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[Jython-checkins] SF.net SVN: jython: [4614] trunk/jython/Lib/test/test_time.py
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From: <pj...@us...> - 2008-06-13 19:20:38
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Revision: 4614
http://jython.svn.sourceforge.net/jython/?rev=4614&view=rev
Author: pjenvey
Date: 2008-06-13 12:20:35 -0700 (Fri, 13 Jun 2008)
Log Message:
-----------
from:
http://svn.python.org/projects/python/branches/release25-maint/Lib/test/test_time.py@50696
Added Paths:
-----------
trunk/jython/Lib/test/test_time.py
Added: trunk/jython/Lib/test/test_time.py
===================================================================
--- trunk/jython/Lib/test/test_time.py (rev 0)
+++ trunk/jython/Lib/test/test_time.py 2008-06-13 19:20:35 UTC (rev 4614)
@@ -0,0 +1,222 @@
+from test import test_support
+import time
+import unittest
+
+
+class TimeTestCase(unittest.TestCase):
+
+ def setUp(self):
+ self.t = time.time()
+
+ def test_data_attributes(self):
+ time.altzone
+ time.daylight
+ time.timezone
+ time.tzname
+
+ def test_clock(self):
+ time.clock()
+
+ def test_conversions(self):
+ self.assert_(time.ctime(self.t)
+ == time.asctime(time.localtime(self.t)))
+ self.assert_(long(time.mktime(time.localtime(self.t)))
+ == long(self.t))
+
+ def test_sleep(self):
+ time.sleep(1.2)
+
+ def test_strftime(self):
+ tt = time.gmtime(self.t)
+ for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
+ 'j', 'm', 'M', 'p', 'S',
+ 'U', 'w', 'W', 'x', 'X', 'y', 'Y', 'Z', '%'):
+ format = ' %' + directive
+ try:
+ time.strftime(format, tt)
+ except ValueError:
+ self.fail('conversion specifier: %r failed.' % format)
+
+ def test_strftime_bounds_checking(self):
+ # Make sure that strftime() checks the bounds of the various parts
+ #of the time tuple (0 is valid for *all* values).
+
+ # Check year [1900, max(int)]
+ self.assertRaises(ValueError, time.strftime, '',
+ (1899, 1, 1, 0, 0, 0, 0, 1, -1))
+ if time.accept2dyear:
+ self.assertRaises(ValueError, time.strftime, '',
+ (-1, 1, 1, 0, 0, 0, 0, 1, -1))
+ self.assertRaises(ValueError, time.strftime, '',
+ (100, 1, 1, 0, 0, 0, 0, 1, -1))
+ # Check month [1, 12] + zero support
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, -1, 1, 0, 0, 0, 0, 1, -1))
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 13, 1, 0, 0, 0, 0, 1, -1))
+ # Check day of month [1, 31] + zero support
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, -1, 0, 0, 0, 0, 1, -1))
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 32, 0, 0, 0, 0, 1, -1))
+ # Check hour [0, 23]
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, -1, 0, 0, 0, 1, -1))
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 24, 0, 0, 0, 1, -1))
+ # Check minute [0, 59]
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, -1, 0, 0, 1, -1))
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, 60, 0, 0, 1, -1))
+ # Check second [0, 61]
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, 0, -1, 0, 1, -1))
+ # C99 only requires allowing for one leap second, but Python's docs say
+ # allow two leap seconds (0..61)
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, 0, 62, 0, 1, -1))
+ # No check for upper-bound day of week;
+ # value forced into range by a ``% 7`` calculation.
+ # Start check at -2 since gettmarg() increments value before taking
+ # modulo.
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, 0, 0, -2, 1, -1))
+ # Check day of the year [1, 366] + zero support
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, 0, 0, 0, -1, -1))
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, 0, 0, 0, 367, -1))
+ # Check daylight savings flag [-1, 1]
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, 0, 0, 0, 1, -2))
+ self.assertRaises(ValueError, time.strftime, '',
+ (1900, 1, 1, 0, 0, 0, 0, 1, 2))
+
+ def test_default_values_for_zero(self):
+ # Make sure that using all zeros uses the proper default values.
+ # No test for daylight savings since strftime() does not change output
+ # based on its value.
+ expected = "2000 01 01 00 00 00 1 001"
+ result = time.strftime("%Y %m %d %H %M %S %w %j", (0,)*9)
+ self.assertEquals(expected, result)
+
+ def test_strptime(self):
+ tt = time.gmtime(self.t)
+ for directive in ('a', 'A', 'b', 'B', 'c', 'd', 'H', 'I',
+ 'j', 'm', 'M', 'p', 'S',
+ 'U', 'w', 'W', 'x', 'X', 'y', 'Y', 'Z', '%'):
+ format = ' %' + directive
+ try:
+ time.strptime(time.strftime(format, tt), format)
+ except ValueError:
+ self.fail('conversion specifier: %r failed.' % format)
+
+ def test_asctime(self):
+ time.asctime(time.gmtime(self.t))
+ self.assertRaises(TypeError, time.asctime, 0)
+
+ def test_tzset(self):
+ if not hasattr(time, "tzset"):
+ return # Can't test this; don't want the test suite to fail
+
+ from os import environ
+
+ # Epoch time of midnight Dec 25th 2002. Never DST in northern
+ # hemisphere.
+ xmas2002 = 1040774400.0
+
+ # These formats are correct for 2002, and possibly future years
+ # This format is the 'standard' as documented at:
+ # http://www.opengroup.org/onlinepubs/007904975/basedefs/xbd_chap08.html
+ # They are also documented in the tzset(3) man page on most Unix
+ # systems.
+ eastern = 'EST+05EDT,M4.1.0,M10.5.0'
+ victoria = 'AEST-10AEDT-11,M10.5.0,M3.5.0'
+ utc='UTC+0'
+
+ org_TZ = environ.get('TZ',None)
+ try:
+ # Make sure we can switch to UTC time and results are correct
+ # Note that unknown timezones default to UTC.
+ # Note that altzone is undefined in UTC, as there is no DST
+ environ['TZ'] = eastern
+ time.tzset()
+ environ['TZ'] = utc
+ time.tzset()
+ self.failUnlessEqual(
+ time.gmtime(xmas2002), time.localtime(xmas2002)
+ )
+ self.failUnlessEqual(time.daylight, 0)
+ self.failUnlessEqual(time.timezone, 0)
+ self.failUnlessEqual(time.localtime(xmas2002).tm_isdst, 0)
+
+ # Make sure we can switch to US/Eastern
+ environ['TZ'] = eastern
+ time.tzset()
+ self.failIfEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
+ self.failUnlessEqual(time.tzname, ('EST', 'EDT'))
+ self.failUnlessEqual(len(time.tzname), 2)
+ self.failUnlessEqual(time.daylight, 1)
+ self.failUnlessEqual(time.timezone, 18000)
+ self.failUnlessEqual(time.altzone, 14400)
+ self.failUnlessEqual(time.localtime(xmas2002).tm_isdst, 0)
+ self.failUnlessEqual(len(time.tzname), 2)
+
+ # Now go to the southern hemisphere.
+ environ['TZ'] = victoria
+ time.tzset()
+ self.failIfEqual(time.gmtime(xmas2002), time.localtime(xmas2002))
+ self.failUnless(time.tzname[0] == 'AEST', str(time.tzname[0]))
+ self.failUnless(time.tzname[1] == 'AEDT', str(time.tzname[1]))
+ self.failUnlessEqual(len(time.tzname), 2)
+ self.failUnlessEqual(time.daylight, 1)
+ self.failUnlessEqual(time.timezone, -36000)
+ self.failUnlessEqual(time.altzone, -39600)
+ self.failUnlessEqual(time.localtime(xmas2002).tm_isdst, 1)
+
+ finally:
+ # Repair TZ environment variable in case any other tests
+ # rely on it.
+ if org_TZ is not None:
+ environ['TZ'] = org_TZ
+ elif environ.has_key('TZ'):
+ del environ['TZ']
+ time.tzset()
+
+ def test_insane_timestamps(self):
+ # It's possible that some platform maps time_t to double,
+ # and that this test will fail there. This test should
+ # exempt such platforms (provided they return reasonable
+ # results!).
+ for func in time.ctime, time.gmtime, time.localtime:
+ for unreasonable in -1e200, 1e200:
+ self.assertRaises(ValueError, func, unreasonable)
+
+ def test_ctime_without_arg(self):
+ # Not sure how to check the values, since the clock could tick
+ # at any time. Make sure these are at least accepted and
+ # don't raise errors.
+ time.ctime()
+ time.ctime(None)
+
+ def test_gmtime_without_arg(self):
+ gt0 = time.gmtime()
+ gt1 = time.gmtime(None)
+ t0 = time.mktime(gt0)
+ t1 = time.mktime(gt1)
+ self.assert_(0 <= (t1-t0) < 0.2)
+
+ def test_localtime_without_arg(self):
+ lt0 = time.localtime()
+ lt1 = time.localtime(None)
+ t0 = time.mktime(lt0)
+ t1 = time.mktime(lt1)
+ self.assert_(0 <= (t1-t0) < 0.2)
+
+def test_main():
+ test_support.run_unittest(TimeTestCase)
+
+
+if __name__ == "__main__":
+ test_main()
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