diff options
| author | Raymond Hettinger <python@rcn.com> | 2009-01-27 13:26:35 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2009-01-27 13:26:35 (GMT) |
| commit | 560f9a8a9004ba0a2ee064e9ad83f413d091b2fa (patch) | |
| tree | 7447f469ab39b6d0c4bcb1e365954ce1eb300e13 | |
| parent | 2f6c2e03a8be51c52b5fb4fadd1214e30d09ecc3 (diff) | |
| download | cpython-560f9a8a9004ba0a2ee064e9ad83f413d091b2fa.zip cpython-560f9a8a9004ba0a2ee064e9ad83f413d091b2fa.tar.gz cpython-560f9a8a9004ba0a2ee064e9ad83f413d091b2fa.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 f6a9975..1ba43f7 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -1491,6 +1491,12 @@ 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'] |