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changeset: 102457:95df96aa2f5a user: Alexander Belopolsky alexander.belopolsky@gmail.com date: Tue Jul 26 12:23:16 2016 -0400 files: Lib/test/datetimetester.py description: Issue #24773: Fixed tests failures on systems with 32-bit time_t. Several 32-bit systems have issues with transitions in the year 2037. This is a bug in the system C library since time_t does not overflow until 2038, but let's skip tests starting from 2037 to work around those bugs. diff -r a290f992e69a -r 95df96aa2f5a Lib/test/datetimetester.py --- a/Lib/test/datetimetester.py Tue Jul 26 12:55:20 2016 +0200 +++ b/Lib/test/datetimetester.py Tue Jul 26 12:23:16 2016 -0400 @@ -15,6 +15,7 @@ import random import struct import unittest +import sysconfig from array import array @@ -4675,6 +4676,7 @@ zonename = 'America/New_York' def setUp(self): + self.sizeof_time_t = sysconfig.get_config_var('SIZEOF_TIME_T') if sys.platform == "win32": self.skipTest("Skipping zoneinfo tests on Windows") try: @@ -4750,6 +4752,9 @@ if self.zonename == 'Europe/Tallinn' and udt.date() == date(1999, 10, 31): print("Skip %s %s transition" % (self.zonename, udt)) continue + if self.sizeof_time_t == 4 and udt.year >= 2037: + print("Skip %s %s transition for 32-bit time_t" % (self.zonename, udt)) + continue s0 = (udt - datetime(1970, 1, 1)) // SEC ss = shift // SEC # shift seconds for x in [-40 * 3600, -20*3600, -1, 0, /alexander.belopolsky@gmail.com