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Diffstat (limited to 'numpy/lib/tests/test_shape_base.py')
| -rw-r--r-- | numpy/lib/tests/test_shape_base.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_shape_base.py b/numpy/lib/tests/test_shape_base.py index 3c270088f..a92ddde83 100644 --- a/numpy/lib/tests/test_shape_base.py +++ b/numpy/lib/tests/test_shape_base.py @@ -315,6 +315,21 @@ class TestTile(TestCase): assert_equal(large, klarge) +class TestMayShareMemory(TestCase): + def test_basic(self): + d = ones((50, 60)) + d2 = ones((30, 60, 6)) + self.assertTrue(may_share_memory(d, d)) + self.assertTrue(may_share_memory(d, d[::-1])) + self.assertTrue(may_share_memory(d, d[::2])) + self.assertTrue(may_share_memory(d, d[1:, ::-1])) + + self.assertFalse(may_share_memory(d[::-1], d2)) + self.assertFalse(may_share_memory(d[::2], d2)) + self.assertFalse(may_share_memory(d[1:, ::-1], d2)) + self.assertTrue(may_share_memory(d2[1:, ::-1], d2)) + + # Utility def compare_results(res,desired): for i in range(len(desired)): |