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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  package org.apache.commons.io.output;
18  
19  import static org.junit.jupiter.api.Assertions.assertEquals;
20  import static org.junit.jupiter.api.Assertions.assertThrows;
21  
22  import java.io.IOException;
23  import java.io.OutputStream;
24  
25  import org.junit.jupiter.api.BeforeEach;
26  import org.junit.jupiter.api.Test;
27  
28  /**
29   * Tests {@link BrokenOutputStream}.
30   */
31  public class BrokenOutputStreamTest {
32  
33      private IOException exception;
34  
35      private OutputStream stream;
36  
37      @BeforeEach
38      public void setUp() {
39          exception = new IOException("test exception");
40          stream = new BrokenOutputStream(exception);
41      }
42  
43      @Test
44      public void testClose() {
45          assertEquals(exception, assertThrows(IOException.class, () -> stream.close()));
46      }
47  
48      @Test
49      public void testFlush() {
50          assertEquals(exception, assertThrows(IOException.class, () -> stream.flush()));
51      }
52  
53      @Test
54      public void testTryWithResources() {
55          final IOException thrown = assertThrows(IOException.class, () -> {
56              try (OutputStream newStream = new BrokenOutputStream()) {
57                  newStream.write(1);
58              }
59          });
60          assertEquals("Broken output stream", thrown.getMessage());
61  
62          final Throwable[] suppressed = thrown.getSuppressed();
63          assertEquals(1, suppressed.length);
64          assertEquals(IOException.class, suppressed[0].getClass());
65          assertEquals("Broken output stream", suppressed[0].getMessage());
66      }
67  
68      @Test
69      public void testWriteByteArray() {
70          assertEquals(exception, assertThrows(IOException.class, () -> stream.write(new byte[1])));
71      }
72  
73      @Test
74      public void testWriteByteArrayIndexed() {
75          assertEquals(exception, assertThrows(IOException.class, () -> stream.write(new byte[1], 0, 1)));
76      }
77  
78      @Test
79      public void testWriteInt() {
80          assertEquals(exception, assertThrows(IOException.class, () -> stream.write(1)));
81      }
82  
83  }