1 /*
2 * Copyright (C) 2011, Tomasz Zarna <Tomasz.Zarna@pl.ibm.com>
3 * and other copyright owners as documented in the project's IP log.
4 *
5 * This program and the accompanying materials are made available
6 * under the terms of the Eclipse Distribution License v1.0 which
7 * accompanies this distribution, is reproduced below, and is
8 * available at http://www.eclipse.org/org/documents/edl-v10.php
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials provided
22 * with the distribution.
23 *
24 * - Neither the name of the Eclipse Foundation, Inc. nor the
25 * names of its contributors may be used to endorse or promote
26 * products derived from this software without specific prior
27 * written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 */
43 package org.eclipse.jgit.revwalk;
44
45 import static org.junit.Assert.assertNull;
46
47 import org.eclipse.jgit.revwalk.filter.MaxCountRevFilter;
48 import org.junit.Test;
49
50 public class MaxCountRevFilterTest extends RevWalkTestCase {
51 @Test
52 public void testMaxCountRevFilter() throws Exception {
53 final RevCommit a = commit();
54 final RevCommit b = commit(a);
55 final RevCommit c1 = commit(b);
56 final RevCommit c2 = commit(b);
57 final RevCommit d = commit(c1, c2);
58 final RevCommit e = commit(d);
59
60 rw.reset();
61 rw.setRevFilter(MaxCountRevFilter.create(3));
62 markStart(e);
63 assertCommit(e, rw.next());
64 assertCommit(d, rw.next());
65 assertCommit(c2, rw.next());
66 assertNull(rw.next());
67
68 rw.reset();
69 rw.setRevFilter(MaxCountRevFilter.create(0));
70 markStart(e);
71 assertNull(rw.next());
72 }
73
74 @Test
75 public void testMaxCountRevFilter0() throws Exception {
76 final RevCommit a = commit();
77 final RevCommit b = commit(a);
78
79 rw.reset();
80 rw.setRevFilter(MaxCountRevFilter.create(0));
81 markStart(b);
82 assertNull(rw.next());
83 }
84 }