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Let set.intersection() and set.intersection_update() take multiple input arguments.

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This commit is contained in:
Raymond Hettinger 2008-06-09 13:07:27 +00:00
parent d623414141
commit 5c4d3d0e4c
4 changed files with 54 additions and 8 deletions
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6
Lib/test/test_set.py
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@ -103,6 +103,7 @@ class TestJointOps(unittest.TestCase):
self.assertEqual(self.thetype('abcba').intersection(C('efgfe')), set(''))
self.assertEqual(self.thetype('abcba').intersection(C('ccb')), set('bc'))
self.assertEqual(self.thetype('abcba').intersection(C('ef')), set(''))
self.assertEqual(self.thetype('abcba').intersection(C('cbcf'), C('bag')), set('b'))
def test_isdisjoint(self):
def f(s1, s2):
@ -429,6 +430,11 @@ class TestSet(TestJointOps):
s = self.thetype('abcba')
self.assertEqual(s.intersection_update(C(p)), None)
self.assertEqual(s, set(q))
ss = 'abcba'
s = self.thetype(ss)
t = 'cbc'
self.assertEqual(s.intersection_update(C(p), C(t)), None)
self.assertEqual(s, set('abcba')&set(p)&set(t))
def test_iand(self):
self.s &= set(self.otherword)