add test

Author: MarcoGorelli

pandas/tests/scalar/timestamp/test_timestamp.py

@@ -1082,3 +1082,11 @@ def test_as_unit_non_nano(self):
             == res.nanosecond
             == 0
         )
+
+
+def test_delimited_date():
+    # https://github.com/pandas-dev/pandas/issues/50231
+    with tm.assert_produces_warning(None):
+        result = Timestamp("13-01-2000")
+    expected = Timestamp(2000, 1, 13)
+    assert result == expected