write( session, "5" );
assertEquals( '5', read( session ) );
assertEquals( "12345", getReceived( session ) );
assertEquals( "12345", getSent( session ) );
session.suspendWrite();
write( session, "6" );
assertFalse( canRead( session ) );
assertEquals( "12345", getReceived( session ) );
assertEquals( "12345", getSent( session ) );