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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.assertEquals;
47  import static org.junit.Assert.assertFalse;
48  import static org.junit.Assert.assertTrue;
49  
50  import org.junit.Test;
51  
52  public class StringUtilsTest {
53  	@Test
54  	public void testToLowerCaseChar() {
55  		assertEquals('a', StringUtils.toLowerCase('A'));
56  		assertEquals('z', StringUtils.toLowerCase('Z'));
57  
58  		assertEquals('a', StringUtils.toLowerCase('a'));
59  		assertEquals('z', StringUtils.toLowerCase('z'));
60  
61  		assertEquals((char) 0, StringUtils.toLowerCase((char) 0));
62  		assertEquals((char) 0xffff, StringUtils.toLowerCase((char) 0xffff));
63  	}
64  
65  	@Test
66  	public void testToLowerCaseString() {
67  		assertEquals("\n abcdefghijklmnopqrstuvwxyz\n", StringUtils
68  				.toLowerCase("\n ABCDEFGHIJKLMNOPQRSTUVWXYZ\n"));
69  	}
70  
71  	@Test
72  	public void testEqualsIgnoreCase1() {
73  		final String a = "FOO";
74  		assertTrue(StringUtils.equalsIgnoreCase(a, a));
75  	}
76  
77  	@Test
78  	public void testEqualsIgnoreCase2() {
79  		assertFalse(StringUtils.equalsIgnoreCase("a", ""));
80  	}
81  
82  	@Test
83  	public void testEqualsIgnoreCase3() {
84  		assertFalse(StringUtils.equalsIgnoreCase("a", "b"));
85  		assertFalse(StringUtils.equalsIgnoreCase("ac", "ab"));
86  	}
87  
88  	@Test
89  	public void testEqualsIgnoreCase4() {
90  		assertTrue(StringUtils.equalsIgnoreCase("a", "a"));
91  		assertTrue(StringUtils.equalsIgnoreCase("A", "a"));
92  		assertTrue(StringUtils.equalsIgnoreCase("a", "A"));
93  	}
94  
95  	@Test
96  	public void testReplaceLineBreaks() {
97  		assertEquals("a b c ",
98  				StringUtils.replaceLineBreaksWithSpace("a b\nc\r"));
99  		assertEquals("a b c ",
100 				StringUtils.replaceLineBreaksWithSpace("a b\nc\n"));
101 		assertEquals("a b c ",
102 				StringUtils.replaceLineBreaksWithSpace("a b\nc\r\n"));
103 		assertEquals("a b c d",
104 				StringUtils.replaceLineBreaksWithSpace("a\r\nb\nc d"));
105 	}
106 }