50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
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import numpy
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from pytest import raises as assert_raises
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import scipy.ndimage as sndi
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def test_binary_erosion_noninteger_iterations():
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# regression test for gh-9905, gh-9909: ValueError for
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# non integer iterations
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data = numpy.ones([1])
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assert_raises(TypeError, sndi.binary_erosion, data, iterations=0.5)
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assert_raises(TypeError, sndi.binary_erosion, data, iterations=1.5)
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def test_binary_dilation_noninteger_iterations():
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# regression test for gh-9905, gh-9909: ValueError for
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# non integer iterations
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data = numpy.ones([1])
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assert_raises(TypeError, sndi.binary_dilation, data, iterations=0.5)
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assert_raises(TypeError, sndi.binary_dilation, data, iterations=1.5)
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def test_binary_opening_noninteger_iterations():
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# regression test for gh-9905, gh-9909: ValueError for
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# non integer iterations
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data = numpy.ones([1])
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assert_raises(TypeError, sndi.binary_opening, data, iterations=0.5)
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assert_raises(TypeError, sndi.binary_opening, data, iterations=1.5)
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def test_binary_closing_noninteger_iterations():
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# regression test for gh-9905, gh-9909: ValueError for
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# non integer iterations
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data = numpy.ones([1])
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assert_raises(TypeError, sndi.binary_closing, data, iterations=0.5)
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assert_raises(TypeError, sndi.binary_closing, data, iterations=1.5)
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def test_binary_closing_noninteger_brute_force_passes_when_true():
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# regression test for gh-9905, gh-9909: ValueError for
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# non integer iterations
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data = numpy.ones([1])
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assert sndi.binary_erosion(
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data, iterations=2, brute_force=1.5
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) == sndi.binary_erosion(data, iterations=2, brute_force=bool(1.5))
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assert sndi.binary_erosion(
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data, iterations=2, brute_force=0.0
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) == sndi.binary_erosion(data, iterations=2, brute_force=bool(0.0))
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