assertEquals(SessionInputBufferMockup.BUFFER_SIZE - 2, inbuffer.available());
assertEquals(2, inbuffer.length());
SessionOutputBufferMockup outbuffer = new SessionOutputBufferMockup();
assertEquals(SessionOutputBufferMockup.BUFFER_SIZE, outbuffer.capacity());
assertEquals(SessionOutputBufferMockup.BUFFER_SIZE, outbuffer.available());
assertEquals(0, outbuffer.length());
outbuffer.write(new byte[] {1, 2, 3});
assertEquals(SessionOutputBufferMockup.BUFFER_SIZE - 3, outbuffer.available());
assertEquals(3, outbuffer.length());
}