BUG: restore limit in RangeIndex.get_indexer

doc/source/whatsnew/v0.25.2.rst

@@ -49,7 +49,7 @@ Interval
 Indexing
 ^^^^^^^^
 
--
+- :meth: `DataFrame.reindex` not following limit (:issue:`28631`).
 -
 -
 

pandas/core/indexes/range.py

@@ -380,8 +380,15 @@ def get_loc(self, key, method=None, tolerance=None):
 
     @Appender(_index_shared_docs["get_indexer"])
     def get_indexer(self, target, method=None, limit=None, tolerance=None):
-        if not (method is None and tolerance is None and is_list_like(target)):
-            return super().get_indexer(target, method=method, tolerance=tolerance)
+        if not (
+            method is None
+            and tolerance is None
+            and limit is None
+            and is_list_like(target)
+        ):
+            return super().get_indexer(
+                target, method=method, tolerance=tolerance, limit=limit
+            )
 
         if self.step > 0:
             start, stop, step = self.start, self.stop, self.step

pandas/tests/indexes/test_range.py

@@ -1037,3 +1037,25 @@ def test_engineless_lookup(self):
             assert idx.get_loc("a") == -1
 
         assert "_engine" in idx._cache
+
+    def test_limit(self):
+        # GH 28631
+        data = [["A", "A", "A"], ["B", "B", "B"], ["C", "C", "C"], ["D", "D", "D"]]
+        exp_data = [
+            ["A", "A", "A"],
+            ["B", "B", "B"],
+            ["C", "C", "C"],
+            ["D", "D", "D"],
+            ["D", "D", "D"],
+            [np.nan, np.nan, np.nan],
+        ]
+        df = pd.DataFrame(data)
+        result = df.reindex([0, 1, 2, 3, 4, 5], method="ffill", limit=1)
+        expected = pd.DataFrame(exp_data)
+        tm.assert_frame_equal(result, expected)
+
+        idx = pd.Index(range(4))
+        target = pd.Index([0, 1, 2, 3, 4, 5])
+        arr = idx.get_indexer(target, method="pad", limit=1)
+        expected_arr = np.array([0, 1, 2, 3, 3, -1])
+        assert (arr == expected_arr).all()