update tests

Author: CloseChoice

pandas/tests/frame/indexing/test_getitem.py

@@ -176,8 +176,7 @@ def test_getitem_iloc_two_dimensional_generator(self):
 
     def test_getitem_iloc_dateoffset_days(self):
         # GH 46671
-        df = DataFrame(list(range(10)), index=date_range("01-01-2022", periods=10))
-        df = df.asfreq(DateOffset(days=1))
+        df = DataFrame(list(range(10)), index=date_range("01-01-2022", periods=10, freq=DateOffset(days=1)))
         result = df.loc["2022-01-01":"2022-01-03"]
         expected = DataFrame(
             [0, 1, 2],
@@ -189,6 +188,34 @@ def test_getitem_iloc_dateoffset_days(self):
         )
         tm.assert_frame_equal(result, expected)
 
+        df = DataFrame(list(range(10)), index=date_range("01-01-2022", periods=10, freq=DateOffset(days=1, hours=2)))
+        result = df.loc["2022-01-01":"2022-01-03"]
+        expected = DataFrame(
+            [0, 1, 2],
+            index=DatetimeIndex(
+                ["2022-01-01 00:00:00", "2022-01-02 02:00:00", "2022-01-03 04:00:00"],
+                dtype="datetime64[ns]",
+                freq=DateOffset(days=1, hours=2),
+            ),
+        )
+        tm.assert_frame_equal(result, expected)
+
+
+        df = DataFrame(list(range(10)), index=date_range("01-01-2022", periods=10, freq=DateOffset(minutes=3)))
+        result = df.loc["2022-01-01":"2022-01-03"]
+        expected = DataFrame(
+            [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
+            index=DatetimeIndex(
+                ["2022-01-01 00:00:00", "2022-01-01 00:03:00", "2022-01-01 00:06:00",
+                 "2022-01-01 00:09:00", "2022-01-01 00:12:00", "2022-01-01 00:15:00",
+                 "2022-01-01 00:18:00", "2022-01-01 00:21:00", "2022-01-01 00:24:00",
+                 "2022-01-01 00:27:00"],
+                dtype="datetime64[ns]",
+                freq=DateOffset(minutes=3),
+            ),
+        )
+        tm.assert_frame_equal(result, expected)
+
 
 class TestGetitemCallable:
     def test_getitem_callable(self, float_frame):