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42 lines
869 B
Python
42 lines
869 B
Python
from tester import *
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from PIL import Image
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def test_white():
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i = Image.open('Tests/images/lab.tif')
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bits = i.load()
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assert_equal(i.mode, 'LAB')
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assert_equal(i.getbands(), ('L','A', 'B'))
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k = i.getpixel((0,0))
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assert_equal(k, (255,128,128))
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L = i.getdata(0)
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a = i.getdata(1)
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b = i.getdata(2)
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assert_equal(list(L), [255]*100)
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assert_equal(list(a), [128]*100)
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assert_equal(list(b), [128]*100)
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def test_green():
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# l= 50 (/100), a = -100 (-128 .. 128) b=0 in PS
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# == RGB: 0, 152, 117
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i = Image.open('Tests/images/lab-green.tif')
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k = i.getpixel((0,0))
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assert_equal(k, (128,28,128))
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def test_red():
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# l= 50 (/100), a = 100 (-128 .. 128) b=0 in PS
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# == RGB: 255, 0, 124
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i = Image.open('Tests/images/lab-red.tif')
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k = i.getpixel((0,0))
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assert_equal(k, (128,228,128))
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