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20 lines
619 B
Python
20 lines
619 B
Python
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from tester import *
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from PIL import Image
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def test_histogram():
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def histogram(mode):
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h = lena(mode).histogram()
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return len(h), min(h), max(h)
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assert_equal(histogram("1"), (256, 0, 8872))
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assert_equal(histogram("L"), (256, 0, 199))
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assert_equal(histogram("I"), (256, 0, 199))
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assert_equal(histogram("F"), (256, 0, 199))
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assert_equal(histogram("P"), (256, 0, 2912))
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assert_equal(histogram("RGB"), (768, 0, 285))
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assert_equal(histogram("RGBA"), (1024, 0, 16384))
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assert_equal(histogram("CMYK"), (1024, 0, 16384))
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assert_equal(histogram("YCbCr"), (768, 0, 741))
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