in.clear();
in.putString("X\n", encoder);
in.flip();
decoder.decode(session, in, out);
Assert.assertEquals(0, out.getMessageQueue().size());
in.clear();
in.putString("\n\nSTU\n\n\n", encoder);
in.flip();
decoder.decode(session, in, out);
Assert.assertEquals(2, out.getMessageQueue().size());
Assert.assertEquals("PQR\nX", out.getMessageQueue().poll());