add additional unique_inverse test

jakevdp · jakevdp · commit fbcedb6171bb · 2024-01-08T13:30:52.000-08:00
diff --git a/numpy/lib/tests/test_arraysetops.py b/numpy/lib/tests/test_arraysetops.py
@@ -960,3 +960,4 @@ def test_unique_inverse_shape(self):
             result = func(arr)
             assert_array_equal(expected_values, result.values)
             assert_array_equal(expected_inverse, result.inverse_indices)
+            assert_array_equal(arr, result.values[result.inverse_indices])
