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##############################################################################
#
# Copyright (c) 2001-2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Test interface sorting
$Id: test_sorting.py 105433 2009-11-02 08:33:25Z ctheune $
"""
from unittest import TestCase, TestSuite, main, makeSuite
from zope.interface import Interface
class I1(Interface): pass
class I2(I1): pass
class I3(I1): pass
class I4(Interface): pass
class I5(I4): pass
class I6(I2): pass
class Test(TestCase):
def test(self):
l = [I1, I3, I5, I6, I4, I2]
l.sort()
self.assertEqual(l, [I1, I2, I3, I4, I5, I6])
def test_w_None(self):
l = [I1, None, I3, I5, None, I6, I4, I2]
l.sort()
self.assertEqual(l, [I1, I2, I3, I4, I5, I6, None, None])
def test_suite():
return TestSuite((
makeSuite(Test),
))
if __name__=='__main__':
main(defaultTest='test_suite')
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