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| author | Antoine Pitrou <solipsis@pitrou.net> | 2013-10-05 19:12:18 (GMT) |
|---|---|---|
| committer | Antoine Pitrou <solipsis@pitrou.net> | 2013-10-05 19:12:18 (GMT) |
| commit | 5df8a8a1fd6cc6f4469dc7d3994d06e2aea24c52 (patch) | |
| tree | 3e56cec37fe9182adb7ae56eacdc68149dfb1981 /Lib/test/test_bytes.py | |
| parent | dcd01b49329d5596c3ad3254ae9eeabd15f100d2 (diff) | |
| download | cpython-5df8a8a1fd6cc6f4469dc7d3994d06e2aea24c52.zip cpython-5df8a8a1fd6cc6f4469dc7d3994d06e2aea24c52.tar.gz cpython-5df8a8a1fd6cc6f4469dc7d3994d06e2aea24c52.tar.bz2 | |
Issue #19087: Improve bytearray allocation in order to allow cheap popping of data at the front (slice deletion).
Diffstat (limited to 'Lib/test/test_bytes.py')
| -rw-r--r-- | Lib/test/test_bytes.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py index f12f911..847c7a6 100644 --- a/Lib/test/test_bytes.py +++ b/Lib/test/test_bytes.py @@ -909,6 +909,15 @@ class ByteArrayTest(BaseBytesTest, unittest.TestCase): with self.assertRaises(ValueError): b[3:4] = elem + def test_setslice_extend(self): + # Exercise the resizing logic (see issue #19087) + b = bytearray(range(100)) + self.assertEqual(list(b), list(range(100))) + del b[:10] + self.assertEqual(list(b), list(range(10, 100))) + b.extend(range(100, 110)) + self.assertEqual(list(b), list(range(10, 110))) + def test_extended_set_del_slice(self): indices = (0, None, 1, 3, 19, 300, 1<<333, -1, -2, -31, -300) for start in indices: |