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Fix SF bug #1448804 and ad a test to ensure that all subscript operations continue to be handled correctly

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This commit is contained in:
Nick Coghlan 2006-03-13 12:31:58 +00:00
parent bfa8bd7b65
commit eadee9a744
2 changed files with 101 additions and 24 deletions
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72
Lib/test/test_compile.py
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@ -284,6 +284,78 @@ if 1:
f1, f2 = f()
self.assertNotEqual(id(f1.func_code), id(f2.func_code))
def test_subscripts(self):
# SF bug 1448804
# Class to make testing subscript results easy
class str_map(object):
def __init__(self):
self.data = {}
def __getitem__(self, key):
return self.data[str(key)]
def __setitem__(self, key, value):
self.data[str(key)] = value
def __delitem__(self, key):
del self.data[str(key)]
def __contains__(self, key):
return str(key) in self.data
d = str_map()
# Index
d[1] = 1
self.assertEqual(d[1], 1)
d[1] += 1
self.assertEqual(d[1], 2)
del d[1]
self.assertEqual(1 in d, False)
# Tuple of indices
d[1, 1] = 1
self.assertEqual(d[1, 1], 1)
d[1, 1] += 1
self.assertEqual(d[1, 1], 2)
del d[1, 1]
self.assertEqual((1, 1) in d, False)
# Simple slice
d[1:2] = 1
self.assertEqual(d[1:2], 1)
d[1:2] += 1
self.assertEqual(d[1:2], 2)
del d[1:2]
self.assertEqual(slice(1, 2) in d, False)
# Tuple of simple slices
d[1:2, 1:2] = 1
self.assertEqual(d[1:2, 1:2], 1)
d[1:2, 1:2] += 1
self.assertEqual(d[1:2, 1:2], 2)
del d[1:2, 1:2]
self.assertEqual((slice(1, 2), slice(1, 2)) in d, False)
# Extended slice
d[1:2:3] = 1
self.assertEqual(d[1:2:3], 1)
d[1:2:3] += 1
self.assertEqual(d[1:2:3], 2)
del d[1:2:3]
self.assertEqual(slice(1, 2, 3) in d, False)
# Tuple of extended slices
d[1:2:3, 1:2:3] = 1
self.assertEqual(d[1:2:3, 1:2:3], 1)
d[1:2:3, 1:2:3] += 1
self.assertEqual(d[1:2:3, 1:2:3], 2)
del d[1:2:3, 1:2:3]
self.assertEqual((slice(1, 2, 3), slice(1, 2, 3)) in d, False)
# Ellipsis
d[...] = 1
self.assertEqual(d[...], 1)
d[...] += 1
self.assertEqual(d[...], 2)
del d[...]
self.assertEqual(Ellipsis in d, False)
# Tuple of Ellipses
d[..., ...] = 1
self.assertEqual(d[..., ...], 1)
d[..., ...] += 1
self.assertEqual(d[..., ...], 2)
del d[..., ...]
self.assertEqual((Ellipsis, Ellipsis) in d, False)
def test_main():
test_support.run_unittest(TestSpecifics)