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author | Guido van Rossum <guido@python.org> | 2000-03-06 21:00:29 +0000 |
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committer | Guido van Rossum <guido@python.org> | 2000-03-06 21:00:29 +0000 |
commit | 065f1971c1ee99d9b864dfe947f5dc2ecfbcd731 (patch) | |
tree | cda5f4d9040c96693fc4c823bc7913c3127ca393 /Lib/test/test_contains.py | |
parent | 1e10bdf0bf72bfb9f6635f53a2512e5529632cdf (diff) | |
download | cpython-065f1971c1ee99d9b864dfe947f5dc2ecfbcd731.tar.gz |
Test cases for __contains__ code, by Moshe Zadka.
Diffstat (limited to 'Lib/test/test_contains.py')
-rw-r--r-- | Lib/test/test_contains.py | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Lib/test/test_contains.py b/Lib/test/test_contains.py new file mode 100644 index 0000000000..a7ad5746a7 --- /dev/null +++ b/Lib/test/test_contains.py @@ -0,0 +1,41 @@ +from test_support import TestFailed + +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 AttributeError: + pass + +try: + 1 not in a + check(0, "not in base_set did not raise error") +except AttributeError: + pass |