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- from test.test_support import TestFailed, have_unicode
-
- class base_set:
-
- def __init__(self, el):
- self.el = el
-
- class set(base_set):
-
- def __contains__(self, el):
- return self.el == el
-
- class seq(base_set):
-
- def __getitem__(self, n):
- return [self.el][n]
-
- def check(ok, *args):
- if not ok:
- raise TestFailed, " ".join(map(str, args))
-
- a = base_set(1)
- b = set(1)
- c = seq(1)
-
- check(1 in b, "1 not in set(1)")
- check(0 not in b, "0 in set(1)")
- check(1 in c, "1 not in seq(1)")
- check(0 not in c, "0 in seq(1)")
-
- try:
- 1 in a
- check(0, "in base_set did not raise error")
- except TypeError:
- pass
-
- try:
- 1 not in a
- check(0, "not in base_set did not raise error")
- except TypeError:
- pass
-
- # Test char in string
-
- check('c' in 'abc', "'c' not in 'abc'")
- check('d' not in 'abc', "'d' in 'abc'")
-
- check('' in '', "'' not in ''")
- check('' in 'abc', "'' not in 'abc'")
-
- try:
- None in 'abc'
- check(0, "None in 'abc' did not raise error")
- except TypeError:
- pass
-
-
- if have_unicode:
-
- # Test char in Unicode
-
- check('c' in unicode('abc'), "'c' not in u'abc'")
- check('d' not in unicode('abc'), "'d' in u'abc'")
-
- check('' in unicode(''), "'' not in u''")
- check(unicode('') in '', "u'' not in ''")
- check(unicode('') in unicode(''), "u'' not in u''")
- check('' in unicode('abc'), "'' not in u'abc'")
- check(unicode('') in 'abc', "u'' not in 'abc'")
- check(unicode('') in unicode('abc'), "u'' not in u'abc'")
-
- try:
- None in unicode('abc')
- check(0, "None in u'abc' did not raise error")
- except TypeError:
- pass
-
- # Test Unicode char in Unicode
-
- check(unicode('c') in unicode('abc'), "u'c' not in u'abc'")
- check(unicode('d') not in unicode('abc'), "u'd' in u'abc'")
-
- # Test Unicode char in string
-
- check(unicode('c') in 'abc', "u'c' not in 'abc'")
- check(unicode('d') not in 'abc', "u'd' in 'abc'")
-
- # A collection of tests on builtin sequence types
- a = range(10)
- for i in a:
- check(i in a, "%s not in %s" % (`i`, `a`))
- check(16 not in a, "16 not in %s" % `a`)
- check(a not in a, "%s not in %s" % (`a`, `a`))
-
- a = tuple(a)
- for i in a:
- check(i in a, "%s not in %s" % (`i`, `a`))
- check(16 not in a, "16 not in %s" % `a`)
- check(a not in a, "%s not in %s" % (`a`, `a`))
-
- class Deviant1:
- """Behaves strangely when compared
-
- This class is designed to make sure that the contains code
- works when the list is modified during the check.
- """
-
- aList = range(15)
-
- def __cmp__(self, other):
- if other == 12:
- self.aList.remove(12)
- self.aList.remove(13)
- self.aList.remove(14)
- return 1
-
- check(Deviant1() not in Deviant1.aList, "Deviant1 failed")
-
- class Deviant2:
- """Behaves strangely when compared
-
- This class raises an exception during comparison. That in
- turn causes the comparison to fail with a TypeError.
- """
-
- def __cmp__(self, other):
- if other == 4:
- raise RuntimeError, "gotcha"
-
- try:
- check(Deviant2() not in a, "oops")
- except TypeError:
- pass
-