28 lines
1.1 KiB
Python
28 lines
1.1 KiB
Python
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from skimage._shared.interpolation import coord_map_py
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from skimage._shared.testing import assert_array_equal
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def test_coord_map():
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symmetric = [coord_map_py(4, n, 'S') for n in range(-6, 6)]
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expected_symmetric = [2, 3, 3, 2, 1, 0, 0, 1, 2, 3, 3, 2]
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assert_array_equal(symmetric, expected_symmetric)
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wrap = [coord_map_py(4, n, 'W') for n in range(-6, 6)]
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expected_wrap = [2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1]
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assert_array_equal(wrap, expected_wrap)
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edge = [coord_map_py(4, n, 'E') for n in range(-6, 6)]
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expected_edge = [0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 3, 3]
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assert_array_equal(edge, expected_edge)
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reflect = [coord_map_py(4, n, 'R') for n in range(-6, 6)]
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expected_reflect = [0, 1, 2, 3, 2, 1, 0, 1, 2, 3, 2, 1]
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assert_array_equal(reflect, expected_reflect)
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reflect = [coord_map_py(1, n, 'R') for n in range(-6, 6)]
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expected_reflect = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
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assert_array_equal(reflect, expected_reflect)
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other = [coord_map_py(4, n, 'undefined') for n in range(-6, 6)]
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expected_other = list(range(-6, 6))
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assert_array_equal(other, expected_other)
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