diff options
Diffstat (limited to 'Lib/test/test_time.py')
| -rw-r--r-- | Lib/test/test_time.py | 240 |
1 files changed, 186 insertions, 54 deletions
diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py index 65b273557f..8499af8157 100644 --- a/Lib/test/test_time.py +++ b/Lib/test/test_time.py @@ -2,7 +2,9 @@ from test import support import time import unittest import locale +import sysconfig import sys +import warnings class TimeTestCase(unittest.TestCase): @@ -19,10 +21,10 @@ class TimeTestCase(unittest.TestCase): time.clock() def test_conversions(self): - self.assertTrue(time.ctime(self.t) - == time.asctime(time.localtime(self.t))) - self.assertTrue(int(time.mktime(time.localtime(self.t))) - == int(self.t)) + self.assertEqual(time.ctime(self.t), + time.asctime(time.localtime(self.t))) + self.assertEqual(int(time.mktime(time.localtime(self.t))), + int(self.t)) def test_sleep(self): time.sleep(1.2) @@ -45,68 +47,61 @@ class TimeTestCase(unittest.TestCase): with self.assertRaises(ValueError): time.strftime('%f') - def test_strftime_bounds_checking(self): + def _bounds_checking(self, func=time.strftime): # 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)) + # The year field is tested by other test cases above + # Check month [1, 12] + zero support - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, -1, 1, 0, 0, 0, 0, 1, -1)) - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, 13, 1, 0, 0, 0, 0, 1, -1)) # Check day of month [1, 31] + zero support - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, 1, -1, 0, 0, 0, 0, 1, -1)) - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, 1, 32, 0, 0, 0, 0, 1, -1)) # Check hour [0, 23] - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, 1, 1, -1, 0, 0, 0, 1, -1)) - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, 1, 1, 24, 0, 0, 0, 1, -1)) # Check minute [0, 59] - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, 1, 1, 0, -1, 0, 0, 1, -1)) - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, 1, 1, 0, 60, 0, 0, 1, -1)) # Check second [0, 61] - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (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, '', + self.assertRaises(ValueError, func, (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, '', + self.assertRaises(ValueError, func, (1900, 1, 1, 0, 0, 0, -2, 1, -1)) # Check day of the year [1, 366] + zero support - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (1900, 1, 1, 0, 0, 0, 0, -1, -1)) - self.assertRaises(ValueError, time.strftime, '', + self.assertRaises(ValueError, func, (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_strftime_bounding_check(self): + self._bounds_checking(lambda tup: time.strftime('', tup)) 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) + with support.check_warnings(): + result = time.strftime("%Y %m %d %H %M %S %w %j", (0,)*9) self.assertEqual(expected, result) def test_strptime(self): @@ -131,17 +126,34 @@ class TimeTestCase(unittest.TestCase): def test_asctime(self): time.asctime(time.gmtime(self.t)) + + # Max year is only limited by the size of C int. + sizeof_int = sysconfig.get_config_var('SIZEOF_INT') or 4 + bigyear = (1 << 8 * sizeof_int - 1) - 1 + asc = time.asctime((bigyear, 6, 1) + (0,)*6) + self.assertEqual(asc[-len(str(bigyear)):], str(bigyear)) + self.assertRaises(OverflowError, time.asctime, (bigyear + 1,) + (0,)*8) self.assertRaises(TypeError, time.asctime, 0) self.assertRaises(TypeError, time.asctime, ()) - # XXX: Posix compiant asctime should refuse to convert - # year > 9999, but Linux implementation does not. - # self.assertRaises(ValueError, time.asctime, - # (12345, 1, 0, 0, 0, 0, 0, 0, 0)) - # XXX: For now, just make sure we don't have a crash: - try: - time.asctime((12345, 1, 1, 0, 0, 0, 0, 1, 0)) - except ValueError: - pass + self.assertRaises(TypeError, time.asctime, (0,) * 10) + + def test_asctime_bounding_check(self): + self._bounds_checking(time.asctime) + + def test_ctime(self): + t = time.mktime((1973, 9, 16, 1, 3, 52, 0, 0, -1)) + self.assertEqual(time.ctime(t), 'Sun Sep 16 01:03:52 1973') + t = time.mktime((2000, 1, 1, 0, 0, 0, 0, 0, -1)) + self.assertEqual(time.ctime(t), 'Sat Jan 1 00:00:00 2000') + for year in [-100, 100, 1000, 2000, 10000]: + try: + testval = time.mktime((year, 1, 10) + (0,)*6) + except (ValueError, OverflowError): + # If mktime fails, ctime will fail too. This may happen + # on some platforms. + pass + else: + self.assertEqual(time.ctime(testval)[20:], str(year)) @unittest.skipIf(not hasattr(time, "tzset"), "time module has no attribute tzset") @@ -232,24 +244,14 @@ class TimeTestCase(unittest.TestCase): gt1 = time.gmtime(None) t0 = time.mktime(gt0) t1 = time.mktime(gt1) - self.assertTrue(0 <= (t1-t0) < 0.2) + self.assertAlmostEqual(t1, t0, delta=0.2) def test_localtime_without_arg(self): lt0 = time.localtime() lt1 = time.localtime(None) t0 = time.mktime(lt0) t1 = time.mktime(lt1) - self.assertTrue(0 <= (t1-t0) < 0.2) - - def test_mktime(self): - # Issue #1726687 - for t in (-2, -1, 0, 1): - try: - tt = time.localtime(t) - except (OverflowError, ValueError): - pass - else: - self.assertEqual(time.mktime(tt), t) + self.assertAlmostEqual(t1, t0, delta=0.2) class TestLocale(unittest.TestCase): def setUp(self): @@ -267,8 +269,138 @@ class TestLocale(unittest.TestCase): # This should not cause an exception time.strftime("%B", (2009,2,1,0,0,0,0,0,0)) + +class _BaseYearTest(unittest.TestCase): + accept2dyear = None + + def setUp(self): + self.saved_accept2dyear = time.accept2dyear + time.accept2dyear = self.accept2dyear + + def tearDown(self): + time.accept2dyear = self.saved_accept2dyear + + def yearstr(self, y): + raise NotImplementedError() + +class _TestAsctimeYear: + 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: + def yearstr(self, y): + return time.strftime('%Y', (y,) + (0,) * 8).split()[-1] + + def test_large_year(self): + # Check that it doesn't crash for year > 9999 + try: + text = self.yearstr(12345) + except ValueError: + # strftime() is limited to [1; 9999] with Visual Studio + return + self.assertEqual(text, '12345') + self.assertEqual(self.yearstr(123456789), '123456789') + +class _Test2dYear(_BaseYearTest): + accept2dyear = 1 + + def test_year(self): + with support.check_warnings(): + self.assertEqual(self.yearstr(0), '2000') + self.assertEqual(self.yearstr(69), '1969') + self.assertEqual(self.yearstr(68), '2068') + self.assertEqual(self.yearstr(99), '1999') + + def test_invalid(self): + self.assertRaises(ValueError, self.yearstr, -1) + self.assertRaises(ValueError, self.yearstr, 100) + self.assertRaises(ValueError, self.yearstr, 999) + +class _Test4dYear(_BaseYearTest): + accept2dyear = 0 + + def test_year(self): + self.assertIn(self.yearstr(1), ('1', '0001')) + self.assertIn(self.yearstr(68), ('68', '0068')) + self.assertIn(self.yearstr(69), ('69', '0069')) + self.assertIn(self.yearstr(99), ('99', '0099')) + self.assertIn(self.yearstr(999), ('999', '0999')) + self.assertEqual(self.yearstr(9999), '9999') + + def test_negative(self): + try: + text = self.yearstr(-1) + except ValueError: + # strftime() is limited to [1; 9999] with Visual Studio + return + self.assertIn(text, ('-1', '-001')) + + self.assertEqual(self.yearstr(-1234), '-1234') + self.assertEqual(self.yearstr(-123456), '-123456') + + + def test_mktime(self): + # Issue #1726687 + for t in (-2, -1, 0, 1): + try: + tt = time.localtime(t) + except (OverflowError, ValueError): + pass + else: + self.assertEqual(time.mktime(tt), t) + # It may not be possible to reliably make mktime return error + # on all platfom. This will make sure that no other exception + # than OverflowError is raised for an extreme value. + try: + time.mktime((-1, 1, 1, 0, 0, 0, -1, -1, -1)) + except OverflowError: + pass + +class TestAsctimeAccept2dYear(_TestAsctimeYear, _Test2dYear): + pass + +class TestStrftimeAccept2dYear(_TestStrftimeYear, _Test2dYear): + pass + +class TestAsctime4dyear(_TestAsctimeYear, _Test4dYear): + pass + +class TestStrftime4dyear(_TestStrftimeYear, _Test4dYear): + pass + +class Test2dyearBool(_TestAsctimeYear, _Test2dYear): + accept2dyear = True + +class Test4dyearBool(_TestAsctimeYear, _Test4dYear): + accept2dyear = False + +class TestAccept2YearBad(_TestAsctimeYear, _BaseYearTest): + class X: + def __bool__(self): + raise RuntimeError('boo') + accept2dyear = X() + def test_2dyear(self): + pass + def test_invalid(self): + self.assertRaises(RuntimeError, self.yearstr, 200) + + def test_main(): - support.run_unittest(TimeTestCase, TestLocale) + support.run_unittest( + TimeTestCase, + TestLocale, + TestAsctimeAccept2dYear, + TestStrftimeAccept2dYear, + TestAsctime4dyear, + TestStrftime4dyear, + Test2dyearBool, + Test4dyearBool, + TestAccept2YearBad) if __name__ == "__main__": test_main() |