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| author | Raymond Hettinger <python@rcn.com> | 2003-08-31 04:35:24 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2003-08-31 04:35:24 (GMT) |
| commit | 6d362b25c5125070ddd58f0bfaf79cb67e4f2cd4 (patch) | |
| tree | bf36e5ac8c56423927d48653053c48cf4aa4355c /Lib/test/test_zlib.py | |
| parent | 9d12ab5c3ce50013dac0af03c3a1bf061aaa9731 (diff) | |
| download | cpython-6d362b25c5125070ddd58f0bfaf79cb67e4f2cd4.zip cpython-6d362b25c5125070ddd58f0bfaf79cb67e4f2cd4.tar.gz cpython-6d362b25c5125070ddd58f0bfaf79cb67e4f2cd4.tar.bz2 | |
SF bug #785222: zlib monotonic test
For smaller datasets, it is not always true the increasing the compression
level always results in better compression. Removed the test which made
this invalid assumption.
Diffstat (limited to 'Lib/test/test_zlib.py')
| -rw-r--r-- | Lib/test/test_zlib.py | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py index c703964..3ad255f 100644 --- a/Lib/test/test_zlib.py +++ b/Lib/test/test_zlib.py @@ -96,17 +96,6 @@ class CompressTestCase(unittest.TestCase): x = zlib.compress(data) self.assertEqual(zlib.decompress(x), data) - def test_monotonic(self): - # higher compression levels should not expand compressed size - data = hamlet_scene * 8 * 16 - last = length = len(zlib.compress(data, 0)) - self.failUnless(last > len(data), "compress level 0 always expands") - for level in range(10): - length = len(zlib.compress(data, level)) - self.failUnless(length <= last, - 'compress level %d more effective than %d!' % ( - level-1, level)) - last = length |