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-rw-r--r--numpy/lib/tests/test_arraypad.py17
1 files changed, 17 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_arraypad.py b/numpy/lib/tests/test_arraypad.py
index a59681573..0bebe3693 100644
--- a/numpy/lib/tests/test_arraypad.py
+++ b/numpy/lib/tests/test_arraypad.py
@@ -1139,6 +1139,23 @@ class TestWrap:
a = np.arange(5)
b = np.pad(a, (0, 12), mode="wrap")
assert_array_equal(np.r_[a, a, a, a][:-3], b)
+
+ def test_repeated_wrapping_multiple_origin(self):
+ """
+ Assert that 'wrap' pads only with multiples of the original area if
+ the pad width is larger than the original array.
+ """
+ a = np.arange(4).reshape(2, 2)
+ a = np.pad(a, [(1, 3), (3, 1)], mode='wrap')
+ b = np.array(
+ [[3, 2, 3, 2, 3, 2],
+ [1, 0, 1, 0, 1, 0],
+ [3, 2, 3, 2, 3, 2],
+ [1, 0, 1, 0, 1, 0],
+ [3, 2, 3, 2, 3, 2],
+ [1, 0, 1, 0, 1, 0]]
+ )
+ assert_array_equal(a, b)
class TestEdge: