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928 lines
36 KiB
Python
928 lines
36 KiB
Python
from test import support
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import enum
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import locale
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import platform
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import sys
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import sysconfig
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import time
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import unittest
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try:
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import threading
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except ImportError:
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threading = None
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try:
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import _testcapi
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except ImportError:
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_testcapi = None
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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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TIME_MAXYEAR = (1 << 8 * SIZEOF_INT - 1) - 1
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TIME_MINYEAR = -TIME_MAXYEAR - 1
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SEC_TO_NS = 10 ** 9
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class _PyTime(enum.IntEnum):
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# Round towards zero
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ROUND_DOWN = 0
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# Round away from zero
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ROUND_UP = 1
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ALL_ROUNDING_METHODS = (_PyTime.ROUND_UP, _PyTime.ROUND_DOWN)
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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_time(self):
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time.time()
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info = time.get_clock_info('time')
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self.assertFalse(info.monotonic)
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self.assertTrue(info.adjustable)
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def test_clock(self):
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time.clock()
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info = time.get_clock_info('clock')
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self.assertTrue(info.monotonic)
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self.assertFalse(info.adjustable)
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@unittest.skipUnless(hasattr(time, 'clock_gettime'),
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'need time.clock_gettime()')
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def test_clock_realtime(self):
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time.clock_gettime(time.CLOCK_REALTIME)
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@unittest.skipUnless(hasattr(time, 'clock_gettime'),
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'need time.clock_gettime()')
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@unittest.skipUnless(hasattr(time, 'CLOCK_MONOTONIC'),
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'need time.CLOCK_MONOTONIC')
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def test_clock_monotonic(self):
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a = time.clock_gettime(time.CLOCK_MONOTONIC)
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b = time.clock_gettime(time.CLOCK_MONOTONIC)
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self.assertLessEqual(a, b)
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@unittest.skipUnless(hasattr(time, 'clock_getres'),
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'need time.clock_getres()')
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def test_clock_getres(self):
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res = time.clock_getres(time.CLOCK_REALTIME)
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self.assertGreater(res, 0.0)
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self.assertLessEqual(res, 1.0)
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@unittest.skipUnless(hasattr(time, 'clock_settime'),
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'need time.clock_settime()')
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def test_clock_settime(self):
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t = time.clock_gettime(time.CLOCK_REALTIME)
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try:
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time.clock_settime(time.CLOCK_REALTIME, t)
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except PermissionError:
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pass
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if hasattr(time, 'CLOCK_MONOTONIC'):
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self.assertRaises(OSError,
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time.clock_settime, time.CLOCK_MONOTONIC, 0)
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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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self.assertRaises(ValueError, time.sleep, -2)
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self.assertRaises(ValueError, time.sleep, -1)
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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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# Issue #10762: Guard against invalid/non-supported format string
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# so that Python don't crash (Windows crashes when the format string
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# input to [w]strftime is not kosher.
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if sys.platform.startswith('win'):
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with self.assertRaises(ValueError):
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time.strftime('%f')
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def _bounds_checking(self, func):
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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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func((1900, 0, 1, 0, 0, 0, 0, 1, -1))
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func((1900, 12, 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, 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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func((1900, 1, 0, 0, 0, 0, 0, 1, -1))
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func((1900, 1, 31, 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, 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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func((1900, 1, 1, 23, 0, 0, 0, 1, -1))
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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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func((1900, 1, 1, 0, 59, 0, 0, 1, -1))
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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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func((1900, 1, 1, 0, 0, 60, 0, 1, -1))
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func((1900, 1, 1, 0, 0, 61, 0, 1, -1))
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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.assertEqual(func((1900, 1, 1, 0, 0, 0, -1, 1, -1)),
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func((1900, 1, 1, 0, 0, 0, +6, 1, -1)))
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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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func((1900, 1, 1, 0, 0, 0, 0, 0, -1))
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func((1900, 1, 1, 0, 0, 0, 0, 366, -1))
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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
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# values. No test for daylight savings since strftime() does
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# not change output based on its value and no test for year
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# because systems vary in their support for year 0.
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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", (2000,)+(0,)*8)
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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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# raising 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_strptime_exception_context(self):
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# check that this doesn't chain exceptions needlessly (see #17572)
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with self.assertRaises(ValueError) as e:
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time.strptime('', '%D')
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self.assertIs(e.exception.__suppress_context__, True)
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# additional check for IndexError branch (issue #19545)
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with self.assertRaises(ValueError) as e:
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time.strptime('19', '%Y %')
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self.assertIs(e.exception.__suppress_context__, True)
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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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for bigyear in TIME_MAXYEAR, TIME_MINYEAR:
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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,
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(TIME_MAXYEAR + 1,) + (0,) * 8)
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self.assertRaises(OverflowError, time.asctime,
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(TIME_MINYEAR - 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, 2050, 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.skipUnless(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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# Issue #11886: Australian Eastern Standard Time (UTC+10) is called
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# "EST" (as Eastern Standard Time, UTC-5) instead of "AEST"
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# (non-DST timezone), and "EDT" instead of "AEDT" (DST timezone),
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# on some operating systems (e.g. FreeBSD), which is wrong. See for
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# example this bug:
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# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=93810
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self.assertIn(time.tzname[0], ('AEST' 'EST'), time.tzname[0])
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self.assertTrue(time.tzname[1] in ('AEDT', 'EDT'), 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(OverflowError, 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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def test_mktime(self):
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# Issue #1726687
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for t in (-2, -1, 0, 1):
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if sys.platform.startswith('aix') and t == -1:
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# Issue #11188, #19748: mktime() returns -1 on error. On Linux,
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# the tm_wday field is used as a sentinel () to detect if -1 is
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# really an error or a valid timestamp. On AIX, tm_wday is
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# unchanged even on success and so cannot be used as a
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# sentinel.
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continue
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try:
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tt = time.localtime(t)
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except (OverflowError, OSError):
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pass
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else:
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self.assertEqual(time.mktime(tt), t)
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# Issue #13309: passing extreme values to mktime() or localtime()
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# borks the glibc's internal timezone data.
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@unittest.skipUnless(platform.libc_ver()[0] != 'glibc',
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"disabled because of a bug in glibc. Issue #13309")
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def test_mktime_error(self):
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# It may not be possible to reliably make mktime return error
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# on all platfom. This will make sure that no other exception
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# than OverflowError is raised for an extreme value.
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tt = time.gmtime(self.t)
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tzname = time.strftime('%Z', tt)
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self.assertNotEqual(tzname, 'LMT')
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try:
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time.mktime((-1, 1, 1, 0, 0, 0, -1, -1, -1))
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except OverflowError:
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pass
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self.assertEqual(time.strftime('%Z', tt), tzname)
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@unittest.skipUnless(hasattr(time, 'monotonic'),
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'need time.monotonic')
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def test_monotonic(self):
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# monotonic() should not go backward
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times = [time.monotonic() for n in range(100)]
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t1 = times[0]
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for t2 in times[1:]:
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self.assertGreaterEqual(t2, t1, "times=%s" % times)
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t1 = t2
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# monotonic() includes time elapsed during a sleep
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t1 = time.monotonic()
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time.sleep(0.5)
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t2 = time.monotonic()
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dt = t2 - t1
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self.assertGreater(t2, t1)
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# Issue #20101: On some Windows machines, dt may be slightly low
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self.assertTrue(0.45 <= dt <= 1.0, dt)
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# monotonic() is a monotonic but non adjustable clock
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info = time.get_clock_info('monotonic')
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self.assertTrue(info.monotonic)
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self.assertFalse(info.adjustable)
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def test_perf_counter(self):
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time.perf_counter()
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def test_process_time(self):
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# process_time() should not include time spend during a sleep
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start = time.process_time()
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time.sleep(0.100)
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stop = time.process_time()
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# use 20 ms because process_time() has usually a resolution of 15 ms
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# on Windows
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self.assertLess(stop - start, 0.020)
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info = time.get_clock_info('process_time')
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self.assertTrue(info.monotonic)
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self.assertFalse(info.adjustable)
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|
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@unittest.skipUnless(hasattr(time, 'monotonic'),
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'need time.monotonic')
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@unittest.skipUnless(hasattr(time, 'clock_settime'),
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'need time.clock_settime')
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def test_monotonic_settime(self):
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t1 = time.monotonic()
|
|
realtime = time.clock_gettime(time.CLOCK_REALTIME)
|
|
# jump backward with an offset of 1 hour
|
|
try:
|
|
time.clock_settime(time.CLOCK_REALTIME, realtime - 3600)
|
|
except PermissionError as err:
|
|
self.skipTest(err)
|
|
t2 = time.monotonic()
|
|
time.clock_settime(time.CLOCK_REALTIME, realtime)
|
|
# monotonic must not be affected by system clock updates
|
|
self.assertGreaterEqual(t2, t1)
|
|
|
|
def test_localtime_failure(self):
|
|
# Issue #13847: check for localtime() failure
|
|
invalid_time_t = None
|
|
for time_t in (-1, 2**30, 2**33, 2**60):
|
|
try:
|
|
time.localtime(time_t)
|
|
except OverflowError:
|
|
self.skipTest("need 64-bit time_t")
|
|
except OSError:
|
|
invalid_time_t = time_t
|
|
break
|
|
if invalid_time_t is None:
|
|
self.skipTest("unable to find an invalid time_t value")
|
|
|
|
self.assertRaises(OSError, time.localtime, invalid_time_t)
|
|
self.assertRaises(OSError, time.ctime, invalid_time_t)
|
|
|
|
def test_get_clock_info(self):
|
|
clocks = ['clock', 'perf_counter', 'process_time', 'time']
|
|
if hasattr(time, 'monotonic'):
|
|
clocks.append('monotonic')
|
|
|
|
for name in clocks:
|
|
info = time.get_clock_info(name)
|
|
#self.assertIsInstance(info, dict)
|
|
self.assertIsInstance(info.implementation, str)
|
|
self.assertNotEqual(info.implementation, '')
|
|
self.assertIsInstance(info.monotonic, bool)
|
|
self.assertIsInstance(info.resolution, float)
|
|
# 0.0 < resolution <= 1.0
|
|
self.assertGreater(info.resolution, 0.0)
|
|
self.assertLessEqual(info.resolution, 1.0)
|
|
self.assertIsInstance(info.adjustable, bool)
|
|
|
|
self.assertRaises(ValueError, time.get_clock_info, 'xxx')
|
|
|
|
|
|
class TestLocale(unittest.TestCase):
|
|
def setUp(self):
|
|
self.oldloc = locale.setlocale(locale.LC_ALL)
|
|
|
|
def tearDown(self):
|
|
locale.setlocale(locale.LC_ALL, self.oldloc)
|
|
|
|
def test_bug_3061(self):
|
|
try:
|
|
tmp = locale.setlocale(locale.LC_ALL, "fr_FR")
|
|
except locale.Error:
|
|
self.skipTest('could not set locale.LC_ALL to fr_FR')
|
|
# This should not cause an exception
|
|
time.strftime("%B", (2009,2,1,0,0,0,0,0,0))
|
|
|
|
|
|
class _TestAsctimeYear:
|
|
_format = '%d'
|
|
|
|
def yearstr(self, y):
|
|
return time.asctime((y,) + (0,) * 8).split()[-1]
|
|
|
|
def test_large_year(self):
|
|
# Check that it doesn't crash for year > 9999
|
|
self.assertEqual(self.yearstr(12345), '12345')
|
|
self.assertEqual(self.yearstr(123456789), '123456789')
|
|
|
|
class _TestStrftimeYear:
|
|
|
|
# Issue 13305: For years < 1000, the value is not always
|
|
# padded to 4 digits across platforms. The C standard
|
|
# assumes year >= 1900, so it does not specify the number
|
|
# of digits.
|
|
|
|
if time.strftime('%Y', (1,) + (0,) * 8) == '0001':
|
|
_format = '%04d'
|
|
else:
|
|
_format = '%d'
|
|
|
|
def yearstr(self, y):
|
|
return time.strftime('%Y', (y,) + (0,) * 8)
|
|
|
|
def test_4dyear(self):
|
|
# Check that we can return the zero padded value.
|
|
if self._format == '%04d':
|
|
self.test_year('%04d')
|
|
else:
|
|
def year4d(y):
|
|
return time.strftime('%4Y', (y,) + (0,) * 8)
|
|
self.test_year('%04d', func=year4d)
|
|
|
|
def skip_if_not_supported(y):
|
|
msg = "strftime() is limited to [1; 9999] with Visual Studio"
|
|
# Check that it doesn't crash for year > 9999
|
|
try:
|
|
time.strftime('%Y', (y,) + (0,) * 8)
|
|
except ValueError:
|
|
cond = False
|
|
else:
|
|
cond = True
|
|
return unittest.skipUnless(cond, msg)
|
|
|
|
@skip_if_not_supported(10000)
|
|
def test_large_year(self):
|
|
return super().test_large_year()
|
|
|
|
@skip_if_not_supported(0)
|
|
def test_negative(self):
|
|
return super().test_negative()
|
|
|
|
del skip_if_not_supported
|
|
|
|
|
|
class _Test4dYear:
|
|
_format = '%d'
|
|
|
|
def test_year(self, fmt=None, func=None):
|
|
fmt = fmt or self._format
|
|
func = func or self.yearstr
|
|
self.assertEqual(func(1), fmt % 1)
|
|
self.assertEqual(func(68), fmt % 68)
|
|
self.assertEqual(func(69), fmt % 69)
|
|
self.assertEqual(func(99), fmt % 99)
|
|
self.assertEqual(func(999), fmt % 999)
|
|
self.assertEqual(func(9999), fmt % 9999)
|
|
|
|
def test_large_year(self):
|
|
self.assertEqual(self.yearstr(12345), '12345')
|
|
self.assertEqual(self.yearstr(123456789), '123456789')
|
|
self.assertEqual(self.yearstr(TIME_MAXYEAR), str(TIME_MAXYEAR))
|
|
self.assertRaises(OverflowError, self.yearstr, TIME_MAXYEAR + 1)
|
|
|
|
def test_negative(self):
|
|
self.assertEqual(self.yearstr(-1), self._format % -1)
|
|
self.assertEqual(self.yearstr(-1234), '-1234')
|
|
self.assertEqual(self.yearstr(-123456), '-123456')
|
|
self.assertEqual(self.yearstr(-123456789), str(-123456789))
|
|
self.assertEqual(self.yearstr(-1234567890), str(-1234567890))
|
|
self.assertEqual(self.yearstr(TIME_MINYEAR + 1900), str(TIME_MINYEAR + 1900))
|
|
# Issue #13312: it may return wrong value for year < TIME_MINYEAR + 1900
|
|
# Skip the value test, but check that no error is raised
|
|
self.yearstr(TIME_MINYEAR)
|
|
# self.assertEqual(self.yearstr(TIME_MINYEAR), str(TIME_MINYEAR))
|
|
self.assertRaises(OverflowError, self.yearstr, TIME_MINYEAR - 1)
|
|
|
|
|
|
class TestAsctime4dyear(_TestAsctimeYear, _Test4dYear, unittest.TestCase):
|
|
pass
|
|
|
|
class TestStrftime4dyear(_TestStrftimeYear, _Test4dYear, unittest.TestCase):
|
|
pass
|
|
|
|
|
|
class TestPytime(unittest.TestCase):
|
|
def setUp(self):
|
|
self.invalid_values = (
|
|
-(2 ** 100), 2 ** 100,
|
|
-(2.0 ** 100.0), 2.0 ** 100.0,
|
|
)
|
|
|
|
@support.cpython_only
|
|
def test_time_t(self):
|
|
from _testcapi import pytime_object_to_time_t
|
|
for obj, time_t, rnd in (
|
|
# Round towards zero
|
|
(0, 0, _PyTime.ROUND_DOWN),
|
|
(-1, -1, _PyTime.ROUND_DOWN),
|
|
(-1.0, -1, _PyTime.ROUND_DOWN),
|
|
(-1.9, -1, _PyTime.ROUND_DOWN),
|
|
(1.0, 1, _PyTime.ROUND_DOWN),
|
|
(1.9, 1, _PyTime.ROUND_DOWN),
|
|
# Round away from zero
|
|
(0, 0, _PyTime.ROUND_UP),
|
|
(-1, -1, _PyTime.ROUND_UP),
|
|
(-1.0, -1, _PyTime.ROUND_UP),
|
|
(-1.9, -2, _PyTime.ROUND_UP),
|
|
(1.0, 1, _PyTime.ROUND_UP),
|
|
(1.9, 2, _PyTime.ROUND_UP),
|
|
):
|
|
self.assertEqual(pytime_object_to_time_t(obj, rnd), time_t)
|
|
|
|
rnd = _PyTime.ROUND_DOWN
|
|
for invalid in self.invalid_values:
|
|
self.assertRaises(OverflowError,
|
|
pytime_object_to_time_t, invalid, rnd)
|
|
|
|
@support.cpython_only
|
|
def test_timeval(self):
|
|
from _testcapi import pytime_object_to_timeval
|
|
for obj, timeval, rnd in (
|
|
# Round towards zero
|
|
(0, (0, 0), _PyTime.ROUND_DOWN),
|
|
(-1, (-1, 0), _PyTime.ROUND_DOWN),
|
|
(-1.0, (-1, 0), _PyTime.ROUND_DOWN),
|
|
(1e-6, (0, 1), _PyTime.ROUND_DOWN),
|
|
(1e-7, (0, 0), _PyTime.ROUND_DOWN),
|
|
(-1e-6, (-1, 999999), _PyTime.ROUND_DOWN),
|
|
(-1e-7, (-1, 999999), _PyTime.ROUND_DOWN),
|
|
(-1.2, (-2, 800000), _PyTime.ROUND_DOWN),
|
|
(0.9999999, (0, 999999), _PyTime.ROUND_DOWN),
|
|
(0.0000041, (0, 4), _PyTime.ROUND_DOWN),
|
|
(1.1234560, (1, 123456), _PyTime.ROUND_DOWN),
|
|
(1.1234569, (1, 123456), _PyTime.ROUND_DOWN),
|
|
(-0.0000040, (-1, 999996), _PyTime.ROUND_DOWN),
|
|
(-0.0000041, (-1, 999995), _PyTime.ROUND_DOWN),
|
|
(-1.1234560, (-2, 876544), _PyTime.ROUND_DOWN),
|
|
(-1.1234561, (-2, 876543), _PyTime.ROUND_DOWN),
|
|
# Round away from zero
|
|
(0, (0, 0), _PyTime.ROUND_UP),
|
|
(-1, (-1, 0), _PyTime.ROUND_UP),
|
|
(-1.0, (-1, 0), _PyTime.ROUND_UP),
|
|
(1e-6, (0, 1), _PyTime.ROUND_UP),
|
|
(1e-7, (0, 1), _PyTime.ROUND_UP),
|
|
(-1e-6, (-1, 999999), _PyTime.ROUND_UP),
|
|
(-1e-7, (-1, 999999), _PyTime.ROUND_UP),
|
|
(-1.2, (-2, 800000), _PyTime.ROUND_UP),
|
|
(0.9999999, (1, 0), _PyTime.ROUND_UP),
|
|
(0.0000041, (0, 5), _PyTime.ROUND_UP),
|
|
(1.1234560, (1, 123457), _PyTime.ROUND_UP),
|
|
(1.1234569, (1, 123457), _PyTime.ROUND_UP),
|
|
(-0.0000040, (-1, 999996), _PyTime.ROUND_UP),
|
|
(-0.0000041, (-1, 999995), _PyTime.ROUND_UP),
|
|
(-1.1234560, (-2, 876544), _PyTime.ROUND_UP),
|
|
(-1.1234561, (-2, 876543), _PyTime.ROUND_UP),
|
|
):
|
|
with self.subTest(obj=obj, round=rnd, timeval=timeval):
|
|
self.assertEqual(pytime_object_to_timeval(obj, rnd), timeval)
|
|
|
|
rnd = _PyTime.ROUND_DOWN
|
|
for invalid in self.invalid_values:
|
|
self.assertRaises(OverflowError,
|
|
pytime_object_to_timeval, invalid, rnd)
|
|
|
|
@support.cpython_only
|
|
def test_timespec(self):
|
|
from _testcapi import pytime_object_to_timespec
|
|
for obj, timespec, rnd in (
|
|
# Round towards zero
|
|
(0, (0, 0), _PyTime.ROUND_DOWN),
|
|
(-1, (-1, 0), _PyTime.ROUND_DOWN),
|
|
(-1.0, (-1, 0), _PyTime.ROUND_DOWN),
|
|
(1e-9, (0, 1), _PyTime.ROUND_DOWN),
|
|
(1e-10, (0, 0), _PyTime.ROUND_DOWN),
|
|
(-1e-9, (-1, 999999999), _PyTime.ROUND_DOWN),
|
|
(-1e-10, (-1, 999999999), _PyTime.ROUND_DOWN),
|
|
(-1.2, (-2, 800000000), _PyTime.ROUND_DOWN),
|
|
(0.9999999999, (0, 999999999), _PyTime.ROUND_DOWN),
|
|
(1.1234567890, (1, 123456789), _PyTime.ROUND_DOWN),
|
|
(1.1234567899, (1, 123456789), _PyTime.ROUND_DOWN),
|
|
(-1.1234567890, (-2, 876543211), _PyTime.ROUND_DOWN),
|
|
(-1.1234567891, (-2, 876543210), _PyTime.ROUND_DOWN),
|
|
# Round away from zero
|
|
(0, (0, 0), _PyTime.ROUND_UP),
|
|
(-1, (-1, 0), _PyTime.ROUND_UP),
|
|
(-1.0, (-1, 0), _PyTime.ROUND_UP),
|
|
(1e-9, (0, 1), _PyTime.ROUND_UP),
|
|
(1e-10, (0, 1), _PyTime.ROUND_UP),
|
|
(-1e-9, (-1, 999999999), _PyTime.ROUND_UP),
|
|
(-1e-10, (-1, 999999999), _PyTime.ROUND_UP),
|
|
(-1.2, (-2, 800000000), _PyTime.ROUND_UP),
|
|
(0.9999999999, (1, 0), _PyTime.ROUND_UP),
|
|
(1.1234567890, (1, 123456790), _PyTime.ROUND_UP),
|
|
(1.1234567899, (1, 123456790), _PyTime.ROUND_UP),
|
|
(-1.1234567890, (-2, 876543211), _PyTime.ROUND_UP),
|
|
(-1.1234567891, (-2, 876543210), _PyTime.ROUND_UP),
|
|
):
|
|
with self.subTest(obj=obj, round=rnd, timespec=timespec):
|
|
self.assertEqual(pytime_object_to_timespec(obj, rnd), timespec)
|
|
|
|
rnd = _PyTime.ROUND_DOWN
|
|
for invalid in self.invalid_values:
|
|
self.assertRaises(OverflowError,
|
|
pytime_object_to_timespec, invalid, rnd)
|
|
|
|
@unittest.skipUnless(time._STRUCT_TM_ITEMS == 11, "needs tm_zone support")
|
|
def test_localtime_timezone(self):
|
|
|
|
# Get the localtime and examine it for the offset and zone.
|
|
lt = time.localtime()
|
|
self.assertTrue(hasattr(lt, "tm_gmtoff"))
|
|
self.assertTrue(hasattr(lt, "tm_zone"))
|
|
|
|
# See if the offset and zone are similar to the module
|
|
# attributes.
|
|
if lt.tm_gmtoff is None:
|
|
self.assertTrue(not hasattr(time, "timezone"))
|
|
else:
|
|
self.assertEqual(lt.tm_gmtoff, -[time.timezone, time.altzone][lt.tm_isdst])
|
|
if lt.tm_zone is None:
|
|
self.assertTrue(not hasattr(time, "tzname"))
|
|
else:
|
|
self.assertEqual(lt.tm_zone, time.tzname[lt.tm_isdst])
|
|
|
|
# Try and make UNIX times from the localtime and a 9-tuple
|
|
# created from the localtime. Test to see that the times are
|
|
# the same.
|
|
t = time.mktime(lt); t9 = time.mktime(lt[:9])
|
|
self.assertEqual(t, t9)
|
|
|
|
# Make localtimes from the UNIX times and compare them to
|
|
# the original localtime, thus making a round trip.
|
|
new_lt = time.localtime(t); new_lt9 = time.localtime(t9)
|
|
self.assertEqual(new_lt, lt)
|
|
self.assertEqual(new_lt.tm_gmtoff, lt.tm_gmtoff)
|
|
self.assertEqual(new_lt.tm_zone, lt.tm_zone)
|
|
self.assertEqual(new_lt9, lt)
|
|
self.assertEqual(new_lt.tm_gmtoff, lt.tm_gmtoff)
|
|
self.assertEqual(new_lt9.tm_zone, lt.tm_zone)
|
|
|
|
@unittest.skipUnless(time._STRUCT_TM_ITEMS == 11, "needs tm_zone support")
|
|
def test_strptime_timezone(self):
|
|
t = time.strptime("UTC", "%Z")
|
|
self.assertEqual(t.tm_zone, 'UTC')
|
|
t = time.strptime("+0500", "%z")
|
|
self.assertEqual(t.tm_gmtoff, 5 * 3600)
|
|
|
|
@unittest.skipUnless(time._STRUCT_TM_ITEMS == 11, "needs tm_zone support")
|
|
def test_short_times(self):
|
|
|
|
import pickle
|
|
|
|
# Load a short time structure using pickle.
|
|
st = b"ctime\nstruct_time\np0\n((I2007\nI8\nI11\nI1\nI24\nI49\nI5\nI223\nI1\ntp1\n(dp2\ntp3\nRp4\n."
|
|
lt = pickle.loads(st)
|
|
self.assertIs(lt.tm_gmtoff, None)
|
|
self.assertIs(lt.tm_zone, None)
|
|
|
|
|
|
@unittest.skipUnless(_testcapi is not None,
|
|
'need the _testcapi module')
|
|
class TestPyTime_t(unittest.TestCase):
|
|
def test_FromSecondsObject(self):
|
|
from _testcapi import PyTime_FromSecondsObject
|
|
|
|
# Conversion giving the same result for all rounding methods
|
|
for rnd in ALL_ROUNDING_METHODS:
|
|
for obj, ts in (
|
|
# integers
|
|
(0, 0),
|
|
(1, SEC_TO_NS),
|
|
(-3, -3 * SEC_TO_NS),
|
|
|
|
# float: subseconds
|
|
(0.0, 0),
|
|
(1e-9, 1),
|
|
(1e-6, 10 ** 3),
|
|
(1e-3, 10 ** 6),
|
|
|
|
# float: seconds
|
|
(2.0, 2 * SEC_TO_NS),
|
|
(123.0, 123 * SEC_TO_NS),
|
|
(-7.0, -7 * SEC_TO_NS),
|
|
|
|
# nanosecond are kept for value <= 2^23 seconds
|
|
(2**22 - 1e-9, 4194303999999999),
|
|
(2**22, 4194304000000000),
|
|
(2**22 + 1e-9, 4194304000000001),
|
|
(2**23 - 1e-9, 8388607999999999),
|
|
(2**23, 8388608000000000),
|
|
|
|
# start loosing precision for value > 2^23 seconds
|
|
(2**23 + 1e-9, 8388608000000002),
|
|
|
|
# nanoseconds are lost for value > 2^23 seconds
|
|
(2**24 - 1e-9, 16777215999999998),
|
|
(2**24, 16777216000000000),
|
|
(2**24 + 1e-9, 16777216000000000),
|
|
(2**25 - 1e-9, 33554432000000000),
|
|
(2**25 , 33554432000000000),
|
|
(2**25 + 1e-9, 33554432000000000),
|
|
|
|
# close to 2^63 nanoseconds (_PyTime_t limit)
|
|
(9223372036, 9223372036 * SEC_TO_NS),
|
|
(9223372036.0, 9223372036 * SEC_TO_NS),
|
|
(-9223372036, -9223372036 * SEC_TO_NS),
|
|
(-9223372036.0, -9223372036 * SEC_TO_NS),
|
|
):
|
|
with self.subTest(obj=obj, round=rnd, timestamp=ts):
|
|
self.assertEqual(PyTime_FromSecondsObject(obj, rnd), ts)
|
|
|
|
with self.subTest(round=rnd):
|
|
with self.assertRaises(OverflowError):
|
|
PyTime_FromSecondsObject(9223372037, rnd)
|
|
PyTime_FromSecondsObject(9223372037.0, rnd)
|
|
PyTime_FromSecondsObject(-9223372037, rnd)
|
|
PyTime_FromSecondsObject(-9223372037.0, rnd)
|
|
|
|
# Conversion giving different results depending on the rounding method
|
|
UP = _PyTime.ROUND_UP
|
|
DOWN = _PyTime.ROUND_DOWN
|
|
for obj, ts, rnd in (
|
|
# close to zero
|
|
( 1e-10, 1, UP),
|
|
( 1e-10, 0, DOWN),
|
|
(-1e-10, 0, DOWN),
|
|
(-1e-10, -1, UP),
|
|
|
|
# test rounding of the last nanosecond
|
|
( 1.1234567899, 1123456790, UP),
|
|
( 1.1234567899, 1123456789, DOWN),
|
|
(-1.1234567899, -1123456789, DOWN),
|
|
(-1.1234567899, -1123456790, UP),
|
|
|
|
# close to 1 second
|
|
( 0.9999999999, 1000000000, UP),
|
|
( 0.9999999999, 999999999, DOWN),
|
|
(-0.9999999999, -999999999, DOWN),
|
|
(-0.9999999999, -1000000000, UP),
|
|
):
|
|
with self.subTest(obj=obj, round=rnd, timestamp=ts):
|
|
self.assertEqual(PyTime_FromSecondsObject(obj, rnd), ts)
|
|
|
|
def test_AsSecondsDouble(self):
|
|
from _testcapi import PyTime_AsSecondsDouble
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for nanoseconds, seconds in (
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# near 1 nanosecond
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( 0, 0.0),
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( 1, 1e-9),
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(-1, -1e-9),
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# near 1 second
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(SEC_TO_NS + 1, 1.0 + 1e-9),
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(SEC_TO_NS, 1.0),
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(SEC_TO_NS - 1, 1.0 - 1e-9),
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# a few seconds
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(123 * SEC_TO_NS, 123.0),
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(-567 * SEC_TO_NS, -567.0),
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# nanosecond are kept for value <= 2^23 seconds
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(4194303999999999, 2**22 - 1e-9),
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(4194304000000000, 2**22),
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(4194304000000001, 2**22 + 1e-9),
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# start loosing precision for value > 2^23 seconds
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(8388608000000002, 2**23 + 1e-9),
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# nanoseconds are lost for value > 2^23 seconds
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(16777215999999998, 2**24 - 1e-9),
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(16777215999999999, 2**24 - 1e-9),
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(16777216000000000, 2**24 ),
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(16777216000000001, 2**24 ),
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(16777216000000002, 2**24 + 2e-9),
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(33554432000000000, 2**25 ),
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(33554432000000002, 2**25 ),
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(33554432000000004, 2**25 + 4e-9),
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# close to 2^63 nanoseconds (_PyTime_t limit)
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(9223372036 * SEC_TO_NS, 9223372036.0),
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(-9223372036 * SEC_TO_NS, -9223372036.0),
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):
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with self.subTest(nanoseconds=nanoseconds, seconds=seconds):
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self.assertEqual(PyTime_AsSecondsDouble(nanoseconds),
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seconds)
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@unittest.skipUnless(hasattr(_testcapi, 'PyTime_AsTimespec'),
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'need _testcapi.PyTime_AsTimespec')
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def test_timespec(self):
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from _testcapi import PyTime_AsTimespec
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for ns, ts in (
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# nanoseconds
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(0, (0, 0)),
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(1, (0, 1)),
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(-1, (-1, 999999999)),
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# seconds
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(2 * SEC_TO_NS, (2, 0)),
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(-3 * SEC_TO_NS, (-3, 0)),
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# seconds + nanoseconds
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(1234567890, (1, 234567890)),
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(-1234567890, (-2, 765432110)),
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):
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with self.subTest(nanoseconds=ns, timespec=ts):
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self.assertEqual(PyTime_AsTimespec(ns), ts)
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if __name__ == "__main__":
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unittest.main()
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