Python datetime.timedelta.min() Examples

The following are 30 code examples of datetime.timedelta.min(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module datetime.timedelta , or try the search function .
Example #1
Source File: test_datetime.py    From oss-ftp with MIT License 7 votes vote down vote up 
def test_extreme_ordinals(self):
        a = self.theclass.min
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))

        b = a + timedelta(days=1)
        self.assertEqual(b.toordinal(), aord + 1)
        self.assertEqual(b, self.theclass.fromordinal(aord + 1))

        a = self.theclass.max
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))

        b = a - timedelta(days=1)
        self.assertEqual(b.toordinal(), aord - 1)
        self.assertEqual(b, self.theclass.fromordinal(aord - 1))
Example #2
Source File: test_datetime.py    From BinderFilter with MIT License 6 votes vote down vote up 
def test_extreme_ordinals(self):
        a = self.theclass.min
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))

        b = a + timedelta(days=1)
        self.assertEqual(b.toordinal(), aord + 1)
        self.assertEqual(b, self.theclass.fromordinal(aord + 1))

        a = self.theclass.max
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))

        b = a - timedelta(days=1)
        self.assertEqual(b.toordinal(), aord - 1)
        self.assertEqual(b, self.theclass.fromordinal(aord - 1))
Example #3
Source File: test_datetime.py    From gcblue with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def test_extreme_ordinals(self):
        a = self.theclass.min
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))

        b = a + timedelta(days=1)
        self.assertEqual(b.toordinal(), aord + 1)
        self.assertEqual(b, self.theclass.fromordinal(aord + 1))

        a = self.theclass.max
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))

        b = a - timedelta(days=1)
        self.assertEqual(b.toordinal(), aord - 1)
        self.assertEqual(b, self.theclass.fromordinal(aord - 1))
Example #4
Source File: datetimetester.py    From Fluid-Designer with GNU General Public License v3.0 6 votes vote down vote up 
def test_overflow(self):
        tiny = timedelta.resolution

        td = timedelta.min + tiny
        td -= tiny  # no problem
        self.assertRaises(OverflowError, td.__sub__, tiny)
        self.assertRaises(OverflowError, td.__add__, -tiny)

        td = timedelta.max - tiny
        td += tiny  # no problem
        self.assertRaises(OverflowError, td.__add__, tiny)
        self.assertRaises(OverflowError, td.__sub__, -tiny)

        self.assertRaises(OverflowError, lambda: -timedelta.max)

        day = timedelta(1)
        self.assertRaises(OverflowError, day.__mul__, 10**9)
        self.assertRaises(OverflowError, day.__mul__, 1e9)
        self.assertRaises(OverflowError, day.__truediv__, 1e-20)
        self.assertRaises(OverflowError, day.__truediv__, 1e-10)
        self.assertRaises(OverflowError, day.__truediv__, 9e-10)
Example #5
Source File: datetimetester.py    From Fluid-Designer with GNU General Public License v3.0 6 votes vote down vote up 
def test_extreme_ordinals(self):
        a = self.theclass.min
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))

        b = a + timedelta(days=1)
        self.assertEqual(b.toordinal(), aord + 1)
        self.assertEqual(b, self.theclass.fromordinal(aord + 1))

        a = self.theclass.max
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))

        b = a - timedelta(days=1)
        self.assertEqual(b.toordinal(), aord - 1)
        self.assertEqual(b, self.theclass.fromordinal(aord - 1))
Example #6
Source File: datetimetester.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 6 votes vote down vote up 
def test_overflow(self):
        tiny = timedelta.resolution

        td = timedelta.min + tiny
        td -= tiny  # no problem
        self.assertRaises(OverflowError, td.__sub__, tiny)
        self.assertRaises(OverflowError, td.__add__, -tiny)

        td = timedelta.max - tiny
        td += tiny  # no problem
        self.assertRaises(OverflowError, td.__add__, tiny)
        self.assertRaises(OverflowError, td.__sub__, -tiny)

        self.assertRaises(OverflowError, lambda: -timedelta.max)

        day = timedelta(1)
        self.assertRaises(OverflowError, day.__mul__, 10**9)
        self.assertRaises(OverflowError, day.__mul__, 1e9)
        self.assertRaises(OverflowError, day.__truediv__, 1e-20)
        self.assertRaises(OverflowError, day.__truediv__, 1e-10)
        self.assertRaises(OverflowError, day.__truediv__, 9e-10)
Example #7
Source File: datetimetester.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 6 votes vote down vote up 
def test_extreme_ordinals(self):
        a = self.theclass.min
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))

        b = a + timedelta(days=1)
        self.assertEqual(b.toordinal(), aord + 1)
        self.assertEqual(b, self.theclass.fromordinal(aord + 1))

        a = self.theclass.max
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))

        b = a - timedelta(days=1)
        self.assertEqual(b.toordinal(), aord - 1)
        self.assertEqual(b, self.theclass.fromordinal(aord - 1))
Example #8
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 6 votes vote down vote up 
def test_extreme_ordinals(self):
        a = self.theclass.min
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))

        b = a + timedelta(days=1)
        self.assertEqual(b.toordinal(), aord + 1)
        self.assertEqual(b, self.theclass.fromordinal(aord + 1))

        a = self.theclass.max
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))

        b = a - timedelta(days=1)
        self.assertEqual(b.toordinal(), aord - 1)
        self.assertEqual(b, self.theclass.fromordinal(aord - 1))
Example #9
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 6 votes vote down vote up 
def test_overflow(self):
        tiny = timedelta.resolution

        td = timedelta.min + tiny
        td -= tiny  # no problem
        self.assertRaises(OverflowError, td.__sub__, tiny)
        self.assertRaises(OverflowError, td.__add__, -tiny)

        td = timedelta.max - tiny
        td += tiny  # no problem
        self.assertRaises(OverflowError, td.__add__, tiny)
        self.assertRaises(OverflowError, td.__sub__, -tiny)

        self.assertRaises(OverflowError, lambda: -timedelta.max)

        day = timedelta(1)
        self.assertRaises(OverflowError, day.__mul__, 10**9)
        self.assertRaises(OverflowError, day.__mul__, 1e9)
        self.assertRaises(OverflowError, day.__truediv__, 1e-20)
        self.assertRaises(OverflowError, day.__truediv__, 1e-10)
        self.assertRaises(OverflowError, day.__truediv__, 9e-10)
Example #10
Source File: test_datetime.py    From medicare-demo with Apache License 2.0 6 votes vote down vote up 
def test_extreme_ordinals(self):
        a = self.theclass.min
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))

        b = a + timedelta(days=1)
        self.assertEqual(b.toordinal(), aord + 1)
        self.assertEqual(b, self.theclass.fromordinal(aord + 1))

        a = self.theclass.max
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))

        b = a - timedelta(days=1)
        self.assertEqual(b.toordinal(), aord - 1)
        self.assertEqual(b, self.theclass.fromordinal(aord - 1))
Example #11
Source File: test_datetime.py    From ironpython2 with Apache License 2.0 6 votes vote down vote up 
def test_extreme_ordinals(self):
        a = self.theclass.min
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord - 1))

        b = a + timedelta(days=1)
        self.assertEqual(b.toordinal(), aord + 1)
        self.assertEqual(b, self.theclass.fromordinal(aord + 1))

        a = self.theclass.max
        a = self.theclass(a.year, a.month, a.day)  # get rid of time parts
        aord = a.toordinal()
        b = a.fromordinal(aord)
        self.assertEqual(a, b)

        self.assertRaises(ValueError, lambda: a.fromordinal(aord + 1))

        b = a - timedelta(days=1)
        self.assertEqual(b.toordinal(), aord - 1)
        self.assertEqual(b, self.theclass.fromordinal(aord - 1))
Example #12
Source File: datetimetester.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_bool(self):
        # All dates are considered true.
        self.assertTrue(self.theclass.min)
        self.assertTrue(self.theclass.max)
Example #13
Source File: datetimetester.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_extreme_timedelta(self):
        big = self.theclass.max - self.theclass.min
        # 3652058 days, 23 hours, 59 minutes, 59 seconds, 999999 microseconds
        n = (big.days*24*3600 + big.seconds)*1000000 + big.microseconds
        # n == 315537897599999999 ~= 2**58.13
        justasbig = timedelta(0, 0, n)
        self.assertEqual(big, justasbig)
        self.assertEqual(self.theclass.min + big, self.theclass.max)
        self.assertEqual(self.theclass.max - big, self.theclass.min)
Example #14
Source File: test_datetime.py    From medicare-demo with Apache License 2.0 5 votes vote down vote up 
def test_resolution_info(self):
        self.assert_(isinstance(self.theclass.min, self.theclass))
        self.assert_(isinstance(self.theclass.max, self.theclass))
        self.assert_(isinstance(self.theclass.resolution, timedelta))
        self.assert_(self.theclass.max > self.theclass.min)
Example #15
Source File: test_datetime.py    From medicare-demo with Apache License 2.0 5 votes vote down vote up 
def test_overflow(self):
        tiny = timedelta.resolution

        td = timedelta.min + tiny
        td -= tiny  # no problem
        self.assertRaises(OverflowError, td.__sub__, tiny)
        self.assertRaises(OverflowError, td.__add__, -tiny)

        td = timedelta.max - tiny
        td += tiny  # no problem
        self.assertRaises(OverflowError, td.__add__, tiny)
        self.assertRaises(OverflowError, td.__sub__, -tiny)

        self.assertRaises(OverflowError, lambda: -timedelta.max)
Example #16
Source File: test_datetime.py    From gcblue with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_resolution_info(self):
        self.assertIsInstance(self.theclass.min, self.theclass)
        self.assertIsInstance(self.theclass.max, self.theclass)
        self.assertIsInstance(self.theclass.resolution, timedelta)
        self.assertTrue(self.theclass.max > self.theclass.min)
Example #17
Source File: datetimetester.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_resolution_info(self):
        self.assertIsInstance(self.theclass.min, self.theclass)
        self.assertIsInstance(self.theclass.max, self.theclass)
        self.assertIsInstance(self.theclass.resolution, timedelta)
        self.assertTrue(self.theclass.max > self.theclass.min)
Example #18
Source File: test_datetime.py    From medicare-demo with Apache License 2.0 5 votes vote down vote up 
def test_resolution_info(self):
        self.assert_(isinstance(timedelta.min, timedelta))
        self.assert_(isinstance(timedelta.max, timedelta))
        self.assert_(isinstance(timedelta.resolution, timedelta))
        self.assert_(timedelta.max > timedelta.min)
        self.assertEqual(timedelta.min, timedelta(-999999999))
        self.assertEqual(timedelta.max, timedelta(999999999, 24*3600-1, 1e6-1))
        self.assertEqual(timedelta.resolution, timedelta(0, 0, 1))
Example #19
Source File: test_datetime.py    From gcblue with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_overflow(self):
        tiny = self.theclass.resolution

        for delta in [tiny, timedelta(1), timedelta(2)]:
            dt = self.theclass.min + delta
            dt -= delta  # no problem
            self.assertRaises(OverflowError, dt.__sub__, delta)
            self.assertRaises(OverflowError, dt.__add__, -delta)

            dt = self.theclass.max - delta
            dt += delta  # no problem
            self.assertRaises(OverflowError, dt.__add__, delta)
            self.assertRaises(OverflowError, dt.__sub__, -delta)
Example #20
Source File: datetimetester.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_repr(self):
        datetime = datetime_module
        for tz in [self.ACDT, self.EST, timezone.utc,
                   timezone.min, timezone.max]:
            # test round-trip
            tzrep = repr(tz)
            self.assertEqual(tz, eval(tzrep))
Example #21
Source File: test_datetime.py    From gcblue with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_overflow(self):
        tiny = timedelta.resolution

        td = timedelta.min + tiny
        td -= tiny  # no problem
        self.assertRaises(OverflowError, td.__sub__, tiny)
        self.assertRaises(OverflowError, td.__add__, -tiny)

        td = timedelta.max - tiny
        td += tiny  # no problem
        self.assertRaises(OverflowError, td.__add__, tiny)
        self.assertRaises(OverflowError, td.__sub__, -tiny)

        self.assertRaises(OverflowError, lambda: -timedelta.max)
Example #22
Source File: test_datetime.py    From gcblue with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
def test_resolution_info(self):
        self.assertIsInstance(timedelta.min, timedelta)
        self.assertIsInstance(timedelta.max, timedelta)
        self.assertIsInstance(timedelta.resolution, timedelta)
        self.assertTrue(timedelta.max > timedelta.min)
        self.assertEqual(timedelta.min, timedelta(-999999999))
        self.assertEqual(timedelta.max, timedelta(999999999, 24*3600-1, 1e6-1))
        self.assertEqual(timedelta.resolution, timedelta(0, 0, 1))
Example #23
Source File: result.py    From aws-extender with MIT License 5 votes vote down vote up 
def __init__(self, batch_name, sd, mimetype_files=None):
        self.sd = sd
        self.batch = batch_name
        self.log_fp = None
        self.num_files = 0
        self.total_time = 0
        self.min_time = timedelta.max
        self.max_time = timedelta.min
        self.earliest_time = datetime.max
        self.latest_time = datetime.min
        self.queue = self.sd.get_obj('output_queue')
        self.domain = self.sd.get_obj('output_domain')
Example #24
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_resolution_info(self):
        self.assertIsInstance(self.theclass.min, self.theclass)
        self.assertIsInstance(self.theclass.max, self.theclass)
        self.assertIsInstance(self.theclass.resolution, timedelta)
        self.assertTrue(self.theclass.max > self.theclass.min)
Example #25
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_bool(self):
        # All dates are considered true.
        self.assertTrue(self.theclass.min)
        self.assertTrue(self.theclass.max)
Example #26
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_extreme_timedelta(self):
        big = self.theclass.max - self.theclass.min
        # 3652058 days, 23 hours, 59 minutes, 59 seconds, 999999 microseconds
        n = (big.days*24*3600 + big.seconds)*1000000 + big.microseconds
        # n == 315537897599999999 ~= 2**58.13
        justasbig = timedelta(0, 0, n)
        self.assertEqual(big, justasbig)
        self.assertEqual(self.theclass.min + big, self.theclass.max)
        self.assertEqual(self.theclass.max - big, self.theclass.min)
Example #27
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_overflow(self):
        tiny = self.theclass.resolution

        for delta in [tiny, timedelta(1), timedelta(2)]:
            dt = self.theclass.min + delta
            dt -= delta  # no problem
            self.assertRaises(OverflowError, dt.__sub__, delta)
            self.assertRaises(OverflowError, dt.__add__, -delta)

            dt = self.theclass.max - delta
            dt += delta  # no problem
            self.assertRaises(OverflowError, dt.__add__, delta)
            self.assertRaises(OverflowError, dt.__sub__, -delta)
Example #28
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_resolution_info(self):
        self.assertIsInstance(timedelta.min, timedelta)
        self.assertIsInstance(timedelta.max, timedelta)
        self.assertIsInstance(timedelta.resolution, timedelta)
        self.assertTrue(timedelta.max > timedelta.min)
        self.assertEqual(timedelta.min, timedelta(-999999999))
        self.assertEqual(timedelta.max, timedelta(999999999, 24*3600-1, 1e6-1))
        self.assertEqual(timedelta.resolution, timedelta(0, 0, 1))
Example #29
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_deepcopy(self):
        for tz in self.ACDT, self.EST, timezone.min, timezone.max:
            tz_copy = copy.deepcopy(tz)
            self.assertEqual(tz_copy, tz)
        tz = timezone.utc
        tz_copy = copy.deepcopy(tz)
        self.assertIs(tz_copy, tz)


#############################################################################
# Base class for testing a particular aspect of timedelta, time, date and
# datetime comparisons.
Example #30
Source File: datetimetester.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_pickle(self):
        for tz in self.ACDT, self.EST, timezone.min, timezone.max:
            for pickler, unpickler, proto in pickle_choices:
                tz_copy = unpickler.loads(pickler.dumps(tz, proto))
                self.assertEqual(tz_copy, tz)
        tz = timezone.utc
        for pickler, unpickler, proto in pickle_choices:
            tz_copy = unpickler.loads(pickler.dumps(tz, proto))
            self.assertIs(tz_copy, tz)