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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.assertNotNull;
22  import static org.junit.jupiter.api.Assertions.assertThrows;
23  
24  import java.io.IOException;
25  import java.util.concurrent.atomic.AtomicInteger;
26  import java.util.concurrent.atomic.AtomicReference;
27  
28  import org.apache.commons.lang3.AbstractLangTest;
29  import org.junit.jupiter.api.Test;
30  
31  /**
32   * Tests {@link FailableObjIntConsumer}.
33   */
34  class FailableObjIntConsumerTest extends AbstractLangTest {
35  
36      @Test
37      void testAccept_invokesConsumer() throws IOException {
38          final AtomicReference<String> objRef = new AtomicReference<>();
39          final AtomicInteger valRef = new AtomicInteger();
40          final FailableObjIntConsumer<String, IOException> consumer = (o, v) -> {
41              objRef.set(o);
42              valRef.set(v);
43          };
44          consumer.accept("hello", 42);
45          assertEquals("hello", objRef.get());
46          assertEquals(42, valRef.get());
47      }
48  
49      @Test
50      void testAccept_throwsException() {
51          final IOException expected = new IOException("fail");
52          final FailableObjIntConsumer<String, IOException> consumer = (o, v) -> {
53              throw expected;
54          };
55          final IOException thrown = assertThrows(IOException.class, () -> consumer.accept("x", 1));
56          assertEquals(expected, thrown);
57      }
58  
59      @Test
60      void testNop_acceptDoesNothing() throws Throwable {
61          FailableObjIntConsumer.nop().accept("x", 1);
62      }
63  
64      @Test
65      void testNop_returnsNonNull() {
66          assertNotNull(FailableObjIntConsumer.nop());
67      }
68  }