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Diffstat (limited to 'Lib/test/test_strptime.py')
| -rw-r--r-- | Lib/test/test_strptime.py | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Lib/test/test_strptime.py b/Lib/test/test_strptime.py index c1af281..0e1909e 100644 --- a/Lib/test/test_strptime.py +++ b/Lib/test/test_strptime.py @@ -505,6 +505,35 @@ class CacheTests(unittest.TestCase): self.failIfEqual(locale_time_id, id(_strptime._TimeRE_cache.locale_time)) + def test_TimeRE_recreation(self): + # The TimeRE instance should be recreated upon changing the locale. + locale_info = locale.getlocale(locale.LC_TIME) + try: + locale.setlocale(locale.LC_TIME, ('en_US', 'UTF8')) + except locale.Error: + return + try: + _strptime.strptime('10', '%d') + # Get id of current cache object. + first_time_re_id = id(_strptime._TimeRE_cache) + try: + # Change the locale and force a recreation of the cache. + locale.setlocale(locale.LC_TIME, ('de_DE', 'UTF8')) + _strptime.strptime('10', '%d') + # Get the new cache object's id. + second_time_re_id = id(_strptime._TimeRE_cache) + # They should not be equal. + self.failIfEqual(first_time_re_id, second_time_re_id) + # Possible test locale is not supported while initial locale is. + # If this is the case just suppress the exception and fall-through + # to the reseting to the original locale. + except locale.Error: + pass + # Make sure we don't trample on the locale setting once we leave the + # test. + finally: + locale.setlocale(locale.LC_TIME, locale_info) + def test_main(): test_support.run_unittest( |