I give up: unless I write my own strftime by hand, datetime just can't
be trusted with years before 1900, so now we raise ValueError if a date or
datetime or datetimetz .strftime() method is called with a year before
1900.
diff --git a/Lib/test/test_datetime.py b/Lib/test/test_datetime.py
index ca26872..6838e47 100644
--- a/Lib/test/test_datetime.py
+++ b/Lib/test/test_datetime.py
@@ -868,6 +868,12 @@
self.failUnless(self.theclass.min)
self.failUnless(self.theclass.max)
+ def test_srftime_out_of_range(self):
+ # For nasty technical reasons, we can't handle years before 1900.
+ cls = self.theclass
+ self.assertEqual(cls(1900, 1, 1).strftime("%Y"), "1900")
+ for y in 1, 49, 51, 99, 100, 1000, 1899:
+ self.assertRaises(ValueError, cls(y, 1, 1).strftime, "%Y")
#############################################################################
# datetime tests