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29 lines
1.2 KiB
Python
29 lines
1.2 KiB
Python
import pytest
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from PIL import Image
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from .helper import PillowTestCase, hopper, is_big_endian, on_ci
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class TestImageGetExtrema(PillowTestCase):
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@pytest.mark.xfail(is_big_endian() and on_ci(), reason="Fails on big-endian")
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def test_extrema(self):
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def extrema(mode):
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return hopper(mode).getextrema()
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self.assertEqual(extrema("1"), (0, 255))
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self.assertEqual(extrema("L"), (1, 255))
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self.assertEqual(extrema("I"), (1, 255))
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self.assertEqual(extrema("F"), (1, 255))
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self.assertEqual(extrema("P"), (0, 225)) # fixed palette
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self.assertEqual(extrema("RGB"), ((0, 255), (0, 255), (0, 255)))
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self.assertEqual(extrema("RGBA"), ((0, 255), (0, 255), (0, 255), (255, 255)))
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self.assertEqual(extrema("CMYK"), ((0, 255), (0, 255), (0, 255), (0, 0)))
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self.assertEqual(extrema("I;16"), (1, 255))
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@pytest.mark.xfail(is_big_endian() and on_ci(), reason="Fails on big-endian")
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def test_true_16(self):
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with Image.open("Tests/images/16_bit_noise.tif") as im:
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self.assertEqual(im.mode, "I;16")
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extrema = im.getextrema()
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self.assertEqual(extrema, (106, 285))
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