TST: load a datetime saved as feather

Author: Jason Mok

pandas/tests/io/test_feather.py

@@ -1,6 +1,7 @@
 """test feather-format compat"""
 
 import zoneinfo
+from datetime import datetime
 
 import numpy as np
 import pytest
@@ -247,3 +248,16 @@ def test_string_inference(self, tmp_path):
             result = read_feather(path)
         expected = pd.DataFrame(data={"a": ["x", "y"]}, dtype="string[pyarrow_numpy]")
         tm.assert_frame_equal(result, expected)
+
+    def test_out_of_bounds_datetime_to_feather(self):
+        # GH#47832
+        df = pd.DataFrame({"date": [
+            datetime.fromisoformat("1654-01-01"),
+            datetime.fromisoformat("1920-01-01"),
+        ],})
+
+        feather_path = "tmp.feather"
+        to_feather(feather_path)
+        expected = df.copy()
+        result = read_feather(feather_path)
+        tm.assert_frame_equal(result, expected)