diff options
Diffstat (limited to 'numpy/ma')
| -rw-r--r-- | numpy/ma/tests/test_core.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/numpy/ma/tests/test_core.py b/numpy/ma/tests/test_core.py index 4aeb16614..014af2d73 100644 --- a/numpy/ma/tests/test_core.py +++ b/numpy/ma/tests/test_core.py @@ -2389,6 +2389,36 @@ class TestMaskedArrayMethods(TestCase): assert_equal(take(x, [0, 2], axis=1), array([[10, 30], [40, 60]], mask=[[0, 1], [1, 0]])) + def test_take_masked_indices(self): + "Test take w/ masked indices" + a = np.array((40, 18, 37, 9, 22)) + indices = np.arange(3)[None, :] + np.arange(5)[:, None] + mindices = array(indices, mask=(indices >= len(a))) + # No mask + test = take(a, mindices, mode='clip') + ctrl = array([[40, 18, 37], + [18, 37, 9], + [37, 9, 22], + [ 9, 22, 22], + [22, 22, 22]]) + assert_equal(test, ctrl) + # Masked indices + test = take(a, mindices) + ctrl = array([[40, 18, 37], + [18, 37, 9], + [37, 9, 22], + [ 9, 22, 40], + [22, 40, 40]]) + ctrl[3, 2] = ctrl[4, 1] = ctrl[4, 2] = masked + assert_equal(test, ctrl) + assert_equal(test.mask, ctrl.mask) + # Masked input + masked indices + a = array((40, 18, 37, 9, 22), mask=(0, 1, 0, 0, 0)) + test = take(a, mindices) + ctrl[0, 1] = ctrl[1, 0] = masked + assert_equal(test, ctrl) + assert_equal(test.mask, ctrl.mask) + def test_tolist(self): "Tests to list" |