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1   /*
2    * Copyright (C) 2018, Google LLC.
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    *
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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
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21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
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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
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43  
44  package org.eclipse.jgit.internal.storage.dfs;
45  
46  import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.COMPACT;
47  import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.DEFAULT_COMPARATOR;
48  import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.GC;
49  import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.GC_REST;
50  import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.GC_TXN;
51  import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.INSERT;
52  import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.RECEIVE;
53  import static org.eclipse.jgit.internal.storage.dfs.DfsObjDatabase.PackSource.UNREACHABLE_GARBAGE;
54  import static org.junit.Assert.assertEquals;
55  
56  import org.junit.Test;
57  
58  public class PackSourceTest {
59  	@Test
60  	public void defaultComaprator() throws Exception {
61  		assertEquals(0, DEFAULT_COMPARATOR.compare(INSERT, INSERT));
62  		assertEquals(0, DEFAULT_COMPARATOR.compare(RECEIVE, RECEIVE));
63  		assertEquals(0, DEFAULT_COMPARATOR.compare(COMPACT, COMPACT));
64  		assertEquals(0, DEFAULT_COMPARATOR.compare(GC, GC));
65  		assertEquals(0, DEFAULT_COMPARATOR.compare(GC_REST, GC_REST));
66  		assertEquals(0, DEFAULT_COMPARATOR.compare(GC_TXN, GC_TXN));
67  		assertEquals(0, DEFAULT_COMPARATOR.compare(UNREACHABLE_GARBAGE, UNREACHABLE_GARBAGE));
68  
69  		assertEquals(0, DEFAULT_COMPARATOR.compare(INSERT, RECEIVE));
70  		assertEquals(0, DEFAULT_COMPARATOR.compare(RECEIVE, INSERT));
71  
72  		assertEquals(-1, DEFAULT_COMPARATOR.compare(INSERT, COMPACT));
73  		assertEquals(1, DEFAULT_COMPARATOR.compare(COMPACT, INSERT));
74  
75  		assertEquals(-1, DEFAULT_COMPARATOR.compare(RECEIVE, COMPACT));
76  		assertEquals(1, DEFAULT_COMPARATOR.compare(COMPACT, RECEIVE));
77  
78  		assertEquals(-1, DEFAULT_COMPARATOR.compare(COMPACT, GC));
79  		assertEquals(1, DEFAULT_COMPARATOR.compare(GC, COMPACT));
80  
81  		assertEquals(-1, DEFAULT_COMPARATOR.compare(GC, GC_REST));
82  		assertEquals(1, DEFAULT_COMPARATOR.compare(GC_REST, GC));
83  
84  		assertEquals(-1, DEFAULT_COMPARATOR.compare(GC_REST, GC_TXN));
85  		assertEquals(1, DEFAULT_COMPARATOR.compare(GC_TXN, GC_REST));
86  
87  		assertEquals(-1, DEFAULT_COMPARATOR.compare(GC_TXN, UNREACHABLE_GARBAGE));
88  		assertEquals(1, DEFAULT_COMPARATOR.compare(UNREACHABLE_GARBAGE, GC_TXN));
89  	}
90  }