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-rw-r--r--numpy/lib/tests/test_index_tricks.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_index_tricks.py b/numpy/lib/tests/test_index_tricks.py
index e687e2f54..2f7e97831 100644
--- a/numpy/lib/tests/test_index_tricks.py
+++ b/numpy/lib/tests/test_index_tricks.py
@@ -106,6 +106,9 @@ class TestRavelUnravelIndex(object):
np.ravel_multi_index(arr, (41, 7, 120, 36, 2706, 8, 6)),
[5627771580, 117259570957])
+ # test unravel_index for big indices (issue #9538)
+ assert_raises(ValueError, np.unravel_index, 1, (2**32-1, 2**31+1))
+
# test overflow checking for too big array (issue #7546)
dummy_arr = ([0],[0])
half_max = np.iinfo(np.intp).max // 2