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| author | Mark Dickinson <dickinsm@gmail.com> | 2010-05-09 09:30:06 (GMT) |
|---|---|---|
| committer | Mark Dickinson <dickinsm@gmail.com> | 2010-05-09 09:30:06 (GMT) |
| commit | 7000e9e01bb784dfc23a70a9d736613ae83c8dad (patch) | |
| tree | 993dfea355ae52e05bf1d81ad01dd16790869f3b /Lib | |
| parent | 860852fdf434cb566ace9879ba2a6be0e2569765 (diff) | |
| download | cpython-7000e9e01bb784dfc23a70a9d736613ae83c8dad.zip cpython-7000e9e01bb784dfc23a70a9d736613ae83c8dad.tar.gz cpython-7000e9e01bb784dfc23a70a9d736613ae83c8dad.tar.bz2 | |
Issue #8644: Improve accuracy of timedelta.total_seconds method.
(Backport of r80979 to py3k.) Thanks Alexander Belopolsky.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_datetime.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Lib/test/test_datetime.py b/Lib/test/test_datetime.py index 52387a0..4715ce1 100644 --- a/Lib/test/test_datetime.py +++ b/Lib/test/test_datetime.py @@ -2,7 +2,7 @@ See http://www.zope.org/Members/fdrake/DateTimeWiki/TestCases """ - +from __future__ import division import os import pickle import cPickle @@ -269,6 +269,13 @@ class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase): for total_seconds in [123456.789012, -123456.789012, 0.123456, 0, 1e6]: td = timedelta(seconds=total_seconds) self.assertEqual(td.total_seconds(), total_seconds) + # Issue8644: Test that td.total_seconds() has the same + # accuracy as td / timedelta(seconds=1). + for ms in [-1, -2, -123]: + td = timedelta(microseconds=ms) + self.assertEqual(td.total_seconds(), + ((24*3600*td.days + td.seconds)*10**6 + + td.microseconds)/10**6) def test_carries(self): t1 = timedelta(days=100, |