diff options
Diffstat (limited to 'Lib/dos-8x3/test_zli.py')
| -rw-r--r-- | Lib/dos-8x3/test_zli.py | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/Lib/dos-8x3/test_zli.py b/Lib/dos-8x3/test_zli.py new file mode 100644 index 0000000..62c2604 --- /dev/null +++ b/Lib/dos-8x3/test_zli.py @@ -0,0 +1,145 @@ +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 + +co = zlib.compressobj(8, 8, -15) +x1 = co.compress(buf) +x2 = co.flush() +x = x1 + x2 + +dc = zlib.decompressobj(-15) +y1 = dc.decompress(x) +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. + + Make the compression algorithm work a little harder. + """ + + """ +LAERTES + + O, fear me not. + I stay too long: but here my father comes. + + Enter POLONIUS + + A double blessing is a double grace, + Occasion smiles upon a second leave. + +LORD POLONIUS + + Yet here, Laertes! aboard, aboard, for shame! + The wind sits in the shoulder of your sail, + And you are stay'd for. There; my blessing with thee! + And these few precepts in thy memory + See thou character. Give thy thoughts no tongue, + Nor any unproportioned thought his act. + Be thou familiar, but by no means vulgar. + Those friends thou hast, and their adoption tried, + Grapple them to thy soul with hoops of steel; + But do not dull thy palm with entertainment + Of each new-hatch'd, unfledged comrade. Beware + Of entrance to a quarrel, but being in, + Bear't that the opposed may beware of thee. + Give every man thy ear, but few thy voice; + Take each man's censure, but reserve thy judgment. + Costly thy habit as thy purse can buy, + But not express'd in fancy; rich, not gaudy; + For the apparel oft proclaims the man, + And they in France of the best rank and station + Are of a most select and generous chief in that. + Neither a borrower nor a lender be; + For loan oft loses both itself and friend, + And borrowing dulls the edge of husbandry. + This above all: to thine ownself be true, + And it must follow, as the night the day, + Thou canst not then be false to any man. + Farewell: my blessing season this in thee! + +LAERTES + + Most humbly do I take my leave, my lord. + +LORD POLONIUS + + The time invites you; go; your servants tend. + +LAERTES + + Farewell, Ophelia; and remember well + What I have said to you. + +OPHELIA + + 'Tis in my memory lock'd, + And you yourself shall keep the key of it. + +LAERTES + + Farewell. +""" + |