public void NestedLayout()
{
CompositeByteBuffer buf = Unpooled.CompositeBuffer();
buf.AddComponent(
Unpooled.CompositeBuffer()
.AddComponent(Unpooled.WrappedBuffer(new byte[] { 1, 2 }))
.AddComponent(Unpooled.WrappedBuffer(new byte[] { 3, 4 })).Slice(1, 2));
ArraySegment <byte>[] nioBuffers = buf.GetIoBuffers(0, 2);
Assert.Equal(2, nioBuffers.Length);
Assert.Equal((byte)2, nioBuffers[0].Array[nioBuffers[0].Offset]);
Assert.Equal((byte)3, nioBuffers[1].Array[nioBuffers[1].Offset]);
buf.Release();
}