1 /*
2 * Copyright (C) 2009-2010, Google Inc.
3 * Copyright (C) 2009, Johannes E. Schindelin <johannes.schindelin@gmx.de>
4 * and other copyright owners as documented in the project's IP log.
5 *
6 * This program and the accompanying materials are made available
7 * under the terms of the Eclipse Distribution License v1.0 which
8 * accompanies this distribution, is reproduced below, and is
9 * available at http://www.eclipse.org/org/documents/edl-v10.php
10 *
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials provided
23 * with the distribution.
24 *
25 * - Neither the name of the Eclipse Foundation, Inc. nor the
26 * names of its contributors may be used to endorse or promote
27 * products derived from this software without specific prior
28 * written permission.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
31 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
32 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
33 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
35 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
37 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
38 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
39 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
41 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
42 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 */
44
45 package org.eclipse.jgit.diff;
46
47 import static org.junit.Assert.assertEquals;
48 import static org.junit.Assert.assertFalse;
49 import static org.junit.Assert.assertTrue;
50
51 import org.eclipse.jgit.lib.Constants;
52 import org.junit.Test;
53
54 public class RawTextIgnoreTrailingWhitespaceTest {
55 private final RawTextComparator cmp = RawTextComparator.WS_IGNORE_TRAILING;
56
57 @Test
58 public void testEqualsWithoutWhitespace() {
59 final RawText a = new RawText(Constants
60 .encodeASCII("foo-a\nfoo-b\nfoo\n"));
61 final RawText b = new RawText(Constants
62 .encodeASCII("foo-b\nfoo-c\nf\n"));
63
64 assertEquals(3, a.size());
65 assertEquals(3, b.size());
66
67 // foo-a != foo-b
68 assertFalse(cmp.equals(a, 0, b, 0));
69 assertFalse(cmp.equals(b, 0, a, 0));
70
71 // foo-b == foo-b
72 assertTrue(cmp.equals(a, 1, b, 0));
73 assertTrue(cmp.equals(b, 0, a, 1));
74
75 // foo != f
76 assertFalse(cmp.equals(a, 2, b, 2));
77 assertFalse(cmp.equals(b, 2, a, 2));
78 }
79
80 @Test
81 public void testEqualsWithWhitespace() {
82 final RawText a = new RawText(Constants
83 .encodeASCII("foo-a\n \n a b c\na \n b\n"));
84 final RawText b = new RawText(Constants
85 .encodeASCII("foo-a b\n\nab c\na\nb\n"));
86
87 // "foo-a" != "foo-a b"
88 assertFalse(cmp.equals(a, 0, b, 0));
89 assertFalse(cmp.equals(b, 0, a, 0));
90
91 // " " == ""
92 assertTrue(cmp.equals(a, 1, b, 1));
93 assertTrue(cmp.equals(b, 1, a, 1));
94
95 // " a b c" != "ab c"
96 assertFalse(cmp.equals(a, 2, b, 2));
97 assertFalse(cmp.equals(b, 2, a, 2));
98
99 // "a " == "a"
100 assertTrue(cmp.equals(a, 3, b, 3));
101 assertTrue(cmp.equals(b, 3, a, 3));
102
103 // " b" != "b"
104 assertFalse(cmp.equals(a, 4, b, 4));
105 assertFalse(cmp.equals(b, 4, a, 4));
106 }
107 }