Fixed QWidget.parent function.

Create unit test for bug 576.
Fixes bug #576.

Reviewer: Marcelo Lira <marcelo.lira@openbossa.org>
          Lauro Moura <lauro.neto@openbossa.org>

2 files changed, 33 insertions, 0 deletions

diff --git a/tests/QtGui/CMakeLists.txt b/tests/QtGui/CMakeLists.txt
index 4514731cd..8906a9318 100644
--- a/tests/QtGui/CMakeLists.txt
+++ b/tests/QtGui/CMakeLists.txt
@@ -26,6 +26,7 @@ PYSIDE_TEST(bug_546.py)
 PYSIDE_TEST(bug_547.py)
 PYSIDE_TEST(bug_549.py)
 PYSIDE_TEST(bug_569.py)
+PYSIDE_TEST(bug_576.py)
 PYSIDE_TEST(customproxywidget_test.py)
 PYSIDE_TEST(deepcopy_test.py)
 PYSIDE_TEST(float_to_int_implicit_conversion_test.py)
diff --git a/tests/QtGui/bug_576.py b/tests/QtGui/bug_576.py
new file mode 100644
index 000000000..b3c11a35c
--- /dev/null
+++ b/tests/QtGui/bug_576.py
@@ -0,0 +1,32 @@
+""" Unittest for bug #576 """
+""" http://bugs.openbossa.org/show_bug.cgi?id=576 """
+
+from PySide import QtGui, QtCore
+import sys
+import unittest
+
+class Bug576(unittest.TestCase):
+    def onButtonDestroyed(self, button):
+        self._destroyed = True
+
+    def testWidgetParent(self):
+        self._destroyed = False
+        app = QtGui.QApplication(sys.argv)
+        w = QtGui.QWidget()
+
+        b = QtGui.QPushButton("test")
+        b.destroyed[QtCore.QObject].connect(self.onButtonDestroyed)
+        self.assertEqual(sys.getrefcount(b), 2)
+        b.setParent(w)
+        self.assertEqual(sys.getrefcount(b), 3)
+        b.parent()
+        self.assertEqual(sys.getrefcount(b), 3)
+        b.setParent(None)
+        self.assertEqual(sys.getrefcount(b), 2)
+        del b
+        self.assert_(self._destroyed)
+
+
+if __name__ == '__main__':
+    unittest.main()
+