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/*
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @summary Test Thread.sleep when emitting the JFR jdk.ThreadSleep event throws OOME
* @modules java.base/jdk.internal.event
* @compile/module=java.base jdk/internal/event/ThreadSleepEvent.java
* @run junit ThreadSleepEventThrows
*/
import jdk.internal.event.ThreadSleepEvent;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class ThreadSleepEventThrows {
/**
* Test Thread.sleep when creating the ThreadSleepEvent fails with OOME.
*/
@Test
void testThreadSleepEventCreateThrows() throws Exception {
ThreadSleepEvent.setCreateThrows(true);
try {
testSleep();
} finally {
ThreadSleepEvent.setCreateThrows(false);
}
}
/**
* Test Thread.sleep when ThreadSleepEvent.begin fails with OOME.
*/
@Test
void testThreadSleepEventBeginThrows() throws Exception {
ThreadSleepEvent.setBeginThrows(true);
try {
testSleep();
} finally {
ThreadSleepEvent.setBeginThrows(false);
}
}
/**
* Test Thread.sleep when ThreadSleepEvent.commit fails with OOME.
*/
@Test
void testThreadSleepEventCommitThrows() throws Exception {
ThreadSleepEvent.setCommitThrows(true);
try {
testSleep();
} finally {
ThreadSleepEvent.setCommitThrows(false);
}
}
/**
* Test Thread.sleep takes a minimum duration and doesn't throw.
*/
private void testSleep() throws Exception {
long start = currentTimeMillis();
Thread.sleep(SLEEP_TIME);
long duration = currentTimeMillis() - start;
assertTrue(duration >= MIN_EXPECTED_DURATION,
"Duration " + duration + "ms, expected >= " + MIN_EXPECTED_DURATION + "ms");
}
private static final int SLEEP_TIME = 2000;
private static final int MIN_EXPECTED_DURATION = 1900;
private static long currentTimeMillis() {
return NANOSECONDS.toMillis(System.nanoTime());
}
}
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