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'''Test cases for QTextEdit and ownership problems.'''
import unittest
from sys import getrefcount
from PySide.QtGui import QTextEdit
from helper import UsesQApplication
class DontTouchReference(UsesQApplication):
'''Check if the QTextTable returned by QTextCursor.insertTable() is not
referenced by the QTextCursor that returns it.'''
def setUp(self):
super(DontTouchReference, self).setUp()
self.editor = QTextEdit()
self.cursor = self.editor.textCursor()
self.table = self.cursor.insertTable(1, 1)
def testQTextTable(self):
# methods which return QTextTable should not increment its reference
self.assertEqual(getrefcount(self.table), 2)
f = self.cursor.currentFrame()
del f
self.assertEqual(getrefcount(self.table), 2)
# destroying the cursor should not raise any "RuntimeError: internal
# C++ object already deleted." when accessing the QTextTable
del self.cursor
self.assertEqual(getrefcount(self.table), 2)
cell = self.table.cellAt(0, 0)
if __name__ == "__main__":
unittest.main()
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