qpid/java/broker/src/test/java/org/apache/qpid/server/queue/SortedQueueEntryImplTest.java


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package org.apache.qpid.server.queue;

import org.apache.qpid.AMQException;
import org.apache.qpid.server.message.ServerMessage;

public class SortedQueueEntryImplTest extends QueueEntryImplTestBase {

    public final static String keys[] = { "CCC", "AAA", "BBB" };

    private SelfValidatingSortedQueueEntryList queueEntryList = new SelfValidatingSortedQueueEntryList(new MockAMQQueue("test"),"KEY");

    public QueueEntryImpl getQueueEntryImpl(int msgId) throws AMQException {
        final ServerMessage message = new MockAMQMessage(msgId, "KEY", keys[msgId-1]);
        return queueEntryList.add(message);
    }

    public void testCompareTo()
    {
        assertTrue(_queueEntry.compareTo(_queueEntry2) > 0);
        assertTrue(_queueEntry.compareTo(_queueEntry3) > 0);

        assertTrue(_queueEntry2.compareTo(_queueEntry3) < 0);
        assertTrue(_queueEntry2.compareTo(_queueEntry) < 0);

        assertTrue(_queueEntry3.compareTo(_queueEntry2) > 0);
        assertTrue(_queueEntry3.compareTo(_queueEntry) < 0);

        assertTrue(_queueEntry.compareTo(_queueEntry) == 0);
        assertTrue(_queueEntry2.compareTo(_queueEntry2) == 0);
        assertTrue(_queueEntry3.compareTo(_queueEntry3) == 0);
    }

    public void testTraverseWithNoDeletedEntries()
    {
        QueueEntry current = _queueEntry2;

        current = current.getNextValidEntry();
        assertSame("Unexpected current entry",_queueEntry3, current);

        current = current.getNextValidEntry();
        assertSame("Unexpected current entry",_queueEntry, current);

        current = current.getNextValidEntry();
        assertNull(current);

    }

    public void testTraverseWithDeletedEntries()
    {
        // Delete 2nd queue entry
        _queueEntry3.delete();
        assertTrue(_queueEntry3.isDeleted());

        QueueEntry current = _queueEntry2;

        current = current.getNextValidEntry();
        assertSame("Unexpected current entry",_queueEntry, current);

        current = current.getNextValidEntry();
        assertNull(current);
    }
}