Created unit test for QMenu, QMenuBar, QToolBar clear function.

Reviewed by: Hugo Parente <hugo.lima@openbossa.org>
             Luciano Wolf <luciano.wolf@openbossa.org>

tests/QtGui/CMakeLists.txt

@@ -1,5 +1,6 @@
 #Keep this in alphabetical sort
 
+PYSIDE_TEST(action_clear.py)
 PYSIDE_TEST(api2_test.py)
 PYSIDE_TEST(add_action_test.py)
 PYSIDE_TEST(bug_172.py)

tests/QtGui/action_clear.py

@@ -0,0 +1,46 @@
+from PySide.QtGui import QMenu, QWidget, QMenuBar, QToolBar
+import weakref
+
+import unittest
+from helper import UsesQApplication
+
+
+class TestQActionLifeCycle(UsesQApplication):
+    def actionDestroyed(self, act):
+        self._actionDestroyed = True
+
+    def testMenu(self):
+        self._actionDestroyed = False
+        w = QWidget()
+        menu = QMenu(w)
+        act = menu.addAction("MENU")
+        _ref = weakref.ref(act, self.actionDestroyed)
+        act = None
+        self.assertFalse(self._actionDestroyed)
+        menu.clear()
+        self.assertTrue(self._actionDestroyed)
+
+    def testMenuBar(self):
+        self._actionDestroyed = False
+        w = QWidget()
+        menuBar = QMenuBar(w)
+        act = menuBar.addAction("MENU")
+        _ref = weakref.ref(act, self.actionDestroyed)
+        act = None
+        self.assertFalse(self._actionDestroyed)
+        menuBar.clear()
+        self.assertTrue(self._actionDestroyed)
+
+    def testToolBar(self):
+        self._actionDestroyed = False
+        w = QWidget()
+        toolBar = QToolBar(w)
+        act = toolBar.addAction("MENU")
+        _ref = weakref.ref(act, self.actionDestroyed)
+        act = None
+        self.assertFalse(self._actionDestroyed)
+        toolBar.clear()
+        self.assertTrue(self._actionDestroyed)
+
+if __name__ == "__main__":
+    unittest.main()