1 /*
2 * Copyright (C) 2010, 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 java.nio.charset.StandardCharsets.US_ASCII;
47 import static org.eclipse.jgit.util.RawCharUtil.isWhitespace;
48 import static org.eclipse.jgit.util.RawCharUtil.trimLeadingWhitespace;
49 import static org.eclipse.jgit.util.RawCharUtil.trimTrailingWhitespace;
50 import static org.junit.Assert.assertEquals;
51 import static org.junit.Assert.assertFalse;
52 import static org.junit.Assert.assertTrue;
53
54 import org.junit.Test;
55
56 public class RawCharUtilTest {
57
58 /**
59 * Test method for {@link RawCharUtil#isWhitespace(byte)}.
60 */
61 @Test
62 public void testIsWhitespace() {
63 for (byte c = -128; c < 127; c++) {
64 switch (c) {
65 case (byte) '\r':
66 case (byte) '\n':
67 case (byte) '\t':
68 case (byte) ' ':
69 assertTrue(isWhitespace(c));
70 break;
71 default:
72 assertFalse(isWhitespace(c));
73 }
74 }
75 }
76
77 /**
78 * Test method for
79 * {@link RawCharUtil#trimTrailingWhitespace(byte[], int, int)}.
80 */
81 @Test
82 public void testTrimTrailingWhitespace() {
83 assertEquals(0, trimTrailingWhitespace("".getBytes(US_ASCII), 0, 0));
84 assertEquals(0, trimTrailingWhitespace(" ".getBytes(US_ASCII), 0, 1));
85 assertEquals(1, trimTrailingWhitespace("a ".getBytes(US_ASCII), 0, 2));
86 assertEquals(2, trimTrailingWhitespace(" a ".getBytes(US_ASCII), 0, 3));
87 assertEquals(3, trimTrailingWhitespace(" a".getBytes(US_ASCII), 0, 3));
88 assertEquals(6,
89 trimTrailingWhitespace(" test ".getBytes(US_ASCII), 2, 9));
90 }
91
92 /**
93 * Test method for
94 * {@link RawCharUtil#trimLeadingWhitespace(byte[], int, int)}.
95 */
96 @Test
97 public void testTrimLeadingWhitespace() {
98 assertEquals(0, trimLeadingWhitespace("".getBytes(US_ASCII), 0, 0));
99 assertEquals(1, trimLeadingWhitespace(" ".getBytes(US_ASCII), 0, 1));
100 assertEquals(0, trimLeadingWhitespace("a ".getBytes(US_ASCII), 0, 2));
101 assertEquals(1, trimLeadingWhitespace(" a ".getBytes(US_ASCII), 0, 3));
102 assertEquals(2, trimLeadingWhitespace(" a".getBytes(US_ASCII), 0, 3));
103 assertEquals(2,
104 trimLeadingWhitespace(" test ".getBytes(US_ASCII),
105 2, 9));
106 }
107
108 }