Add test for Index return

Author: mroeschke

pandas/tests/indexes/ranges/test_range.py

@@ -618,6 +618,16 @@ def test_reindex_returns_rangeindex():
  tm.assert_numpy_array_equal(result_indexer, expected_indexer)
 
 
+def test_reindex_returns_index():
+ ri = RangeIndex(4, name="foo")
+ result, result_indexer = ri.reindex([0, 1, 3])
+ expected = Index([0, 1, 3], name="foo")
+ tm.assert_index_equal(result, expected, exact=True)
+
+ expected_indexer = np.array([0, 1, 3], dtype=np.intp)
+ tm.assert_numpy_array_equal(result_indexer, expected_indexer)
+
+
 def test_take_return_rangeindex():
  ri = RangeIndex(5, name="foo")
  result = ri.take([])