1 /*
2 * Copyright (C) 2009, Google Inc.
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
44 package org.eclipse.jgit.util;
45
46 import static org.junit.Assert.assertTrue;
47
48 import org.eclipse.jgit.lib.Constants;
49 import org.junit.Test;
50
51 public class RawParseUtils_MatchTest {
52 @Test
53 public void testMatch_Equal() {
54 final byte[] src = Constants.encodeASCII(" differ\n");
55 final byte[] dst = Constants.encodeASCII("foo differ\n");
56 assertTrue(RawParseUtils.match(dst, 3, src) == 3 + src.length);
57 }
58
59 @Test
60 public void testMatch_NotEqual() {
61 final byte[] src = Constants.encodeASCII(" differ\n");
62 final byte[] dst = Constants.encodeASCII("a differ\n");
63 assertTrue(RawParseUtils.match(dst, 2, src) < 0);
64 }
65
66 @Test
67 public void testMatch_Prefix() {
68 final byte[] src = Constants.encodeASCII("author ");
69 final byte[] dst = Constants.encodeASCII("author A. U. Thor");
70 assertTrue(RawParseUtils.match(dst, 0, src) == src.length);
71 assertTrue(RawParseUtils.match(dst, 1, src) < 0);
72 }
73
74 @Test
75 public void testMatch_TooSmall() {
76 final byte[] src = Constants.encodeASCII("author ");
77 final byte[] dst = Constants.encodeASCII("author autho");
78 assertTrue(RawParseUtils.match(dst, src.length + 1, src) < 0);
79 }
80 }