View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   https://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.commons.compress.compressors.gzip;
20  
21  import static org.junit.jupiter.api.Assertions.assertEquals;
22  import static org.junit.jupiter.api.Assertions.assertNotEquals;
23  
24  import java.io.IOException;
25  import java.nio.charset.StandardCharsets;
26  
27  import org.junit.jupiter.api.Test;
28  
29  /**
30   * Tests {@link ExtraField}.
31   */
32  class ExtraFieldTest {
33  
34      @Test
35      void testEquals() throws IOException {
36          assertEquals(new ExtraField(), new ExtraField());
37          assertEquals(new ExtraField().addSubField("BB", "CCCC".getBytes(StandardCharsets.ISO_8859_1)),
38                  new ExtraField().addSubField("BB", "CCCC".getBytes(StandardCharsets.ISO_8859_1)));
39          // not equals
40          assertNotEquals(new ExtraField().addSubField("XX", "CCCC".getBytes(StandardCharsets.ISO_8859_1)),
41                  new ExtraField().addSubField("BB", "CCCC".getBytes(StandardCharsets.ISO_8859_1)));
42          assertNotEquals(new ExtraField().addSubField("XX", "AAAA".getBytes(StandardCharsets.ISO_8859_1)),
43                  new ExtraField().addSubField("XX", "CCCC".getBytes(StandardCharsets.ISO_8859_1)));
44      }
45  
46      @Test
47      void testHashCode() throws IOException {
48          assertEquals(new ExtraField().hashCode(), new ExtraField().hashCode());
49          assertEquals(new ExtraField().addSubField("BB", "CCCC".getBytes(StandardCharsets.ISO_8859_1)).hashCode(),
50                  new ExtraField().addSubField("BB", "CCCC".getBytes(StandardCharsets.ISO_8859_1)).hashCode());
51          // not equals
52          assertNotEquals(new ExtraField().addSubField("XX", "CCCC".getBytes(StandardCharsets.ISO_8859_1)).hashCode(),
53                  new ExtraField().addSubField("BB", "CCCC".getBytes(StandardCharsets.ISO_8859_1)).hashCode());
54          assertNotEquals(new ExtraField().addSubField("XX", "AAAA".getBytes(StandardCharsets.ISO_8859_1)).hashCode(),
55                  new ExtraField().addSubField("XX", "CCCC".getBytes(StandardCharsets.ISO_8859_1)).hashCode());
56      }
57  }