summaryrefslogtreecommitdiff
path: root/numpy/lib/tests/test_index_tricks.py
diff options
context:
space:
mode:
Diffstat (limited to 'numpy/lib/tests/test_index_tricks.py')
-rw-r--r--numpy/lib/tests/test_index_tricks.py30
1 files changed, 29 insertions, 1 deletions
diff --git a/numpy/lib/tests/test_index_tricks.py b/numpy/lib/tests/test_index_tricks.py
index 53588f7a3..76d9b403e 100644
--- a/numpy/lib/tests/test_index_tricks.py
+++ b/numpy/lib/tests/test_index_tricks.py
@@ -5,7 +5,8 @@ import pytest
import numpy as np
from numpy.testing import (
assert_, assert_equal, assert_array_equal, assert_almost_equal,
- assert_array_almost_equal, assert_raises, assert_raises_regex
+ assert_array_almost_equal, assert_raises, assert_raises_regex,
+ assert_warns
)
from numpy.lib.index_tricks import (
mgrid, ogrid, ndenumerate, fill_diagonal, diag_indices, diag_indices_from,
@@ -16,6 +17,33 @@ from numpy.lib.index_tricks import (
class TestRavelUnravelIndex(object):
def test_basic(self):
assert_equal(np.unravel_index(2, (2, 2)), (1, 0))
+
+ # test backwards compatibility with older dims
+ # keyword argument; see Issue #10586
+ with assert_warns(DeprecationWarning):
+ # we should achieve the correct result
+ # AND raise the appropriate warning
+ # when using older "dims" kw argument
+ assert_equal(np.unravel_index(indices=2,
+ dims=(2, 2)),
+ (1, 0))
+
+ # test that new shape argument works properly
+ assert_equal(np.unravel_index(indices=2,
+ shape=(2, 2)),
+ (1, 0))
+
+ # test that an invalid second keyword argument
+ # is properly handled
+ with assert_raises(TypeError):
+ np.unravel_index(indices=2, hape=(2, 2))
+
+ with assert_raises(TypeError):
+ np.unravel_index(2, hape=(2, 2))
+
+ with assert_raises(TypeError):
+ np.unravel_index(254, ims=(17, 94))
+
assert_equal(np.ravel_multi_index((1, 0), (2, 2)), 2)
assert_equal(np.unravel_index(254, (17, 94)), (2, 66))
assert_equal(np.ravel_multi_index((2, 66), (17, 94)), 254)