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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one or more
3    *  contributor license agreements.  See the NOTICE file distributed with
4    *  this work for additional information regarding copyright ownership.
5    *  The ASF licenses this file to You under the Apache License, Version 2.0
6    *  (the "License"); you may not use this file except in compliance with
7    *  the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  
18  package org.apache.commons.compress.archivers.zip;
19  
20  import static org.junit.jupiter.api.Assertions.assertEquals;
21  import static org.junit.jupiter.api.Assertions.assertNotEquals;
22  import static org.junit.jupiter.api.Assertions.assertNotSame;
23  
24  import org.junit.jupiter.api.Test;
25  
26  /**
27   * JUnit tests for org.apache.commons.compress.archivers.zip.ZipShort.
28   */
29  public class ZipShortTest {
30  
31      @Test
32      public void testClone() {
33          final ZipShort s1 = new ZipShort(42);
34          final ZipShort s2 = (ZipShort) s1.clone();
35          assertNotSame(s1, s2);
36          assertEquals(s1, s2);
37          assertEquals(s1.getValue(), s2.getValue());
38      }
39  
40      /**
41       * Test the contract of the equals method.
42       */
43      @Test
44      public void testEquals() {
45          final ZipShort zs = new ZipShort(0x1234);
46          final ZipShort zs2 = new ZipShort(0x1234);
47          final ZipShort zs3 = new ZipShort(0x5678);
48  
49          assertEquals(zs, zs, "reflexive");
50  
51          assertEquals(zs, zs2, "works");
52          assertNotEquals(zs, zs3, "works, part two");
53  
54          assertEquals(zs2, zs, "symmetric");
55  
56          assertNotEquals(null, zs, "null handling");
57          assertNotEquals(zs, Integer.valueOf(0x1234), "non ZipShort handling");
58      }
59  
60      /**
61       * Test conversion from bytes.
62       */
63      @Test
64      public void testFromBytes() {
65          final byte[] val = { 0x34, 0x12 };
66          final ZipShort zs = new ZipShort(val);
67          assertEquals(0x1234, zs.getValue(), "value from bytes");
68      }
69  
70      /**
71       * Test conversion to bytes.
72       */
73      @Test
74      public void testPut() {
75          final byte[] arr = new byte[3];
76          ZipShort.putShort(0x1234, arr, 1);
77          assertEquals(0x34, arr[1], "first byte getBytes");
78          assertEquals(0x12, arr[2], "second byte getBytes");
79      }
80  
81      /**
82       * Test sign handling.
83       */
84      @Test
85      public void testSign() {
86          final ZipShort zs = new ZipShort(new byte[] { (byte) 0xFF, (byte) 0xFF });
87          assertEquals(0x0000FFFF, zs.getValue());
88      }
89  
90      /**
91       * Test conversion to bytes.
92       */
93      @Test
94      public void testToBytes() {
95          final ZipShort zs = new ZipShort(0x1234);
96          final byte[] result = zs.getBytes();
97          assertEquals(2, result.length, "length getBytes");
98          assertEquals(0x34, result[0], "first byte getBytes");
99          assertEquals(0x12, result[1], "second byte getBytes");
100     }
101 }