[Python-checkins] python/dist/src/Lib/test test_zlib.py, 1.23, 1.23.8.1

[rhettinger at users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Lib/test
In directory sc8-pr-cvs1:/tmp/cvs-serv6632

Modified Files:
      Tag: release23-maint
	test_zlib.py 
Log Message:
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.



Index: test_zlib.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_zlib.py,v
retrieving revision 1.23
retrieving revision 1.23.8.1
diff -C2 -d -r1.23 -r1.23.8.1
*** test_zlib.py	1 May 2003 17:45:56 -0000	1.23
--- test_zlib.py	31 Aug 2003 04:37:25 -0000	1.23.8.1
***************
*** 97,111 ****
          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
  
  
--- 97,100 ----