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| author | Raymond Hettinger <python@rcn.com> | 2009-01-27 13:29:43 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2009-01-27 13:29:43 (GMT) |
| commit | 191e850053128f726d6562e1d8306dfe5e4aa8aa (patch) | |
| tree | 27aa81971e103f39f10df4867c123b2a9c2021c6 | |
| parent | 3471b1c865130911e7960f7754164a57e0d652c5 (diff) | |
| download | cpython-191e850053128f726d6562e1d8306dfe5e4aa8aa.zip cpython-191e850053128f726d6562e1d8306dfe5e4aa8aa.tar.gz cpython-191e850053128f726d6562e1d8306dfe5e4aa8aa.tar.bz2 | |
Add more tests for the powerset() recipe.
| -rw-r--r-- | Lib/test/test_itertools.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index 01409b3..f69ad26 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -1512,6 +1512,12 @@ perform as purported. >>> list(powerset([1,2,3])) [(), (1,), (2,), (3,), (1, 2), (1, 3), (2, 3), (1, 2, 3)] +>>> all(len(list(powerset(range(n)))) == 2**n for n in range(18)) +True + +>>> list(powerset('abcde')) == sorted(sorted(set(powerset('abcde'))), key=len) +True + >>> list(unique_everseen('AAAABBBCCDAABBB')) ['A', 'B', 'C', 'D'] |