mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Issue #9212: Added the missing isdisjoint method to the dict_keys and

Browse source 
dict_items views.  The method is required by the collections.Set ABC,
which the views register as supporting.
This commit is contained in:
Daniel Stutzbach 2010-09-02 15:06:06 +00:00
parent 928d4eeee8
commit 045b3ba184
4 changed files with 101 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

35
Lib/test/test_dictviews.py
View file

@ -112,6 +112,24 @@ class DictSetTest(unittest.TestCase):
self.assertEqual(d1.keys() ^ set(d3.keys()),
{'a', 'b', 'd', 'e'})
self.assertFalse(d1.keys().isdisjoint(d1.keys()))
self.assertFalse(d1.keys().isdisjoint(d2.keys()))
self.assertFalse(d1.keys().isdisjoint(list(d2.keys())))
self.assertFalse(d1.keys().isdisjoint(set(d2.keys())))
self.assertTrue(d1.keys().isdisjoint({'x', 'y', 'z'}))
self.assertTrue(d1.keys().isdisjoint(['x', 'y', 'z']))
self.assertTrue(d1.keys().isdisjoint(set(['x', 'y', 'z'])))
self.assertTrue(d1.keys().isdisjoint(set(['x', 'y'])))
self.assertTrue(d1.keys().isdisjoint(['x', 'y']))
self.assertTrue(d1.keys().isdisjoint({}))
self.assertTrue(d1.keys().isdisjoint(d3.keys()))
de = {}
self.assertTrue(de.keys().isdisjoint(set()))
self.assertTrue(de.keys().isdisjoint([]))
self.assertTrue(de.keys().isdisjoint(de.keys()))
self.assertTrue(de.keys().isdisjoint([1]))
def test_items_set_operations(self):
d1 = {'a': 1, 'b': 2}
d2 = {'a': 2, 'b': 2}
@ -144,6 +162,23 @@ class DictSetTest(unittest.TestCase):
self.assertEqual(d1.items() ^ d3.items(),
{('a', 1), ('b', 2), ('d', 4), ('e', 5)})
self.assertFalse(d1.items().isdisjoint(d1.items()))
self.assertFalse(d1.items().isdisjoint(d2.items()))
self.assertFalse(d1.items().isdisjoint(list(d2.items())))
self.assertFalse(d1.items().isdisjoint(set(d2.items())))
self.assertTrue(d1.items().isdisjoint({'x', 'y', 'z'}))
self.assertTrue(d1.items().isdisjoint(['x', 'y', 'z']))
self.assertTrue(d1.items().isdisjoint(set(['x', 'y', 'z'])))
self.assertTrue(d1.items().isdisjoint(set(['x', 'y'])))
self.assertTrue(d1.items().isdisjoint({}))
self.assertTrue(d1.items().isdisjoint(d3.items()))
de = {}
self.assertTrue(de.items().isdisjoint(set()))
self.assertTrue(de.items().isdisjoint([]))
self.assertTrue(de.items().isdisjoint(de.items()))
self.assertTrue(de.items().isdisjoint([1]))
def test_main():
support.run_unittest(DictSetTest)