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/*
* Copyright (c) 2018, 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
* @bug 8153629
* @summary Need to cover JVMTI's GetOwnedMonitorStackDepthInfo function
* @compile GetOwnedMonitorStackDepthInfoTest.java
* @run main/othervm/native -agentlib:GetOwnedMonitorStackDepthInfoTest GetOwnedMonitorStackDepthInfoTest
*/
public class GetOwnedMonitorStackDepthInfoTest {
static {
try {
System.loadLibrary("GetOwnedMonitorStackDepthInfoTest");
} catch (UnsatisfiedLinkError ule) {
System.err.println("Could not load GetOwnedMonitorStackDepthInfoTest library");
System.err.println("java.library.path: "
+ System.getProperty("java.library.path"));
throw ule;
}
}
private static native int verifyOwnedMonitors();
private static volatile int results = -1;
public static void main(String[] args) throws Exception {
new GetOwnedMonitorStackDepthInfoTest().runTest();
}
public void runTest() throws Exception {
final Object lock1 = new Lock1();
Thread t1 = new Thread(() -> {
synchronized (lock1) {
System.out.println("Thread in sync section 1: "
+ Thread.currentThread().getName());
test1();
}
});
t1.start();
t1.join();
if (results != 0) {
throw new RuntimeException("FAILED status returned from the agent");
}
}
private synchronized void test1() {
test2();
}
private void test2() {
Object lock2 = new Lock2();
synchronized (lock2) {
System.out.println("Thread in sync section 2: "
+ Thread.currentThread().getName());
results = verifyOwnedMonitors();
}
}
private static class Lock1 {
}
private static class Lock2 {
}
}
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