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45 lines
891 B
Python
45 lines
891 B
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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ImagePalette = ImagePalette.ImagePalette
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def test_sanity():
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assert_no_exception(lambda: ImagePalette("RGB", list(range(256))*3))
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assert_exception(ValueError, lambda: ImagePalette("RGB", list(range(256))*2))
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def test_getcolor():
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palette = ImagePalette()
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map = {}
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for i in range(256):
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map[palette.getcolor((i, i, i))] = i
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assert_equal(len(map), 256)
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assert_exception(ValueError, lambda: palette.getcolor((1, 2, 3)))
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def test_file():
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palette = ImagePalette()
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file = tempfile("temp.lut")
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palette.save(file)
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from PIL.ImagePalette import load, raw
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p = load(file)
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# load returns raw palette information
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assert_equal(len(p[0]), 768)
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assert_equal(p[1], "RGB")
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p = raw(p[1], p[0])
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assert_true(isinstance(p, ImagePalette))
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