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Fix bug of implementation of algorithm for calculating the date from year, week

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of the year, and day of the week.  Was not taking into consideration properly
the issue of when %U is used for the week of the year but the year starts on
Monday.

Closes bug #1045381 again.
This commit is contained in:
Brett Cannon 2004-10-28 04:49:21 +00:00
parent 79d9bfa28f
commit 14adbe77b5
2 changed files with 30 additions and 13 deletions
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21
Lib/test/test_strptime.py
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@ -424,20 +424,35 @@ class CalculationTests(unittest.TestCase):
def test_helper(ymd_tuple, test_reason):
for directive in ('W', 'U'):
format_string = "%%Y %%%s %%w" % directive
strp_input = datetime_date(*ymd_tuple).strftime(format_string)
dt_date = datetime_date(*ymd_tuple)
strp_input = dt_date.strftime(format_string)
strp_output = _strptime.strptime(strp_input, format_string)
self.failUnless(strp_output[:3] == ymd_tuple,
"%s(%s) test failed w/ '%s': %s != %s" %
"%s(%s) test failed w/ '%s': %s != %s (%s != %s)" %
(test_reason, directive, strp_input,
strp_output[:3], ymd_tuple[:3]))
strp_output[:3], ymd_tuple,
strp_output[7], dt_date.timetuple()[7]))
test_helper((1901, 1, 3), "week 0")
test_helper((1901, 1, 8), "common case")
test_helper((1901, 1, 13), "day on Sunday")
test_helper((1901, 1, 14), "day on Monday")
test_helper((1905, 1, 1), "Jan 1 on Sunday")
test_helper((1906, 1, 1), "Jan 1 on Monday")
test_helper((1906, 1, 7), "first Sunday in a year starting on Monday")
test_helper((1905, 12, 31), "Dec 31 on Sunday")
test_helper((1906, 12, 31), "Dec 31 on Monday")
test_helper((2008, 12, 29), "Monday in the last week of the year")
test_helper((2008, 12, 22), "Monday in the second-to-last week of the "
"year")
test_helper((1978, 10, 23), "randomly chosen date")
test_helper((2004, 12, 18), "randomly chosen date")
test_helper((1978, 10, 23), "year starting and ending on Monday while "
"date not on Sunday or Monday")
test_helper((1917, 12, 17), "year starting and ending on Monday with "
"a Monday not at the beginning or end "
"of the year")
test_helper((1917, 12, 31), "Dec 31 on Monday with year starting and "
"ending on Monday")
class CacheTests(unittest.TestCase):