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/*
* Copyright (C) 2009, Google Inc.
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.revwalk;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import java.util.ArrayList;
import org.junit.Test;
public class FIFORevQueueTest extends RevQueueTestCase<FIFORevQueue> {
@Override
protected FIFORevQueue create() {
return new FIFORevQueue();
}
@Override
@Test
public void testEmpty() throws Exception {
super.testEmpty();
assertEquals(0, q.outputType());
}
@Test
public void testCloneEmpty() throws Exception {
q = new FIFORevQueue(AbstractRevQueue.EMPTY_QUEUE);
assertNull(q.next());
}
@Test
public void testAddLargeBlocks() throws Exception {
final ArrayList<RevCommit> lst = new ArrayList<RevCommit>();
for (int i = 0; i < 3 * BlockRevQueue.Block.BLOCK_SIZE; i++) {
final RevCommit c = commit();
lst.add(c);
q.add(c);
}
for (int i = 0; i < lst.size(); i++)
assertSame(lst.get(i), q.next());
}
@Test
public void testUnpopAtFront() throws Exception {
final RevCommit a = commit();
final RevCommit b = commit();
final RevCommit c = commit();
q.add(a);
q.unpop(b);
q.unpop(c);
assertSame(c, q.next());
assertSame(b, q.next());
assertSame(a, q.next());
}
}
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