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# Testing rgbimg module
import rgbimg, os, uu
from test_support import verbose, unlink, findfile
class error(Exception):
pass
print 'RGBimg test suite:'
def testimg(rgb_file, raw_file):
rgb_file = findfile(rgb_file)
raw_file = findfile(raw_file)
width, height = rgbimg.sizeofimage(rgb_file)
rgb = rgbimg.longimagedata(rgb_file)
if len(rgb) != width * height * 4:
raise error, 'bad image length'
raw = open(raw_file, 'rb').read()
if rgb != raw:
raise error, \
'images don\'t match for '+rgb_file+' and '+raw_file
for depth in [1, 3, 4]:
rgbimg.longstoimage(rgb, width, height, depth, '@.rgb')
os.unlink('@.rgb')
table = [
('testrgb.uue', 'test.rgb'),
('testimg.uue', 'test.rawimg'),
('testimgr.uue', 'test.rawimg.rev'),
]
for source, target in table:
source = findfile(source)
target = findfile(target)
if verbose:
print "uudecoding", source, "->", target, "..."
uu.decode(source, target)
if verbose:
print "testing..."
ttob = rgbimg.ttob(0)
if ttob != 0:
raise error, 'ttob should start out as zero'
testimg('test.rgb', 'test.rawimg')
ttob = rgbimg.ttob(1)
if ttob != 0:
raise error, 'ttob should be zero'
testimg('test.rgb', 'test.rawimg.rev')
ttob = rgbimg.ttob(0)
if ttob != 1:
raise error, 'ttob should be one'
ttob = rgbimg.ttob(0)
if ttob != 0:
raise error, 'ttob should be zero'
for source, target in table:
unlink(findfile(target))
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