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