1 /*
2 * Copyright (c) 2012-2023, 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.log;
31
32 import java.util.concurrent.ExecutorService;
33 import java.util.concurrent.Executors;
34 import java.util.concurrent.Future;
35 import java.util.concurrent.TimeUnit;
36 import org.junit.jupiter.api.Test;
37
38 /**
39 * Test case for {@link VerboseThreads}.
40 * @since 0.1
41 */
42 @SuppressWarnings("PMD.DoNotUseThreads")
43 final class VerboseThreadsTest {
44
45 @Test
46 void instantiatesThreadsOnDemand() throws Exception {
47 final ExecutorService service = Executors
48 .newSingleThreadExecutor(new VerboseThreads("foo"));
49 service.execute(
50 () -> {
51 throw new IllegalArgumentException("oops");
52 }
53 );
54 TimeUnit.SECONDS.sleep(1L);
55 service.shutdown();
56 }
57
58 @Test
59 void logsWhenThreadsAreNotDying() throws Exception {
60 final ExecutorService service = Executors
61 .newSingleThreadExecutor(new VerboseThreads(this));
62 final Future<?> future = service.submit(
63 (Runnable) () -> {
64 throw new IllegalArgumentException("boom");
65 }
66 );
67 while (!future.isDone()) {
68 TimeUnit.SECONDS.sleep(1L);
69 }
70 service.shutdown();
71 }
72
73 }