'If L{LineReceiver.dataReceived} is called with more than
C{LineReceiver.MAX_LENGTH} bytes containing a line delimiter somewhere
not in the first C{MAX_LENGTH} bytes, the entire byte string is passed
to L{LineReceiver.lineLengthExceeded}.'

def test_longLineWithDelimiter(self):

    excessive = self.proto.delimiter.join(([('x' * ((self.proto.MAX_LENGTH * 2) + 2))] * 2))
    self.proto.dataReceived(excessive)
    self.assertEqual([excessive], self.proto.longLines)
