diff options
Diffstat (limited to 'numpy/lib/tests/test_arraysetops.py')
| -rw-r--r-- | numpy/lib/tests/test_arraysetops.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_arraysetops.py b/numpy/lib/tests/test_arraysetops.py index e83f8552e..39196f4bc 100644 --- a/numpy/lib/tests/test_arraysetops.py +++ b/numpy/lib/tests/test_arraysetops.py @@ -109,6 +109,12 @@ class TestSetOps(TestCase): assert_array_equal(a2, unq) assert_array_equal(a2_inv, inv) + # test for chararrays with return_inverse (gh-5099) + a = np.chararray(5) + a[...] = '' + a2, a2_inv = np.unique(a, return_inverse=True) + assert_array_equal(a2_inv, np.zeros(5)) + def test_intersect1d(self): # unique inputs a = np.array([5, 7, 1, 2]) |