test yday jumps

Author: gesslerpd

Lib/test/test_time.py

@@ -197,9 +197,12 @@ def test_gmtime(self):
             (-6177600, (1969, 10, 21, 12, 0, 0, 1, 294)),
             # non-leap years (pre epoch)
             (-2203891200, (1900, 3, 1, 0, 0, 0, 3, 60)),
+            (-2203977600, (1900, 2, 28, 0, 0, 0, 2, 59)),
             (-5359564800, (1800, 3, 1, 0, 0, 0, 3, 60)),
+            (-5359651200, (1800, 2, 28, 0, 0, 0, 2, 59)),
             # leap years (pre epoch)
             (-2077660800, (1904, 3, 1, 0, 0, 0, 3, 61)),
+            (-2077833600, (1904, 2, 28, 0, 0, 0, 1, 59)),
         ):
             with self.subTest(t=t, expected=expected):
                 res = time.gmtime(t)