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1   /*
2    * Copyright (c) 2012-2024, jcabi.com
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met: 1) Redistributions of source code must retain the above
8    * copyright notice, this list of conditions and the following
9    * disclaimer. 2) Redistributions in binary form must reproduce the above
10   * copyright notice, this list of conditions and the following
11   * disclaimer in the documentation and/or other materials provided
12   * with the distribution. 3) Neither the name of the jcabi.com nor
13   * the names of its contributors may be used to endorse or promote
14   * products derived from this software without specific prior written
15   * permission.
16   *
17   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28   * OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package com.jcabi.aspects;
31  
32  import java.util.concurrent.TimeUnit;
33  import java.util.concurrent.atomic.AtomicInteger;
34  import org.hamcrest.MatcherAssert;
35  import org.hamcrest.Matchers;
36  import org.junit.jupiter.api.Test;
37  
38  /**
39   * Test case for {@link RetryOnFailure} annotation and its implementation.
40   * @since 0.0.0
41   */
42  @SuppressWarnings("PMD.DoNotUseThreads")
43  final class RetryOnFailureTest {
44  
45      @Test
46      void executesMethodManyTimes() {
47          final AtomicInteger count = new AtomicInteger();
48          new Runnable() {
49              @Override
50              @RetryOnFailure(verbose = false, unit = TimeUnit.SECONDS, delay = 1)
51              public void run() {
52                  if (count.incrementAndGet() < 2) {
53                      throw new IllegalArgumentException(
54                          "this exception should be caught and swallowed"
55                      );
56                  }
57              }
58          } .run();
59          MatcherAssert.assertThat(count.get(), Matchers.greaterThan(0));
60      }
61  
62      @Test
63      void retriesOnError() {
64          final AtomicInteger count = new AtomicInteger();
65          new Runnable() {
66              @Override
67              @RetryOnFailure(verbose = false, unit = TimeUnit.SECONDS, delay = 1)
68              public void run() {
69                  if (count.incrementAndGet() < 2) {
70                      throw new AssertionError("Should be caught and ignored.");
71                  }
72              }
73          } .run();
74          MatcherAssert.assertThat(count.get(), Matchers.greaterThan(0));
75      }
76  
77  }