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| author | Raymond Hettinger <python@rcn.com> | 2011-01-25 21:43:29 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2011-01-25 21:43:29 (GMT) |
| commit | 57a8689b55ee3a26f53b4b743901b3a55b57b46c (patch) | |
| tree | 9a6f76c1a36b8a510baa7b9ca4f0cf58cd326d47 /Lib/test | |
| parent | 51581de168f1c931b144fb8c61cdfbaf2c53734f (diff) | |
| download | cpython-57a8689b55ee3a26f53b4b743901b3a55b57b46c.zip cpython-57a8689b55ee3a26f53b4b743901b3a55b57b46c.tar.gz cpython-57a8689b55ee3a26f53b4b743901b3a55b57b46c.tar.bz2 | |
Issue 11004: Fix edge case for deque.count().
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_deque.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py index 1d3f726..a0d30f1 100644 --- a/Lib/test/test_deque.py +++ b/Lib/test/test_deque.py @@ -137,6 +137,15 @@ class TestBasic(unittest.TestCase): m.d = d self.assertRaises(RuntimeError, d.count, 3) + # test issue11004 + # block advance failed after rotation aligned elements on right side of block + d = deque([None]*16) + for i in range(len(d)): + d.rotate(-1) + d.rotate(1) + self.assertEqual(d.count(1), 0) + self.assertEqual(d.count(None), 16) + def test_comparisons(self): d = deque('xabc'); d.popleft() for e in [d, deque('abc'), deque('ab'), deque(), list(d)]: |