diff options
| -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'] |