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Issue #22117: Write unit tests for _PyTime_AsTimeval()

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* _PyTime_AsTimeval() now ensures that tv_usec is always positive
* _PyTime_AsTimespec() now ensures that tv_nsec is always positive
* _PyTime_AsTimeval() now returns an integer on overflow instead of raising an
  exception
This commit is contained in:
Victor Stinner 2015-03-28 01:26:47 +01:00
parent b7df3144ef
commit 95e9cef6f0
5 changed files with 103 additions and 15 deletions
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38
Lib/test/test_time.py
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@ -902,6 +902,44 @@ class TestPyTime_t(unittest.TestCase):
self.assertEqual(PyTime_AsSecondsDouble(nanoseconds),
seconds)
def test_timeval(self):
from _testcapi import PyTime_AsTimeval
for rnd in ALL_ROUNDING_METHODS:
for ns, tv in (
# microseconds
(0, (0, 0)),
(1000, (0, 1)),
(-1000, (-1, 999999)),
# seconds
(2 * SEC_TO_NS, (2, 0)),
(-3 * SEC_TO_NS, (-3, 0)),
# seconds + nanoseconds
(1234567000, (1, 234567)),
(-1234567000, (-2, 765433)),
):
with self.subTest(nanoseconds=ns, timeval=tv, round=rnd):
self.assertEqual(PyTime_AsTimeval(ns, rnd), tv)
UP = _PyTime.ROUND_UP
DOWN = _PyTime.ROUND_DOWN
for ns, tv, rnd in (
# nanoseconds
(1, (0, 1), UP),
(1, (0, 0), DOWN),
(-1, (0, 0), DOWN),
(-1, (-1, 999999), UP),
# seconds + nanoseconds
(1234567001, (1, 234568), UP),
(1234567001, (1, 234567), DOWN),
(-1234567001, (-2, 765433), DOWN),
(-1234567001, (-2, 765432), UP),
):
with self.subTest(nanoseconds=ns, timeval=tv, round=rnd):
self.assertEqual(PyTime_AsTimeval(ns, rnd), tv)
@unittest.skipUnless(hasattr(_testcapi, 'PyTime_AsTimespec'),
'need _testcapi.PyTime_AsTimespec')
def test_timespec(self):