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# Testing rgbimg module
import rgbimg, os
error = 'test_rgbimg.error'
print 'RGBimg test suite:'
def findfile(file):
if os.path.isabs(file): return file
import sys
for dn in sys.path:
fn = os.path.join(dn, file)
if os.path.exists(fn): return fn
return file
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, 'r').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')
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'
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