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TST: Add test for segfault in richcompare of void type ==, !=. #5965

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Jun 14, 2015
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TST: Add test for segfault in richcompare of void type ==, !=. #5965

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13 changes: 13 additions & 0 deletions numpy/core/tests/test_ufunc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1166,6 +1166,19 @@ def test_reduce_arguments(self):
assert_raises(TypeError, f, d, axis=0, dtype=None,
out=None, invalid=0)

def test_structured_equal(self):
# https://github.com/numpy/numpy/issues/4855
class MyA(np.ndarray):
def __numpy_ufunc__(self, ufunc, method, i, inputs, **kwargs):
return getattr(ufunc, method)(*(input.view(np.ndarray)
for input in inputs), **kwargs)
a = np.arange(12.).reshape(4,3)
ra = a.view(dtype=('f8,f8,f8')).squeeze()
mra = ra.view(MyA)

target = np.array([ True, False, False, False], dtype=bool)
assert_equal(np.all(target == (mra == ra[0])), True)

def test_NotImplemented_not_returned(self):
# See gh-5964 and gh-2091. Some of these functions are not operator
# related and were fixed for other reasons in the past.
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