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29 lines
1.1 KiB
Python
29 lines
1.1 KiB
Python
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from tester import *
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from PIL import Image
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from PIL import ImagePalette
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def test_putpalette():
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def palette(mode):
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im = lena(mode).copy()
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im.putpalette(list(range(256))*3)
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p = im.getpalette()
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if p:
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return im.mode, p[:10]
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return im.mode
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assert_exception(ValueError, lambda: palette("1"))
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assert_equal(palette("L"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
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assert_equal(palette("P"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))
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assert_exception(ValueError, lambda: palette("I"))
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assert_exception(ValueError, lambda: palette("F"))
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assert_exception(ValueError, lambda: palette("RGB"))
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assert_exception(ValueError, lambda: palette("RGBA"))
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assert_exception(ValueError, lambda: palette("YCbCr"))
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def test_imagepalette():
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im = lena("P")
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assert_no_exception(lambda: im.putpalette(ImagePalette.negative()))
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assert_no_exception(lambda: im.putpalette(ImagePalette.random()))
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assert_no_exception(lambda: im.putpalette(ImagePalette.sepia()))
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assert_no_exception(lambda: im.putpalette(ImagePalette.wedge()))
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