Created unit test to layout ref leak.

Reviewer: Marcelo Lira <marcelo.lira@openbossa.org>
          Luciano Wolf <luciano.wolf@openbossa.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/tests/QtGui/qlayout_ref_test.py b/tests/QtGui/qlayout_ref_test.py
index 27c599c70..695e2f163 100644
--- a/tests/QtGui/qlayout_ref_test.py
+++ b/tests/QtGui/qlayout_ref_test.py
@@ -108,5 +108,45 @@ class MultipleAdd(UsesQApplication):
         self.layout.addWidget(self.widget)
         self.assertEqual(getrefcount(self.widget), 3)
 
+class InternalAdd(UsesQApplication):
+    def testInternalRef(self):
+        mw = QWidget()
+        w = QWidget()
+        ow = QWidget()
+
+        topLayout = QGridLayout()
+
+        # unique reference
+        self.assertEqual(getrefcount(w), 2)
+        self.assertEqual(getrefcount(ow), 2)
+
+        topLayout.addWidget(w, 0, 0)
+        topLayout.addWidget(ow, 1, 0)
+
+        # layout keep the referemce
+        self.assertEqual(getrefcount(w), 3)
+        self.assertEqual(getrefcount(ow), 3)
+
+        mainLayout = QGridLayout()
+
+        mainLayout.addLayout(topLayout, 1, 0, 1, 4)
+
+        # the same reference
+        self.assertEqual(getrefcount(w), 3)
+        self.assertEqual(getrefcount(ow), 3)
+
+        mw.setLayout(mainLayout)
+
+        # now trasfer the ownership to mw
+        self.assertEqual(getrefcount(w), 3)
+        self.assertEqual(getrefcount(ow), 3)
+
+        del mw
+
+        # remove the ref and invalidate the widget
+        self.assertEqual(getrefcount(w), 2)
+        self.assertEqual(getrefcount(ow), 2)
+
+
 if __name__ == '__main__':
     unittest.main()