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.aj;
31
32 import com.jcabi.aspects.Parallel;
33 import java.util.concurrent.atomic.AtomicInteger;
34 import org.hamcrest.MatcherAssert;
35 import org.hamcrest.Matchers;
36 import org.junit.jupiter.api.Assertions;
37 import org.junit.jupiter.api.Test;
38
39 /**
40 * Tests for {@link Parallelizer}.
41 *
42 * @since 0.10
43 */
44 @SuppressWarnings("PMD.DoNotUseThreads")
45 final class ParallelizerTest {
46 @Test
47 void executesInParallel() {
48 final AtomicInteger count = new AtomicInteger(10);
49 new Runnable() {
50 @Override
51 @Parallel(threads = 10)
52 public void run() {
53 count.decrementAndGet();
54 }
55 } .run();
56 MatcherAssert.assertThat(count.get(), Matchers.equalTo(0));
57 }
58
59 @Test
60 void throwsCatchedException() {
61 Assertions.assertThrows(
62 Exception.class,
63 () -> new Runnable() {
64 @Override
65 @Parallel(threads = 10)
66 public void run() {
67 throw new IllegalArgumentException();
68 }
69 }.run()
70 );
71 }
72 }