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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    *      https://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.lang3.concurrent;
19  
20  import static org.apache.commons.lang3.LangAssertions.assertIllegalArgumentException;
21  import static org.junit.jupiter.api.Assertions.assertEquals;
22  import static org.junit.jupiter.api.Assertions.assertNull;
23  
24  import org.junit.jupiter.api.Test;
25  
26  /**
27   * Tests {@link ConcurrentException}.
28   */
29  class ConcurrentExceptionTest {
30  
31      /**
32       * Tests creating a ConcurrentException with an error as cause.
33       */
34      @Test
35      void testCauseError() {
36          assertIllegalArgumentException(() -> new ConcurrentException("An error", new Error()));
37      }
38  
39      /**
40       * Tests creating a ConcurrentException with null as cause.
41       */
42      @Test
43      void testCauseNull() {
44          assertIllegalArgumentException(() -> new ConcurrentException((Throwable) null));
45      }
46  
47      @Test
48      void testCauseString() {
49          assertEquals("test", new ConcurrentException("test").getMessage());
50          assertNull(new ConcurrentException((String) null).getMessage());
51      }
52  
53      /**
54       * Tests creating a ConcurrentException with a runtime exception as cause.
55       */
56      @Test
57      void testCauseUnchecked() {
58          assertIllegalArgumentException(() -> new ConcurrentException(new RuntimeException()));
59      }
60  }