[Zodb-checkins] CVS: Zope3/lib/python/Interface/tests - testSorting.py:1.2

[Jim Fulton]

Update of /cvs-repository/Zope3/lib/python/Interface/tests
In directory cvs.zope.org:/tmp/cvs-serv4268/tests

Added Files:
	testSorting.py 
Log Message:
Made interfaces orderable (so that lists of interfaces would be sortable).


=== Zope3/lib/python/Interface/tests/testSorting.py 1.1 => 1.2 ===
--- /dev/null	Mon Nov 18 15:41:19 2002
+++ Zope3/lib/python/Interface/tests/testSorting.py	Mon Nov 18 15:41:18 2002
@@ -0,0 +1,49 @@
+##############################################################################
+#
+# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.0 (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
+
+$Id$
+"""
+
+from unittest import TestCase, TestSuite, main, makeSuite
+
+from 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')