cassandra-trunk/test/unit/org/apache/cassandra/gms/GossipDigestTest.java
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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cassandra.gms;

import static org.junit.Assert.*;

import java.io.IOException;

import org.apache.cassandra.io.util.DataInputBuffer;
import org.apache.cassandra.io.util.DataInputPlus;
import org.apache.cassandra.io.util.DataOutputBuffer;

import org.apache.cassandra.locator.InetAddressAndPort;
import org.apache.cassandra.net.MessagingService;
import org.junit.Test;

public class GossipDigestTest
{
    @Test
    public void test() throws IOException
    {
        InetAddressAndPort endpoint = InetAddressAndPort.getByName("127.0.0.1");
        int generation = 0;
        int maxVersion = 123;
        GossipDigest expected = new GossipDigest(endpoint, generation, maxVersion);
        //make sure we get the same values out
        assertEquals(endpoint, expected.getEndpoint());
        assertEquals(generation, expected.getGeneration());
        assertEquals(maxVersion, expected.getMaxVersion());

        //test the serialization and equals
        DataOutputBuffer output = new DataOutputBuffer();
        GossipDigest.serializer.serialize(expected, output, MessagingService.current_version);

        DataInputPlus input = new DataInputBuffer(output.getData());
        GossipDigest actual = GossipDigest.serializer.deserialize(input, MessagingService.current_version);
        assertEquals(0, expected.compareTo(actual));
    }
}
