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.lang3.concurrent;
18
19 import static org.junit.jupiter.api.Assertions.assertFalse;
20 import static org.junit.jupiter.api.Assertions.assertTrue;
21
22 import java.util.concurrent.atomic.AtomicBoolean;
23
24 import org.junit.jupiter.api.Test;
25
26 /**
27 * Tests {@code LazyInitializer}.
28 */
29 public class LazyInitializerCloserTest extends AbstractConcurrentInitializerTest {
30
31 private final AtomicBoolean closed = new AtomicBoolean();
32
33 /**
34 * Creates the initializer to be tested. This implementation returns the {@code LazyInitializer} created in the {@code setUp()} method.
35 *
36 * @return the initializer to be tested
37 */
38 @Override
39 protected LazyInitializer<Object> createInitializer() {
40 return LazyInitializer.builder().setInitializer(Object::new).setCloser(e -> closed.set(true)).get();
41 }
42
43 @Test
44 public void testIsInitialized() throws ConcurrentException {
45 final LazyInitializer<Object> initializer = createInitializer();
46 assertFalse(initializer.isInitialized());
47 initializer.get();
48 assertTrue(initializer.isInitialized());
49 assertFalse(closed.get());
50 initializer.close();
51 assertTrue(closed.get());
52 }
53
54 }