insertions, 0 deletions
diff --git a/tests/QtCore/duck_punching_test.py b/tests/QtCore/duck_punching_test.py
new file mode 100644
index 000000000..e20c0c1b1
--- /dev/null
+++ b/tests/QtCore/duck_punching_test.py
@@ -0,0 +1,56 @@
+#!/usr/bin/python
+
+'''Test case for duck punching new implementations of C++ virtual methods into object instances.'''
+
+import unittest
+import types
+from PySide.QtCore import QObject, QEvent
+from helper import UsesQCoreApplication
+
+class Duck(QObject):
+    def __init__(self):
+        QObject.__init__(self)
+    def childEvent(self, event):
+        QObject.childEvent(self, event)
+
+class TestDuckPunchingOnQObjectInstance(UsesQCoreApplication):
+    '''Test case for duck punching new implementations of C++ virtual methods into object instances.'''
+
+    def setUp(self):
+        #Acquire resources
+        self.duck_childEvent_called = False
+        UsesQCoreApplication.setUp(self)
+
+    def tearDown(self):
+        #Release resources
+        del self.duck_childEvent_called
+        UsesQCoreApplication.tearDown(self)
+
+
+    def testChildEventMonkeyPatch(self):
+        #Test if the new childEvent injected on QObject instance is called from C++
+        parent = QObject()
+        def childEvent(obj, event):
+            self.duck_childEvent_called = True
+            QObject.childEvent(obj, event)
+        parent.childEvent = types.MethodType(childEvent, parent, QObject)
+        child = QObject()
+        child.setParent(parent)
+        self.assert_(self.duck_childEvent_called)
+
+    def testChildEventMonkeyPatchWithInheritance(self):
+        #Test if the new childEvent injected on a QObject's extension class instance is called from C++
+        parent = Duck()
+        def childEvent(obj, event):
+            QObject.childEvent(obj, event)
+            self.duck_childEvent_called = True
+        child = QObject()
+        child.setParent(parent)
+        parent.childEvent = types.MethodType(childEvent, parent, QObject)
+        child = QObject()
+        child.setParent(parent)
+        self.assert_(self.duck_childEvent_called)
+
+if __name__ == '__main__':
+    unittest.main()
+