From b6bbd74bc1158a59eaa0c2e20fe2f66c52f07fb6 Mon Sep 17 00:00:00 2001 From: Iryna Shcherbina Date: Fri, 1 Sep 2017 15:21:08 +0200 Subject: BUG: fix padding an empty array in reflect mode. Check that axes with non-zero padding are non-empty. --- numpy/lib/tests/test_arraypad.py | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'numpy/lib/tests/test_arraypad.py') diff --git a/numpy/lib/tests/test_arraypad.py b/numpy/lib/tests/test_arraypad.py index a44722b56..fce4c451d 100644 --- a/numpy/lib/tests/test_arraypad.py +++ b/numpy/lib/tests/test_arraypad.py @@ -639,6 +639,11 @@ class TestReflect(object): b = np.array([1, 2, 3, 2, 1, 2, 3, 2, 1, 2, 3]) assert_array_equal(a, b) + def test_check_padding_an_empty_array(self): + a = pad(np.zeros((0, 3)), ((0,), (1,)), mode='reflect') + b = np.zeros((0, 5)) + assert_array_equal(a, b) + class TestSymmetric(object): def test_check_simple(self): @@ -1016,6 +1021,8 @@ class TestValueError1(object): def test_check_empty_array(self): assert_raises(ValueError, pad, [], 4, mode='reflect') assert_raises(ValueError, pad, np.ndarray(0), 4, mode='reflect') + assert_raises(ValueError, pad, np.zeros((0, 3)), ((1,), (0,)), + mode='reflect') class TestValueError2(object): -- cgit v1.2.1