1 /*
2 * Copyright (C) 2018, David Pursehouse <david.pursehouse@gmail.com>
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.lib;
45
46 import static org.junit.Assert.assertEquals;
47 import static org.junit.Assert.assertNull;
48
49 import java.io.File;
50 import java.io.FileInputStream;
51 import java.io.FileOutputStream;
52 import java.io.InputStream;
53 import java.io.OutputStream;
54
55 import org.junit.Test;
56
57 public class ObjectIdSerializerTest {
58 @Test
59 public void serialize() throws Exception {
60 ObjectId original = new ObjectId(1, 2, 3, 4, 5);
61 ObjectId deserialized = writeAndReadBackFromTempFile(original);
62 assertEquals(original, deserialized);
63 }
64
65 @Test
66 public void serializeZeroId() throws Exception {
67 ObjectId original = ObjectId.zeroId();
68 ObjectId deserialized = writeAndReadBackFromTempFile(original);
69 assertEquals(original, deserialized);
70 }
71
72 @Test
73 public void serializeNull() throws Exception {
74 ObjectId deserialized = writeAndReadBackFromTempFile(null);
75 assertNull(deserialized);
76 }
77
78 private ObjectId writeAndReadBackFromTempFile(ObjectId objectId)
79 throws Exception {
80 File file = File.createTempFile("ObjectIdSerializerTest_", "");
81 try (OutputStream out = new FileOutputStream(file)) {
82 if (objectId == null) {
83 ObjectIdSerializer.write(out, objectId);
84 } else {
85 ObjectIdSerializer.writeWithoutMarker(out, objectId);
86 }
87 }
88 try (InputStream in = new FileInputStream(file)) {
89 if (objectId == null) {
90 return ObjectIdSerializer.read(in);
91 } else {
92 return ObjectIdSerializer.readWithoutMarker(in);
93 }
94 }
95 }
96 }