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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 | |
| 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.
| -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 |