#!/usr/bin/env python3

'''Test cases for bytes join bug.

This code behaves as expected:
>>> ' '.join('cat')
'c a t'

This code does not:
>>> b'\\x00'.join(b'cat')
b'c\\x00a\\x00t'

Instead, you have to do something like this:
>>> b'\\x00'.join(bytes((i,)) for i in b'cat')
b'c\\x00a\\x00t'

Same problem with bytes or bytearray in either position:
>>> b'\\x00'.join(bytearray(b'cat'))
b'c\\x00a\\x00t'
>>> bytearray(b'\\x00'.join(b'cat'))
bytearray(b'c\\x00a\\x00t')

'''

import doctest
doctest.testmod()