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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.hc.core5.concurrent;
28  
29  import java.util.concurrent.Future;
30  
31  import org.hamcrest.CoreMatchers;
32  import org.hamcrest.MatcherAssert;
33  import org.junit.Assert;
34  import org.junit.Test;
35  
36  public class TestComplexFuture {
37  
38      @Test
39      public void testCancelled() throws Exception {
40          final ComplexFuture<Object> future = new ComplexFuture<>(null);
41  
42          final Future<Object> dependency1 = new BasicFuture<>(null);
43          future.setDependency(dependency1);
44  
45          Assert.assertFalse(future.isDone());
46  
47          future.cancel();
48          MatcherAssert.assertThat(future.isCancelled(), CoreMatchers.is(true));
49          MatcherAssert.assertThat(dependency1.isCancelled(), CoreMatchers.is(true));
50  
51          final Future<Object> dependency2 = new BasicFuture<>(null);
52          future.setDependency(dependency2);
53          MatcherAssert.assertThat(dependency2.isCancelled(), CoreMatchers.is(true));
54      }
55  
56      @Test
57      public void testCompleted() throws Exception {
58          final ComplexFuture<Object> future = new ComplexFuture<>(null);
59  
60          final Future<Object> dependency1 = new BasicFuture<>(null);
61          future.setDependency(dependency1);
62  
63          Assert.assertFalse(future.isDone());
64  
65          future.completed(Boolean.TRUE);
66          MatcherAssert.assertThat(future.isCancelled(), CoreMatchers.is(false));
67          MatcherAssert.assertThat(dependency1.isCancelled(), CoreMatchers.is(false));
68  
69          final Future<Object> dependency2 = new BasicFuture<>(null);
70          future.setDependency(dependency2);
71          MatcherAssert.assertThat(dependency2.isCancelled(), CoreMatchers.is(true));
72      }
73  
74      @Test
75      public void testCancelledWithCallback() throws Exception {
76          final ComplexFuture<Object> future = new ComplexFuture<>(null);
77  
78          final Future<Object> dependency1 = new BasicFuture<>(new FutureContribution<Object>(future) {
79  
80              @Override
81              public void completed(final Object result) {
82              }
83  
84          });
85          future.setDependency(dependency1);
86  
87          Assert.assertFalse(future.isDone());
88  
89          future.cancel();
90          MatcherAssert.assertThat(future.isCancelled(), CoreMatchers.is(true));
91          MatcherAssert.assertThat(dependency1.isCancelled(), CoreMatchers.is(true));
92  
93          final Future<Object> dependency2 = new BasicFuture<>(null);
94          future.setDependency(dependency2);
95          MatcherAssert.assertThat(dependency2.isCancelled(), CoreMatchers.is(true));
96      }
97  
98  }