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Add unit tests for set ops on dict.items().

This commit is contained in:
Guido van Rossum 2007-08-24 23:43:52 +00:00
parent 523259ba07
commit be534719da
1 changed files with 15 additions and 2 deletions
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17
Lib/test/test_dict.py
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@ -458,7 +458,7 @@ class DictTest(unittest.TestCase):
self.assertRaises(RuntimeError, lambda: d2.items() < d3.items()) self.assertRaises(RuntimeError, lambda: d2.items() < d3.items())
self.assertRaises(RuntimeError, lambda: d3.items() > d2.items()) self.assertRaises(RuntimeError, lambda: d3.items() > d2.items())
def test_dictview_set_operations(self): def test_dictview_set_operations_on_keys(self):
k1 = {1:1, 2:2}.keys() k1 = {1:1, 2:2}.keys()
k2 = {1:1, 2:2, 3:3}.keys() k2 = {1:1, 2:2, 3:3}.keys()
k3 = {4:4}.keys() k3 = {4:4}.keys()
@ -473,7 +473,20 @@ class DictTest(unittest.TestCase):
self.assertEquals(k1 ^ k2, {3}) self.assertEquals(k1 ^ k2, {3})
self.assertEquals(k1 ^ k3, {1,2,4}) self.assertEquals(k1 ^ k3, {1,2,4})
# XXX similar tests for .items() def test_dictview_set_operations_on_items(self):
k1 = {1:1, 2:2}.items()
k2 = {1:1, 2:2, 3:3}.items()
k3 = {4:4}.items()
self.assertEquals(k1 - k2, set())
self.assertEquals(k1 - k3, {(1,1), (2,2)})
self.assertEquals(k2 - k1, {(3,3)})
self.assertEquals(k3 - k1, {(4,4)})
self.assertEquals(k1 & k2, {(1,1), (2,2)})
self.assertEquals(k1 & k3, set())
self.assertEquals(k1 | k2, {(1,1), (2,2), (3,3)})
self.assertEquals(k1 ^ k2, {(3,3)})
self.assertEquals(k1 ^ k3, {(1,1), (2,2), (4,4)})
def test_missing(self): def test_missing(self):
# Make sure dict doesn't have a __missing__ method # Make sure dict doesn't have a __missing__ method