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authorJeremy Hylton <jeremy@alum.mit.edu>1997-09-04 23:41:37 (GMT)
committerJeremy Hylton <jeremy@alum.mit.edu>1997-09-04 23:41:37 (GMT)
commit9dc2b8ee073c26d27e712b5bb78f0bd7285fd1f9 (patch)
tree87a61a82d2cdcac6b870c563bc8f2210598cba58 /Lib/test/test_zlib.py
parentcb914048907abe65ed2ada5cb9b638b394a39cc0 (diff)
downloadcpython-9dc2b8ee073c26d27e712b5bb78f0bd7285fd1f9.zip
cpython-9dc2b8ee073c26d27e712b5bb78f0bd7285fd1f9.tar.gz
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Many more tests, including tests of many optional arguments.
Diffstat (limited to 'Lib/test/test_zlib.py')
-rw-r--r--Lib/test/test_zlib.py47
1 files changed, 47 insertions, 0 deletions
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index 2e93480..62c2604 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -1,16 +1,37 @@
import zlib
import sys
import imp
+import string
t = imp.find_module('test_zlib')
file = t[0]
buf = file.read() * 8
file.close()
+# test the chucksums
+print zlib.crc32('penguin'), zlib.crc32('penguin', 1)
+print zlib.adler32('penguin'), zlib.adler32('penguin', 1)
+
+# make sure we generate some expected errors
+try:
+ zlib.compress('ERROR', zlib.MAX_WBITS + 1)
+except zlib.error, msg:
+ print "expecting", msg
+try:
+ zlib.compressobj(1, 8, 0)
+except ValueError, msg:
+ print "expecting", msg
+try:
+ zlib.decompressobj(0)
+except ValueError, msg:
+ print "expecting", msg
+
x = zlib.compress(buf)
y = zlib.decompress(x)
if buf != y:
print "normal compression/decompression failed"
+else:
+ print "normal compression/decompression succeeded"
buf = buf * 16
@@ -25,6 +46,32 @@ y2 = dc.flush()
y = y1 + y2
if buf != y:
print "compress/decompression obj failed"
+else:
+ print "compress/decompression obj succeeded"
+
+co = zlib.compressobj(2, 8, -12, 9, 1)
+bufs = []
+for i in range(0, len(buf), 256):
+ bufs.append(co.compress(buf[i:i+256]))
+bufs.append(co.flush())
+combuf = string.join(bufs, '')
+
+decomp1 = zlib.decompress(combuf, -12, -5)
+if decomp1 != buf:
+ print "decompress with init options failed"
+else:
+ print "decompress with init options succeeded"
+
+deco = zlib.decompressobj(-12)
+bufs = []
+for i in range(0, len(combuf), 128):
+ bufs.append(deco.decompress(combuf[i:i+128]))
+bufs.append(deco.flush())
+decomp2 = string.join(buf, '')
+if decomp2 != buf:
+ print "decompressobj with init options failed"
+else:
+ print "decompressobj with init options succeeded"
def ignore():
"""An empty function with a big string.