def test_bytes_to_skip(self):
# if you start at the beginning, skip nothing
self.assertEqual(bytes_to_skip(1024, 0), 0)
# missed the first 10 bytes, so we've got 1014 bytes of partial
# record
self.assertEqual(bytes_to_skip(1024, 10), 1014)
# skipped some whole records first
self.assertEqual(bytes_to_skip(1024, 4106), 1014)
# landed on a record boundary
self.assertEqual(bytes_to_skip(1024, 1024), 0)
self.assertEqual(bytes_to_skip(1024, 2048), 0)
# big numbers
self.assertEqual(bytes_to_skip(2 ** 20, 2 ** 32), 0)
self.assertEqual(bytes_to_skip(2 ** 20, 2 ** 32 + 1), 2 ** 20 - 1)
self.assertEqual(bytes_to_skip(2 ** 20, 2 ** 32 + 2 ** 19), 2 ** 19)
# odd numbers
self.assertEqual(bytes_to_skip(123, 0), 0)
self.assertEqual(bytes_to_skip(123, 23), 100)
self.assertEqual(bytes_to_skip(123, 247), 122)
# prime numbers
self.assertEqual(bytes_to_skip(11, 7), 4)
self.assertEqual(bytes_to_skip(97, 7873823), 55)
def test_bytes_to_skip(self):
# if you start at the beginning, skip nothing
self.assertEqual(bytes_to_skip(1024, 0), 0)
# missed the first 10 bytes, so we've got 1014 bytes of partial
# record
self.assertEqual(bytes_to_skip(1024, 10), 1014)
# skipped some whole records first
self.assertEqual(bytes_to_skip(1024, 4106), 1014)
# landed on a record boundary
self.assertEqual(bytes_to_skip(1024, 1024), 0)
self.assertEqual(bytes_to_skip(1024, 2048), 0)
# big numbers
self.assertEqual(bytes_to_skip(2**20, 2**32), 0)
self.assertEqual(bytes_to_skip(2**20, 2**32 + 1), 2**20 - 1)
self.assertEqual(bytes_to_skip(2**20, 2**32 + 2**19), 2**19)
# odd numbers
self.assertEqual(bytes_to_skip(123, 0), 0)
self.assertEqual(bytes_to_skip(123, 23), 100)
self.assertEqual(bytes_to_skip(123, 247), 122)
# prime numbers
self.assertEqual(bytes_to_skip(11, 7), 4)
self.assertEqual(bytes_to_skip(97, 7873823), 55)
