'Regression test: m.new(key, m.MODE_CFB, segment_size=N) should require segment_size to be a multiple of 8 bits'

def runTest(self):

    for i in range(1, 8):
        self.assertRaises(ValueError, self.module.new, a2b_hex(self.key), self.module.MODE_CFB, segment_size=i)
    self.module.new(a2b_hex(self.key), self.module.MODE_CFB, ('\x00' * self.module.block_size), segment_size=8)
