Issue #10939: Make Internaldate2tuple test more robust.
diff --git a/Lib/test/test_imaplib.py b/Lib/test/test_imaplib.py
index bad4d19..4ece1bf 100644
--- a/Lib/test/test_imaplib.py
+++ b/Lib/test/test_imaplib.py
@@ -9,6 +9,7 @@
import os.path
import socketserver
import time
+import calendar
from test.support import reap_threads, verbose, transient_internet
import unittest
@@ -24,15 +25,16 @@
class TestImaplib(unittest.TestCase):
def test_Internaldate2tuple(self):
+ t0 = calendar.timegm((2000, 1, 1, 0, 0, 0, -1, -1, -1))
tt = imaplib.Internaldate2tuple(
- b'25 (INTERNALDATE "01-Jan-1970 00:00:00 +0000")')
- self.assertEqual(time.mktime(tt), 0)
+ b'25 (INTERNALDATE "01-Jan-2000 00:00:00 +0000")')
+ self.assertEqual(time.mktime(tt), t0)
tt = imaplib.Internaldate2tuple(
- b'25 (INTERNALDATE "01-Jan-1970 11:30:00 +1130")')
- self.assertEqual(time.mktime(tt), 0)
+ b'25 (INTERNALDATE "01-Jan-2000 11:30:00 +1130")')
+ self.assertEqual(time.mktime(tt), t0)
tt = imaplib.Internaldate2tuple(
- b'25 (INTERNALDATE "31-Dec-1969 12:30:00 -1130")')
- self.assertEqual(time.mktime(tt), 0)
+ b'25 (INTERNALDATE "31-Dec-1999 12:30:00 -1130")')
+ self.assertEqual(time.mktime(tt), t0)
def test_that_Time2Internaldate_returns_a_result(self):
# We can check only that it successfully produces a result,