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 org.eclipse.jgit.util.RawCharUtil.isWhitespace;
47 import static org.eclipse.jgit.util.RawCharUtil.trimLeadingWhitespace;
48 import static org.eclipse.jgit.util.RawCharUtil.trimTrailingWhitespace;
49 import static org.junit.Assert.assertEquals;
50 import static org.junit.Assert.assertFalse;
51 import static org.junit.Assert.assertTrue;
52
53 import java.io.UnsupportedEncodingException;
54
55 import org.junit.Test;
56
57 public class RawCharUtilTest {
58
59 /**
60 * Test method for {@link RawCharUtil#isWhitespace(byte)}.
61 */
62 @Test
63 public void testIsWhitespace() {
64 for (byte c = -128; c < 127; c++) {
65 switch (c) {
66 case (byte) '\r':
67 case (byte) '\n':
68 case (byte) '\t':
69 case (byte) ' ':
70 assertTrue(isWhitespace(c));
71 break;
72 default:
73 assertFalse(isWhitespace(c));
74 }
75 }
76 }
77
78 /**
79 * Test method for
80 * {@link RawCharUtil#trimTrailingWhitespace(byte[], int, int)}.
81 *
82 * @throws UnsupportedEncodingException
83 */
84 @Test
85 public void testTrimTrailingWhitespace()
86 throws UnsupportedEncodingException {
87 assertEquals(0, trimTrailingWhitespace("".getBytes("US-ASCII"), 0, 0));
88 assertEquals(0, trimTrailingWhitespace(" ".getBytes("US-ASCII"), 0, 1));
89 assertEquals(1, trimTrailingWhitespace("a ".getBytes("US-ASCII"), 0, 2));
90 assertEquals(2,
91 trimTrailingWhitespace(" a ".getBytes("US-ASCII"), 0, 3));
92 assertEquals(3,
93 trimTrailingWhitespace(" a".getBytes("US-ASCII"), 0, 3));
94 assertEquals(6, trimTrailingWhitespace(
95 " test ".getBytes("US-ASCII"), 2, 9));
96 }
97
98 /**
99 * Test method for
100 * {@link RawCharUtil#trimLeadingWhitespace(byte[], int, int)}.
101 *
102 * @throws UnsupportedEncodingException
103 */
104 @Test
105 public void testTrimLeadingWhitespace() throws UnsupportedEncodingException {
106 assertEquals(0, trimLeadingWhitespace("".getBytes("US-ASCII"), 0, 0));
107 assertEquals(1, trimLeadingWhitespace(" ".getBytes("US-ASCII"), 0, 1));
108 assertEquals(0, trimLeadingWhitespace("a ".getBytes("US-ASCII"), 0, 2));
109 assertEquals(1, trimLeadingWhitespace(" a ".getBytes("US-ASCII"), 0, 3));
110 assertEquals(2, trimLeadingWhitespace(" a".getBytes("US-ASCII"), 0, 3));
111 assertEquals(2, trimLeadingWhitespace(" test ".getBytes("US-ASCII"),
112 2, 9));
113 }
114
115 }