failing test for year overflow

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/test_itsdangerous/test_timed.py b/tests/test_itsdangerous/test_timed.py
index 5504300..f677b72 100644
--- a/tests/test_itsdangerous/test_timed.py
+++ b/tests/test_itsdangerous/test_timed.py
@@ -1,3 +1,4 @@
+import sys
 from datetime import datetime
 from datetime import timedelta
 from datetime import timezone
@@ -66,6 +67,18 @@ class TestTimestampSigner(FreezeMixin, TestSigner):
         assert "Malformed" in str(exc_info.value)
         assert exc_info.value.date_signed is None
 
+    @pytest.mark.skipif(
+        sys.platform == "win32", reason="Freezegun Invalid argument occurs on Windows"
+    )
+    def test_malformed_future_timestamp(self, signer):
+        signed = b"value.TgPVoaGhoQ.AGBfQ6G6cr07byTRt0zAdPljHOY"
+
+        with pytest.raises(BadTimeSignature) as exc_info:
+            signer.unsign(signed)
+
+        assert "Malformed" in str(exc_info.value)
+        assert exc_info.value.date_signed is None
+
     def test_future_age(self, signer):
         signed = signer.sign("value")