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1   /*
2    * Copyright (C) 2008-2009, 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.dircache;
45  
46  import static org.junit.Assert.assertEquals;
47  import static org.junit.Assert.assertNotSame;
48  import static org.junit.Assert.assertSame;
49  import static org.junit.Assert.assertTrue;
50  
51  import java.io.IOException;
52  
53  import org.eclipse.jgit.errors.CorruptObjectException;
54  import org.eclipse.jgit.junit.RepositoryTestCase;
55  import org.eclipse.jgit.lib.FileMode;
56  import org.junit.Test;
57  
58  public class DirCacheLargePathTest extends RepositoryTestCase {
59  	@Test
60  	public void testPath_4090() throws Exception {
61  		testLongPath(4090);
62  	}
63  
64  	@Test
65  	public void testPath_4094() throws Exception {
66  		testLongPath(4094);
67  	}
68  
69  	@Test
70  	public void testPath_4095() throws Exception {
71  		testLongPath(4095);
72  	}
73  
74  	@Test
75  	public void testPath_4096() throws Exception {
76  		testLongPath(4096);
77  	}
78  
79  	@Test
80  	public void testPath_16384() throws Exception {
81  		testLongPath(16384);
82  	}
83  
84  	private void testLongPath(int len) throws CorruptObjectException,
85  			IOException {
86  		final String longPath = makeLongPath(len);
87  		final String shortPath = "~~~ shorter-path";
88  
89  		final DirCacheEntry longEnt = new DirCacheEntry(longPath);
90  		final DirCacheEntry shortEnt = new DirCacheEntry(shortPath);
91  
92  		longEnt.setFileMode(FileMode.REGULAR_FILE);
93  		shortEnt.setFileMode(FileMode.REGULAR_FILE);
94  
95  		assertEquals(longPath, longEnt.getPathString());
96  		assertEquals(shortPath, shortEnt.getPathString());
97  
98  		{
99  			final DirCache dc1 = db.lockDirCache();
100 			{
101 				final DirCacheBuilder b = dc1.builder();
102 				b.add(longEnt);
103 				b.add(shortEnt);
104 				assertTrue(b.commit());
105 			}
106 			assertEquals(2, dc1.getEntryCount());
107 			assertSame(longEnt, dc1.getEntry(0));
108 			assertSame(shortEnt, dc1.getEntry(1));
109 		}
110 		{
111 			final DirCache dc2 = db.readDirCache();
112 			assertEquals(2, dc2.getEntryCount());
113 
114 			assertNotSame(longEnt, dc2.getEntry(0));
115 			assertEquals(longPath, dc2.getEntry(0).getPathString());
116 
117 			assertNotSame(shortEnt, dc2.getEntry(1));
118 			assertEquals(shortPath, dc2.getEntry(1).getPathString());
119 		}
120 	}
121 
122 	private static String makeLongPath(int len) {
123 		final StringBuilder r = new StringBuilder(len);
124 		for (int i = 0; i < len; i++)
125 			r.append('a' + (i % 26));
126 		return r.toString();
127 	}
128 }