Testcase for Kryo 2.18

Test.java

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;

import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;
import com.esotericsoftware.kryo.serializers.FieldSerializer.Optional;
import com.esotericsoftware.kryo.util.DefaultClassResolver;

public class Test {
	public static void main(String[] args) {
		test();
	}
	static void test() {
		Kryo kryo = new Kryo();
		byte[] data = null;
		byte[] data1 = null;
		{
			ByteArrayOutputStream outStream = new ByteArrayOutputStream();
			Output output = new Output(outStream, 4096);

			Hello hello = new Hello();
			hello.map.put(123, new World());
			kryo.writeClassAndObject(output, hello);
			output.flush();
			data = outStream.toByteArray();
			data1 = data;
		}
		System.out.println(Arrays.toString(data));

		{
			ByteArrayOutputStream outStream = new ByteArrayOutputStream();
			Output output = new Output(outStream, 4096);

			Hello hello = new Hello();
			hello.map.put(123, new World());
			kryo.writeClassAndObject(output, hello);
			output.flush();
			data = outStream.toByteArray();
		}
		System.out.println("equal:" + Arrays.equals(data, data1));
		System.out.println(Arrays.toString(data));

		{
			Input input = new Input(new ByteArrayInputStream(data), 4096);
			Kryo kryo2 = new Kryo();
			Hello hello2 = (Hello) kryo2.readClassAndObject(input);
			System.out.println(hello2);
		}
		{
			Input input = new Input(new ByteArrayInputStream(data1), 4096);
			Kryo kryo2 = new Kryo();
			Hello hello2 = (Hello) kryo2.readClassAndObject(input);
			System.out.println(hello2);
		}

	}

	static class Hello {
		public HashMap<Integer, World> map = new HashMap<Integer, World>();

		public Hello() {
		}
	}

	static class World {
		public HashMap<Integer, String> map = new HashMap();

		public World() {
		}
	}
}