} else {
packer.writeArrayBegin(v.size());
for (Object o : v) {
packer.write(o);
}
packer.writeArrayEnd();
}
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
Unpacker unpacker = msgpack.createUnpacker(in);
if (unpacker.trySkipNil()) {
assertEquals(null, v);