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Issue #23136: _strptime now uniformly handles all days in week 0, including

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Jan 30 of previous year.  Based on patch by Jim Carroll.
This commit is contained in:
Serhiy Storchaka 2015-03-19 19:13:37 +02:00
parent 56cefa69ee
commit 423feea01e
3 changed files with 26 additions and 5 deletions
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18
Lib/test/test_strptime.py
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@ -494,6 +494,24 @@ class CalculationTests(unittest.TestCase):
test_helper((2006, 12, 31), "Last Sunday of 2006")
test_helper((2006, 12, 24), "Second to last Sunday of 2006")
def test_week_0(self):
def check(value, format, *expected):
self.assertEqual(_strptime._strptime_time(value, format)[:-1], expected)
check('2015 0 0', '%Y %U %w', 2014, 12, 28, 0, 0, 0, 6, -3)
check('2015 0 0', '%Y %W %w', 2015, 1, 4, 0, 0, 0, 6, 4)
check('2015 0 1', '%Y %U %w', 2014, 12, 29, 0, 0, 0, 0, -2)
check('2015 0 1', '%Y %W %w', 2014, 12, 29, 0, 0, 0, 0, -2)
check('2015 0 2', '%Y %U %w', 2014, 12, 30, 0, 0, 0, 1, -1)
check('2015 0 2', '%Y %W %w', 2014, 12, 30, 0, 0, 0, 1, -1)
check('2015 0 3', '%Y %U %w', 2014, 12, 31, 0, 0, 0, 2, 0)
check('2015 0 3', '%Y %W %w', 2014, 12, 31, 0, 0, 0, 2, 0)
check('2015 0 4', '%Y %U %w', 2015, 1, 1, 0, 0, 0, 3, 1)
check('2015 0 4', '%Y %W %w', 2015, 1, 1, 0, 0, 0, 3, 1)
check('2015 0 5', '%Y %U %w', 2015, 1, 2, 0, 0, 0, 4, 2)
check('2015 0 5', '%Y %W %w', 2015, 1, 2, 0, 0, 0, 4, 2)
check('2015 0 6', '%Y %U %w', 2015, 1, 3, 0, 0, 0, 5, 3)
check('2015 0 6', '%Y %W %w', 2015, 1, 3, 0, 0, 0, 5, 3)
class CacheTests(unittest.TestCase):
"""Test that caching works properly."""