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Code Issues Projects Releases Packages Wiki Activity Actions 8

Fix some set algebra methods of WeakSet objects.

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This commit is contained in:
Antoine Pitrou 2012-03-04 20:47:05 +01:00
parent de89d4b097
commit 9c47ac05d1
2 changed files with 30 additions and 33 deletions
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22
Lib/test/test_weakset.py
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@ -71,6 +71,11 @@ class TestWeakSet(unittest.TestCase):
x = WeakSet(self.items + self.items2)
c = C(self.items2)
self.assertEqual(self.s.union(c), x)
del c
self.assertEqual(len(u), len(self.items) + len(self.items2))
self.items2.pop()
gc.collect()
self.assertEqual(len(u), len(self.items) + len(self.items2))
def test_or(self):
i = self.s.union(self.items2)
@ -78,14 +83,19 @@ class TestWeakSet(unittest.TestCase):
self.assertEqual(self.s | frozenset(self.items2), i)
def test_intersection(self):
i = self.s.intersection(self.items2)
s = WeakSet(self.letters)
i = s.intersection(self.items2)
for c in self.letters:
self.assertEqual(c in i, c in self.d and c in self.items2)
self.assertEqual(self.s, WeakSet(self.items))
self.assertEqual(c in i, c in self.items2 and c in self.letters)
self.assertEqual(s, WeakSet(self.letters))
self.assertEqual(type(i), WeakSet)
for C in set, frozenset, dict.fromkeys, list, tuple:
x = WeakSet([])
self.assertEqual(self.s.intersection(C(self.items2)), x)
self.assertEqual(i.intersection(C(self.items)), x)
self.assertEqual(len(i), len(self.items2))
self.items2.pop()
gc.collect()
self.assertEqual(len(i), len(self.items2))
def test_isdisjoint(self):
self.assertTrue(self.s.isdisjoint(WeakSet(self.items2)))
@ -116,6 +126,10 @@ class TestWeakSet(unittest.TestCase):
self.assertEqual(self.s, WeakSet(self.items))
self.assertEqual(type(i), WeakSet)
self.assertRaises(TypeError, self.s.symmetric_difference, [[]])
self.assertEqual(len(i), len(self.items) + len(self.items2))
self.items2.pop()
gc.collect()
self.assertEqual(len(i), len(self.items) + len(self.items2))
def test_xor(self):
i = self.s.symmetric_difference(self.items2)