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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.function;
19  
20  import static org.junit.jupiter.api.Assertions.assertEquals;
21  import static org.junit.jupiter.api.Assertions.assertThrows;
22  
23  import java.io.IOException;
24  
25  import org.apache.commons.lang3.AbstractLangTest;
26  import org.junit.jupiter.api.Test;
27  
28  /**
29   * Tests {@link FailableCallable}.
30   */
31  class FailableCallableTest extends AbstractLangTest {
32  
33      @Test
34      void testCall_returnsResult() throws IOException {
35          final FailableCallable<String, IOException> callable = () -> "hello";
36          assertEquals("hello", callable.call());
37      }
38  
39      @Test
40      void testCall_throwsException() {
41          final IOException expected = new IOException("fail");
42          final FailableCallable<String, IOException> callable = () -> {
43              throw expected;
44          };
45          final IOException thrown = assertThrows(IOException.class, callable::call);
46          assertEquals(expected, thrown);
47      }
48  }