def test_ediff1d_forbidden_type_casts(self, ary, prepend, append):
# verify resolution of gh-11490
# specifically, raise an appropriate
# Exception when attempting to append or
# prepend with an incompatible type
msg = 'must be compatible'
with assert_raises_regex(TypeError, msg):
ediff1d(ary=ary, to_end=append, to_begin=prepend)
def test_ediff1d_forbidden_type_casts(self, ary, prepend, append):
# verify resolution of gh-11490
# specifically, raise an appropriate
# Exception when attempting to append or
# prepend with an incompatible type
msg = 'cannot convert'
with assert_raises_regex(ValueError, msg):
ediff1d(ary=ary,
to_end=append,
to_begin=prepend)
def check_ediff1d(self):
zero_elem = numpy.array([])
one_elem = numpy.array([1])
two_elem = numpy.array([1, 2])
assert_array_equal([], ediff1d(zero_elem))
assert_array_equal([0], ediff1d(zero_elem, to_begin=0))
assert_array_equal([0], ediff1d(zero_elem, to_end=0))
assert_array_equal([-1, 0], ediff1d(zero_elem, to_begin=-1, to_end=0))
assert_array_equal([], ediff1d(one_elem))
assert_array_equal([1], ediff1d(two_elem))
def test_ediff1d(self):
zero_elem = np.array([])
one_elem = np.array([1])
two_elem = np.array([1, 2])
assert_array_equal([], ediff1d(zero_elem))
assert_array_equal([0], ediff1d(zero_elem, to_begin=0))
assert_array_equal([0], ediff1d(zero_elem, to_end=0))
assert_array_equal([-1, 0], ediff1d(zero_elem, to_begin=-1, to_end=0))
assert_array_equal([], ediff1d(one_elem))
assert_array_equal([1], ediff1d(two_elem))
def test_ediff1d(self):
zero_elem = np.array([])
one_elem = np.array([1])
two_elem = np.array([1, 2])
assert_array_equal([], ediff1d(zero_elem))
assert_array_equal([0], ediff1d(zero_elem, to_begin=0))
assert_array_equal([0], ediff1d(zero_elem, to_end=0))
assert_array_equal([-1, 0], ediff1d(zero_elem, to_begin=-1, to_end=0))
assert_array_equal([], ediff1d(one_elem))
assert_array_equal([1], ediff1d(two_elem))
assert_array_equal([7, 1, 9], ediff1d(two_elem, to_begin=7, to_end=9))
assert_array_equal([5, 6, 1, 7, 8],
ediff1d(two_elem, to_begin=[5, 6], to_end=[7, 8]))
assert_array_equal([1, 9], ediff1d(two_elem, to_end=9))
assert_array_equal([1, 7, 8], ediff1d(two_elem, to_end=[7, 8]))
assert_array_equal([7, 1], ediff1d(two_elem, to_begin=7))
assert_array_equal([5, 6, 1], ediff1d(two_elem, to_begin=[5, 6]))
def test_ediff1d(self):
zero_elem = np.array([])
one_elem = np.array([1])
two_elem = np.array([1, 2])
assert_array_equal([], ediff1d(zero_elem))
assert_array_equal([0], ediff1d(zero_elem, to_begin=0))
assert_array_equal([0], ediff1d(zero_elem, to_end=0))
assert_array_equal([-1, 0], ediff1d(zero_elem, to_begin=-1, to_end=0))
assert_array_equal([], ediff1d(one_elem))
assert_array_equal([1], ediff1d(two_elem))
assert_array_equal([7,1,9], ediff1d(two_elem, to_begin=7, to_end=9))
assert_array_equal([5,6,1,7,8], ediff1d(two_elem, to_begin=[5,6], to_end=[7,8]))
assert_array_equal([1,9], ediff1d(two_elem, to_end=9))
assert_array_equal([1,7,8], ediff1d(two_elem, to_end=[7,8]))
assert_array_equal([7,1], ediff1d(two_elem, to_begin=7))
assert_array_equal([5,6,1], ediff1d(two_elem, to_begin=[5,6]))
assert(isinstance(ediff1d(np.matrix(1)), np.matrix))
assert(isinstance(ediff1d(np.matrix(1), to_begin=1), np.matrix))