Created unit test for bug #811.

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

tests/QtGui/CMakeLists.txt

@@ -52,6 +52,7 @@ PYSIDE_TEST(bug_740.py)
 PYSIDE_TEST(bug_743.py)
 PYSIDE_TEST(bug_750.py)
 PYSIDE_TEST(bug_793.py)
+PYSIDE_TEST(bug_811.py)
 PYSIDE_TEST(customproxywidget_test.py)
 PYSIDE_TEST(deepcopy_test.py)
 PYSIDE_TEST(float_to_int_implicit_conversion_test.py)

tests/QtGui/bug_811.py

@@ -0,0 +1,32 @@
+import unittest
+import sys
+import weakref
+
+from helper import UsesQApplication
+
+from PySide.QtGui import QTextBlockUserData, QTextEdit, QTextCursor
+
+class TestUserData(QTextBlockUserData):
+    def __init__(self, data):
+        super(TestUserData, self).__init__()
+        self.data = data
+
+class TestUserDataRefCount(UsesQApplication):
+    def testRefcount(self):
+        textedit = QTextEdit()
+        textedit.setReadOnly(True)
+        doc = textedit.document()
+        cursor = QTextCursor(doc)
+        cursor.insertText("PySide Rocks")
+        ud = TestUserData({"Life": 42})
+        self.assertEqual(sys.getrefcount(ud), 2)
+        cursor.block().setUserData(ud)
+        self.assertEqual(sys.getrefcount(ud), 3)
+        ud2 = cursor.block().userData()
+        self.assertEqual(sys.getrefcount(ud), 4)
+        self.udata = weakref.ref(ud, None)
+        del ud, ud2
+        self.assertEqual(sys.getrefcount(self.udata()), 2)
+
+if __name__ == '__main__':
+    unittest.main()