Created function used in PyObject getAttro.

Moved the code generated to a function in libpyside.
Create unit test for bug #525.

Reviewer: Hugo Parente Lima <hugo.pl@gmail.com>
          Marcelo Lira <marcelo.lira@openbossa.org>

tests/QtGui/CMakeLists.txt

@@ -20,6 +20,7 @@ PYSIDE_TEST(bug_467.py)
 PYSIDE_TEST(bug_480.py)
 PYSIDE_TEST(bug_500.py)
 PYSIDE_TEST(bug_512.py)
+PYSIDE_TEST(bug_525.py)
 PYSIDE_TEST(customproxywidget_test.py)
 PYSIDE_TEST(deepcopy_test.py)
 PYSIDE_TEST(float_to_int_implicit_conversion_test.py)

tests/QtGui/bug_525.py

@@ -0,0 +1,21 @@
+import unittest
+from PySide.QtGui import QApplication
+from PySide.QtGui import QMenu
+
+class M2(QMenu):
+    def __init__(self,parent=None):
+        super(M2,self).__init__(parent)
+        self.setTitle(self.tr("M2"))
+
+class TestMenuDerivedClass(unittest.TestCase):
+    def aboutToShowHandler(self):
+        pass
+
+    def testConnectSignal(self):
+        app = QApplication([])
+        m2 = M2()
+        # Test if the aboutToShow signal was translated to correct type
+        m2.aboutToShow.connect(self.aboutToShowHandler)
+
+if __name__ == '__main__':
+    unittest.main()