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TST: add tests for coord_map function

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Gregory R. Lee
2015-08-13 23:39:53 -04:00
parent 7cfbd70204
commit a36ab880fc
3 changed files with 26 additions and 1 deletions
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skimage/_shared/tests/test_interpolation.py
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from skimage._shared._interpolation_test import coord_map
from numpy.testing import assert_array_equal
def test_coord_map():
reflect = [coord_map(4, n, 'R') for n in range(-6, 6)]
expected_reflect = [2, 3, 3, 2, 1, 0, 0, 1, 2, 3, 3, 2]
assert_array_equal(reflect, expected_reflect)
wrap = [coord_map(4, n, 'W') for n in range(-6, 6)]
expected_wrap = [2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1]
assert_array_equal(wrap, expected_wrap)
nearest = [coord_map(4, n, 'N') for n in range(-6, 6)]
expected_neareset = [0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 3, 3]
assert_array_equal(nearest, expected_neareset)
other = [coord_map(4, n, 'undefined') for n in range(-6, 6)]
assert_array_equal(other, list(range(-6, 6)))