BUG: Renamed test and added raise and ignore cases pandas-dev#45319

Author: KingOfTheShow69

pandas/tests/tools/test_to_datetime.py

@@ -2779,16 +2779,28 @@ def test_to_datetime_monotonic_increasing_index(cache):
     "series_length",
     [40, start_caching_at, (start_caching_at + 1), (start_caching_at + 5)],
 )
-def test_to_datetime_cache_coerce_50_lines(series_length):
+def test_to_datetime_cache_coerce_50_lines_outofbounds(series_length):
     # GH#45319
     s = Series(
         [datetime.fromisoformat("1446-04-12 00:00:00+00:00")]
         + ([datetime.fromisoformat("1991-10-20 00:00:00+00:00")] * series_length)
     )
-    result = to_datetime(s, errors="coerce", utc=True)
+    result1 = to_datetime(s, errors="coerce", utc=True)
 
-    expected = Series(
+    expected1 = Series(
         [NaT] + ([Timestamp("1991-10-20 00:00:00+00:00")] * series_length)
     )
 
-    tm.assert_series_equal(result, expected)
+    tm.assert_series_equal(result1, expected1)
+
+    result2 = to_datetime(s, errors="ignore", utc=True)
+
+    expected2 = Series(
+        [datetime.fromisoformat("1446-04-12 00:00:00+00:00")]
+        + ([datetime.fromisoformat("1991-10-20 00:00:00+00:00")] * series_length)
+    )
+
+    tm.assert_series_equal(result2, expected2)
+
+    with pytest.raises(OutOfBoundsDatetime, match="Out of bounds nanosecond timestamp"):
+        to_datetime(s, errors="raise", utc=True)