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-rw-r--r--numpy/lib/tests/test_arraysetops.py12
1 files changed, 11 insertions, 1 deletions
diff --git a/numpy/lib/tests/test_arraysetops.py b/numpy/lib/tests/test_arraysetops.py
index 39196f4bc..75918fbee 100644
--- a/numpy/lib/tests/test_arraysetops.py
+++ b/numpy/lib/tests/test_arraysetops.py
@@ -5,7 +5,7 @@ from __future__ import division, absolute_import, print_function
import numpy as np
from numpy.testing import (
- run_module_suite, TestCase, assert_array_equal
+ run_module_suite, TestCase, assert_array_equal, assert_equal
)
from numpy.lib.arraysetops import (
ediff1d, intersect1d, setxor1d, union1d, setdiff1d, unique, in1d
@@ -169,6 +169,14 @@ class TestSetOps(TestCase):
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))
def test_in1d(self):
# we use two different sizes for the b array here to test the
@@ -286,6 +294,8 @@ class TestSetOps(TestCase):
assert_array_equal(c, ec)
assert_array_equal([], setdiff1d([], []))
+ a = np.array((), np.uint32)
+ assert_equal(setdiff1d(a, []).dtype, np.uint32)
def test_setdiff1d_char_array(self):
a = np.array(['a', 'b', 'c'])