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34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
from .helper import PillowTestCase, hopper
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from PIL import ImagePalette
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class TestImagePutPalette(PillowTestCase):
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def test_putpalette(self):
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def palette(mode):
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im = hopper(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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self.assertRaises(ValueError, palette, "1")
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for mode in ["L", "LA", "P", "PA"]:
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self.assertEqual(
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palette(mode),
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("PA" if "A" in mode else "P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]),
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)
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self.assertRaises(ValueError, palette, "I")
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self.assertRaises(ValueError, palette, "F")
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self.assertRaises(ValueError, palette, "RGB")
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self.assertRaises(ValueError, palette, "RGBA")
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self.assertRaises(ValueError, palette, "YCbCr")
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def test_imagepalette(self):
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im = hopper("P")
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im.putpalette(ImagePalette.negative())
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im.putpalette(ImagePalette.random())
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im.putpalette(ImagePalette.sepia())
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im.putpalette(ImagePalette.wedge())
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