test_tz.py 文件源码

def testLeapCountDecodesProperly(self):
        # This timezone has leapcnt, and failed to decode until
        # Eugene Oden notified about the issue.

        # As leap information is currently unused (and unstored) by tzfile() we
        # can only indirectly test this: Take advantage of tzfile() not closing
        # the input file if handed in as an opened file and assert that the
        # full file content has been read by tzfile(). Note: For this test to
        # work NEW_YORK must be in TZif version 1 format i.e. no more data
        # after TZif v1 header + data has been read
        fileobj = BytesIO(base64.b64decode(NEW_YORK))
        tzc = tz.tzfile(fileobj)
        # we expect no remaining file content now, i.e. zero-length; if there's
        # still data we haven't read the file format correctly
        remaining_tzfile_content = fileobj.read()
        self.assertEqual(len(remaining_tzfile_content), 0)