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Issue #23517: Fix implementation of the ROUND_HALF_UP rounding mode in

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datetime.datetime.fromtimestamp() and datetime.datetime.utcfromtimestamp().
microseconds sign should be kept before rounding.
This commit is contained in:
Victor Stinner 2015-09-04 23:57:25 +02:00
parent 19bbb9af67
commit adfefa527a
4 changed files with 43 additions and 40 deletions
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13
Lib/test/test_time.py
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@ -655,7 +655,7 @@ class TestPytime(unittest.TestCase):
pytime_object_to_time_t, invalid, rnd)
@support.cpython_only
def test_timespec(self):
def test_object_to_timespec(self):
from _testcapi import pytime_object_to_timespec
# Conversion giving the same result for all rounding methods
@ -666,7 +666,7 @@ class TestPytime(unittest.TestCase):
(-1, (-1, 0)),
# float
(-1.2, (-2, 800000000)),
(-1/2**7, (-1, 992187500)),
(-1.0, (-1, 0)),
(-1e-9, (-1, 999999999)),
(1e-9, (0, 1)),
@ -693,7 +693,7 @@ class TestPytime(unittest.TestCase):
(1.1234567890, (1, 123456789), FLOOR),
(1.1234567899, (1, 123456789), FLOOR),
(-1.1234567890, (-2, 876543211), FLOOR),
(-1.1234567890, (-2, 876543210), FLOOR),
(-1.1234567891, (-2, 876543210), FLOOR),
# Round towards infinity (+inf)
(1.1234567890, (1, 123456790), CEILING),
@ -1155,7 +1155,7 @@ class TestOldPyTime(unittest.TestCase):
self.assertRaises(OverflowError,
pytime_object_to_time_t, invalid, rnd)
def test_timeval(self):
def test_object_to_timeval(self):
from _testcapi import pytime_object_to_timeval
# Conversion giving the same result for all rounding methods
@ -1167,7 +1167,8 @@ class TestOldPyTime(unittest.TestCase):
# float
(-1.0, (-1, 0)),
(-1.2, (-2, 800000)),
(1/2**6, (0, 15625)),
(-1/2**6, (-1, 984375)),
(-1e-6, (-1, 999999)),
(1e-6, (0, 1)),
):
@ -1225,7 +1226,7 @@ class TestOldPyTime(unittest.TestCase):
(-1.0, (-1, 0)),
(-1e-9, (-1, 999999999)),
(1e-9, (0, 1)),
(-1.2, (-2, 800000000)),
(-1/2**9, (-1, 998046875)),
):
with self.subTest(obj=obj, round=rnd, timespec=timespec):
self.assertEqual(pytime_object_to_timespec(obj, rnd),