public void testSimpleSendCompositeDirectByteBuf(Bootstrap sb, Bootstrap cb) throws Throwable {
CompositeByteBuf buf = Unpooled.compositeBuffer();
buf.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 0, 2));
buf.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 2, 2));
buf.writerIndex(4);
testSimpleSend0(sb, cb, buf, true, BYTES, 1);
CompositeByteBuf buf2 = Unpooled.compositeBuffer();
buf2.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 0, 2));
buf2.addComponent(Unpooled.directBuffer().writeBytes(BYTES, 2, 2));