mirror of https://github.com/python/cpython
385 lines
14 KiB
Python
385 lines
14 KiB
Python
from test import support
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import time
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import unittest
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import locale
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import sysconfig
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import warnings
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class TimeTestCase(unittest.TestCase):
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def setUp(self):
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self.t = time.time()
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def test_data_attributes(self):
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time.altzone
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time.daylight
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time.timezone
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time.tzname
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def test_clock(self):
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time.clock()
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def test_conversions(self):
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self.assertEqual(time.ctime(self.t),
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time.asctime(time.localtime(self.t)))
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self.assertEqual(int(time.mktime(time.localtime(self.t))),
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int(self.t))
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def test_sleep(self):
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time.sleep(1.2)
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def test_strftime(self):
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tt = time.gmtime(self.t)
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for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
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'j', 'm', 'M', 'p', 'S',
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'U', 'w', 'W', 'x', 'X', 'y', 'Y', 'Z', '%'):
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format = ' %' + directive
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try:
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time.strftime(format, tt)
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except ValueError:
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self.fail('conversion specifier: %r failed.' % format)
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def _bounds_checking(self, func=time.strftime):
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# Make sure that strftime() checks the bounds of the various parts
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#of the time tuple (0 is valid for *all* values).
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# The year field is tested by other test cases above
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# Check month [1, 12] + zero support
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self.assertRaises(ValueError, func,
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(1900, -1, 1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 13, 1, 0, 0, 0, 0, 1, -1))
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# Check day of month [1, 31] + zero support
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self.assertRaises(ValueError, func,
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(1900, 1, -1, 0, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 32, 0, 0, 0, 0, 1, -1))
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# Check hour [0, 23]
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self.assertRaises(ValueError, func,
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(1900, 1, 1, -1, 0, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 24, 0, 0, 0, 1, -1))
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# Check minute [0, 59]
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, -1, 0, 0, 1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 60, 0, 0, 1, -1))
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# Check second [0, 61]
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, -1, 0, 1, -1))
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# C99 only requires allowing for one leap second, but Python's docs say
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# allow two leap seconds (0..61)
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, 62, 0, 1, -1))
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# No check for upper-bound day of week;
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# value forced into range by a ``% 7`` calculation.
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# Start check at -2 since gettmarg() increments value before taking
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# modulo.
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, 0, -2, 1, -1))
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# Check day of the year [1, 366] + zero support
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, 0, 0, -1, -1))
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self.assertRaises(ValueError, func,
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(1900, 1, 1, 0, 0, 0, 0, 367, -1))
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def test_strftime_bounding_check(self):
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self._bounds_checking(lambda tup: time.strftime('', tup))
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def test_default_values_for_zero(self):
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# Make sure that using all zeros uses the proper default values.
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# No test for daylight savings since strftime() does not change output
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# based on its value.
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expected = "2000 01 01 00 00 00 1 001"
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with support.check_warnings():
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result = time.strftime("%Y %m %d %H %M %S %w %j", (0,)*9)
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self.assertEqual(expected, result)
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def test_strptime(self):
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# Should be able to go round-trip from strftime to strptime without
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# throwing an exception.
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tt = time.gmtime(self.t)
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for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
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'j', 'm', 'M', 'p', 'S',
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'U', 'w', 'W', 'x', 'X', 'y', 'Y', 'Z', '%'):
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format = '%' + directive
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strf_output = time.strftime(format, tt)
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try:
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time.strptime(strf_output, format)
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except ValueError:
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self.fail("conversion specifier %r failed with '%s' input." %
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(format, strf_output))
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def test_strptime_bytes(self):
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# Make sure only strings are accepted as arguments to strptime.
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self.assertRaises(TypeError, time.strptime, b'2009', "%Y")
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self.assertRaises(TypeError, time.strptime, '2009', b'%Y')
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def test_asctime(self):
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time.asctime(time.gmtime(self.t))
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# Max year is only limited by the size of C int.
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sizeof_int = sysconfig.get_config_var('SIZEOF_INT') or 4
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bigyear = (1 << 8 * sizeof_int - 1) - 1
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asc = time.asctime((bigyear, 6, 1) + (0,)*6)
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self.assertEqual(asc[-len(str(bigyear)):], str(bigyear))
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self.assertRaises(OverflowError, time.asctime, (bigyear + 1,) + (0,)*8)
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self.assertRaises(TypeError, time.asctime, 0)
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self.assertRaises(TypeError, time.asctime, ())
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self.assertRaises(TypeError, time.asctime, (0,) * 10)
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def test_asctime_bounding_check(self):
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self._bounds_checking(time.asctime)
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def test_ctime(self):
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t = time.mktime((1973, 9, 16, 1, 3, 52, 0, 0, -1))
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self.assertEqual(time.ctime(t), 'Sun Sep 16 01:03:52 1973')
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t = time.mktime((2000, 1, 1, 0, 0, 0, 0, 0, -1))
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self.assertEqual(time.ctime(t), 'Sat Jan 1 00:00:00 2000')
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for year in [-100, 100, 1000, 2000, 10000]:
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try:
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testval = time.mktime((year, 1, 10) + (0,)*6)
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except (ValueError, OverflowError):
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# If mktime fails, ctime will fail too. This may happen
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# on some platforms.
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pass
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else:
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self.assertEqual(time.ctime(testval)[20:], str(year))
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@unittest.skipIf(not hasattr(time, "tzset"),
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"time module has no attribute tzset")
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def test_tzset(self):
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from os import environ
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# Epoch time of midnight Dec 25th 2002. Never DST in northern
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# hemisphere.
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xmas2002 = 1040774400.0
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# These formats are correct for 2002, and possibly future years
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# This format is the 'standard' as documented at:
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# http://www.opengroup.org/onlinepubs/007904975/basedefs/xbd_chap08.html
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# They are also documented in the tzset(3) man page on most Unix
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# systems.
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eastern = 'EST+05EDT,M4.1.0,M10.5.0'
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victoria = 'AEST-10AEDT-11,M10.5.0,M3.5.0'
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utc='UTC+0'
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org_TZ = environ.get('TZ',None)
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try:
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# Make sure we can switch to UTC time and results are correct
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# Note that unknown timezones default to UTC.
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# Note that altzone is undefined in UTC, as there is no DST
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environ['TZ'] = eastern
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time.tzset()
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environ['TZ'] = utc
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time.tzset()
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self.assertEqual(
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time.gmtime(xmas2002), time.localtime(xmas2002)
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)
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self.assertEqual(time.daylight, 0)
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self.assertEqual(time.timezone, 0)
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self.assertEqual(time.localtime(xmas2002).tm_isdst, 0)
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# Make sure we can switch to US/Eastern
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environ['TZ'] = eastern
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time.tzset()
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self.assertNotEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
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self.assertEqual(time.tzname, ('EST', 'EDT'))
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self.assertEqual(len(time.tzname), 2)
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self.assertEqual(time.daylight, 1)
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self.assertEqual(time.timezone, 18000)
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self.assertEqual(time.altzone, 14400)
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self.assertEqual(time.localtime(xmas2002).tm_isdst, 0)
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self.assertEqual(len(time.tzname), 2)
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# Now go to the southern hemisphere.
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environ['TZ'] = victoria
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time.tzset()
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self.assertNotEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
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self.assertTrue(time.tzname[0] == 'AEST', str(time.tzname[0]))
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self.assertTrue(time.tzname[1] == 'AEDT', str(time.tzname[1]))
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self.assertEqual(len(time.tzname), 2)
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self.assertEqual(time.daylight, 1)
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self.assertEqual(time.timezone, -36000)
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self.assertEqual(time.altzone, -39600)
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self.assertEqual(time.localtime(xmas2002).tm_isdst, 1)
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finally:
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# Repair TZ environment variable in case any other tests
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# rely on it.
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if org_TZ is not None:
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environ['TZ'] = org_TZ
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elif 'TZ' in environ:
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del environ['TZ']
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time.tzset()
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def test_insane_timestamps(self):
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# It's possible that some platform maps time_t to double,
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# and that this test will fail there. This test should
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# exempt such platforms (provided they return reasonable
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# results!).
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for func in time.ctime, time.gmtime, time.localtime:
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for unreasonable in -1e200, 1e200:
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self.assertRaises(ValueError, func, unreasonable)
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def test_ctime_without_arg(self):
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# Not sure how to check the values, since the clock could tick
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# at any time. Make sure these are at least accepted and
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# don't raise errors.
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time.ctime()
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time.ctime(None)
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def test_gmtime_without_arg(self):
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gt0 = time.gmtime()
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gt1 = time.gmtime(None)
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t0 = time.mktime(gt0)
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t1 = time.mktime(gt1)
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self.assertAlmostEqual(t1, t0, delta=0.2)
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def test_localtime_without_arg(self):
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lt0 = time.localtime()
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lt1 = time.localtime(None)
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t0 = time.mktime(lt0)
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t1 = time.mktime(lt1)
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self.assertAlmostEqual(t1, t0, delta=0.2)
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class TestLocale(unittest.TestCase):
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def setUp(self):
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self.oldloc = locale.setlocale(locale.LC_ALL)
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def tearDown(self):
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locale.setlocale(locale.LC_ALL, self.oldloc)
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def test_bug_3061(self):
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try:
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tmp = locale.setlocale(locale.LC_ALL, "fr_FR")
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except locale.Error:
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# skip this test
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return
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# This should not cause an exception
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time.strftime("%B", (2009,2,1,0,0,0,0,0,0))
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class _BaseYearTest(unittest.TestCase):
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accept2dyear = None
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def setUp(self):
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self.saved_accept2dyear = time.accept2dyear
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time.accept2dyear = self.accept2dyear
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def tearDown(self):
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time.accept2dyear = self.saved_accept2dyear
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def yearstr(self, y):
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raise NotImplementedError()
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class _TestAsctimeYear:
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def yearstr(self, y):
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return time.asctime((y,) + (0,) * 8).split()[-1]
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def test_large_year(self):
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# Check that it doesn't crash for year > 9999
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self.assertEqual(self.yearstr(12345), '12345')
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self.assertEqual(self.yearstr(123456789), '123456789')
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class _TestStrftimeYear:
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def yearstr(self, y):
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return time.strftime('%Y', (y,) + (0,) * 8).split()[-1]
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def test_large_year(self):
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# Check that it doesn't crash for year > 9999
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try:
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text = self.yearstr(12345)
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except ValueError:
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# strftime() is limited to [1; 9999] with Visual Studio
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return
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# Issue #10864: OpenIndiana is limited to 4 digits,
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# but Python doesn't raise a ValueError
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#self.assertEqual(text, '12345')
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#self.assertEqual(self.yearstr(123456789), '123456789')
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self.assertIn(text, ('2345', '12345'))
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self.assertIn(self.yearstr(123456789), ('123456789', '6789'))
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class _Test2dYear(_BaseYearTest):
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accept2dyear = 1
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def test_year(self):
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with support.check_warnings():
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self.assertEqual(self.yearstr(0), '2000')
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self.assertEqual(self.yearstr(69), '1969')
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self.assertEqual(self.yearstr(68), '2068')
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self.assertEqual(self.yearstr(99), '1999')
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def test_invalid(self):
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self.assertRaises(ValueError, self.yearstr, -1)
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self.assertRaises(ValueError, self.yearstr, 100)
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self.assertRaises(ValueError, self.yearstr, 999)
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class _Test4dYear(_BaseYearTest):
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accept2dyear = 0
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def test_year(self):
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self.assertIn(self.yearstr(1), ('1', '0001'))
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self.assertIn(self.yearstr(68), ('68', '0068'))
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self.assertIn(self.yearstr(69), ('69', '0069'))
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self.assertIn(self.yearstr(99), ('99', '0099'))
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self.assertIn(self.yearstr(999), ('999', '0999'))
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self.assertEqual(self.yearstr(9999), '9999')
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def test_negative(self):
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try:
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text = self.yearstr(-1)
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except ValueError:
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# strftime() is limited to [1; 9999] with Visual Studio
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return
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self.assertIn(text, ('-1', '-001'))
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self.assertEqual(self.yearstr(-1234), '-1234')
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self.assertEqual(self.yearstr(-123456), '-123456')
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class TestAsctimeAccept2dYear(_TestAsctimeYear, _Test2dYear):
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pass
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class TestStrftimeAccept2dYear(_TestStrftimeYear, _Test2dYear):
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pass
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class TestAsctime4dyear(_TestAsctimeYear, _Test4dYear):
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pass
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class TestStrftime4dyear(_TestStrftimeYear, _Test4dYear):
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pass
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class Test2dyearBool(_TestAsctimeYear, _Test2dYear):
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accept2dyear = True
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class Test4dyearBool(_TestAsctimeYear, _Test4dYear):
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accept2dyear = False
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class TestAccept2YearBad(_TestAsctimeYear, _BaseYearTest):
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class X:
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def __bool__(self):
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raise RuntimeError('boo')
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accept2dyear = X()
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def test_2dyear(self):
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pass
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def test_invalid(self):
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self.assertRaises(RuntimeError, self.yearstr, 200)
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def test_main():
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support.run_unittest(
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TimeTestCase,
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TestLocale,
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TestAsctimeAccept2dYear,
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TestStrftimeAccept2dYear,
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TestAsctime4dyear,
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TestStrftime4dyear,
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Test2dyearBool,
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Test4dyearBool,
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TestAccept2YearBad)
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if __name__ == "__main__":
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test_main()
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