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
18 package org.apache.commons.lang3.function;
19
20 import java.util.function.Consumer;
21 import java.util.stream.Stream;
22
23 import org.apache.commons.lang3.AbstractLangTest;
24 import org.junit.jupiter.api.Test;
25
26 /**
27 * Tests {@link Consumers}.
28 */
29 public class ConsumersTest extends AbstractLangTest {
30
31 /**
32 * Tests {@link Consumers#nop()}.
33 */
34 @Test
35 public void testNop() {
36 Stream.of("").forEach(Consumers.nop());
37 //
38 final Consumer<?> c1 = Consumers.nop();
39 c1.accept(null);
40 final Consumer<Object> c2 = Consumers.nop();
41 c2.accept(null);
42 final Consumer<String> c3 = Consumers.nop();
43 c3.accept(null);
44 //
45 Consumers.nop().accept(null);
46 Consumers.nop().accept("");
47 }
48
49 }