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1   /*
2    * Copyright (C) 2016, Philipp Marx <philippmarx@gmx.de> and
3    * other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available under the
6    * terms of the Eclipse Distribution License v1.0 which accompanies this
7    * distribution, is reproduced below, and is available at
8    * 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 without
13   * modification, are permitted provided that the following conditions are met:
14   *
15   * - Redistributions of source code must retain the above copyright notice, this
16   * list of conditions and the following disclaimer.
17   *
18   * - Redistributions in binary form must reproduce the above copyright notice,
19   * this list of conditions and the following disclaimer in the documentation
20   * and/or other materials provided with the distribution.
21   *
22   * - Neither the name of the Eclipse Foundation, Inc. nor the names of its
23   * contributors may be used to endorse or promote products derived from this
24   * software without specific prior written permission.
25   *
26   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36   * POSSIBILITY OF SUCH DAMAGE.
37   */
38  
39  package org.eclipse.jgit.internal.storage.dfs;
40  
41  import static org.hamcrest.MatcherAssert.assertThat;
42  import static org.hamcrest.Matchers.is;
43  import static org.junit.Assert.assertThrows;
44  
45  import org.eclipse.jgit.internal.JGitText;
46  import org.junit.Test;
47  
48  public class DfsBlockCacheConfigTest {
49  
50  	@Test
51  	public void blockSizeNotPowerOfTwoExpectsException() {
52  		assertThrows(JGitText.get().blockSizeNotPowerOf2,
53  				IllegalArgumentException.class,
54  				() -> new DfsBlockCacheConfig().setBlockSize(1000));
55  	}
56  
57  	@Test
58  	@SuppressWarnings("boxing")
59  	public void negativeBlockSizeIsConvertedToDefault() {
60  		DfsBlockCacheConfig config = new DfsBlockCacheConfig();
61  		config.setBlockSize(-1);
62  
63  		assertThat(config.getBlockSize(), is(512));
64  	}
65  
66  	@Test
67  	@SuppressWarnings("boxing")
68  	public void tooSmallBlockSizeIsConvertedToDefault() {
69  		DfsBlockCacheConfig config = new DfsBlockCacheConfig();
70  		config.setBlockSize(10);
71  
72  		assertThat(config.getBlockSize(), is(512));
73  	}
74  
75  	@Test
76  	@SuppressWarnings("boxing")
77  	public void validBlockSize() {
78  		DfsBlockCacheConfig config = new DfsBlockCacheConfig();
79  		config.setBlockSize(65536);
80  
81  		assertThat(config.getBlockSize(), is(65536));
82  	}
83  }