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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    *      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.io;
18  
19  import org.junit.Test;
20  
21  import java.io.File;
22  import java.util.concurrent.CountDownLatch;
23  import java.util.concurrent.atomic.AtomicBoolean;
24  
25  import static org.junit.Assert.assertTrue;
26  
27  /**
28   * This is used to test FileUtils.waitFor() method for correctness.
29   *
30   * @see FileUtils
31   */
32  public class FileUtilsWaitForTestCase {
33      // This class has been broken out from FileUtilsTestCase
34      // to solve issues as per BZ 38927
35  
36      //-----------------------------------------------------------------------
37      @Test
38      public void testWaitFor() {
39          FileUtils.waitFor(new File(""), -1);
40          FileUtils.waitFor(new File(""), 2);
41      }
42  
43      @Test
44      public void testWaitForInterrupted() throws InterruptedException {
45          final AtomicBoolean wasInterrupted = new AtomicBoolean(false);
46          final CountDownLatch started = new CountDownLatch(1);
47          Runnable thread = new Runnable() {
48              @Override
49              public void run() {
50                  started.countDown();
51                  FileUtils.waitFor(new File(""), 2);
52                  wasInterrupted.set( Thread.currentThread().isInterrupted());
53              }
54          };
55          Thread thread1 = new Thread(thread);
56          thread1.start();
57          started.await();
58          thread1.interrupt();
59          thread1.join();
60          assertTrue( wasInterrupted.get() );
61      }
62  
63  }