mirror of https://github.com/python/cpython.git
42 lines
687 B
Python
42 lines
687 B
Python
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from test_support import TestFailed
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class base_set:
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def __init__(self, el):
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self.el = el
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class set(base_set):
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def __contains__(self, el):
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return self.el == el
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class seq(base_set):
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def __getitem__(self, n):
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return [self.el][n]
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def check(ok, *args):
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if not ok:
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raise TestFailed, join(map(str, args), " ")
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a = base_set(1)
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b = set(1)
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c = seq(1)
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check(1 in b, "1 not in set(1)")
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check(0 not in b, "0 in set(1)")
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check(1 in c, "1 not in seq(1)")
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check(0 not in c, "0 in seq(1)")
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try:
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1 in a
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check(0, "in base_set did not raise error")
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except AttributeError:
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pass
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try:
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1 not in a
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check(0, "not in base_set did not raise error")
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except AttributeError:
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pass
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