| /* |
| * Copyright (c) 2007, 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. |
| */ |
| package nsk.monitoring.share.thread; |
| |
| import nsk.share.log.Log; |
| import java.lang.management.ThreadInfo; |
| import java.lang.management.MonitorInfo; |
| import java.lang.management.LockInfo; |
| import nsk.share.test.LocalRandom; |
| import nsk.share.TestBug; |
| |
| /** |
| * TimedWaitingThread is RecursiveMonitoringThread that is waiting on a lock. |
| */ |
| public class TimedWaitingThread extends RecursiveMonitoringThread { |
| private String lock = new String("a lock"); |
| private volatile boolean ready = false; |
| private Object readyLock = new Object(); |
| private int count = LocalRandom.nextInt(100) + 1; |
| private volatile int n = 0; |
| private static final String[] expectedMethods = { |
| "java.lang.Object.wait", |
| "nsk.monitoring.share.thread.TimedWaitingThread.runInside" |
| }; |
| |
| public TimedWaitingThread(Log log, RunType recursionType, int maxDepth) { |
| super(log, recursionType, maxDepth); |
| } |
| |
| public void checkThreadInfo(ThreadInfo info) { |
| super.checkThreadInfo(info); |
| verify(info.getThreadState() == Thread.State.TIMED_WAITING, "ThreadInfo.getThreadState() = " + info.getThreadState() + " != " + Thread.State.TIMED_WAITING); |
| //verify(info.getBlockedTime() == 0 || info.getBlockedTime() == -1, "ThreadInfo.getBlockedTime() == " + info.getBlockedTime()); |
| //verify(info.getBlockedCount() == count, "ThreadInfo.getBlockedCount() = " + info.getBlockedCount() + " != " + count); |
| verify(info.getWaitedTime() == 0 || info.getWaitedTime() == -1, "ThreadInfo.getWaitedTime() == " + info.getWaitedTime()); |
| verify(info.getWaitedCount() == count + 1, "ThreadInfo.getWaitedCount() = " + info.getWaitedCount() + " != " + (count + 1)); |
| checkLockInfo(info.getLockInfo()); |
| verify(info.getLockName().equals(info.getLockInfo().toString()), "ThreadInfo.getLockName() = " + info.getLockName() + " != ThreadInfo.getLockInfo().toString() = " + info.getLockInfo().toString()); |
| verify(info.getLockOwnerId() == -1, "ThreadInfo.getLockOwnerId() = " + info.getLockOwnerId() + " != -1"); |
| verify(info.getLockOwnerName() == null, "ThreadInfo.getLockOwnerName() = " + info.getLockOwnerName() + " != null"); |
| checkMonitorInfo(info.getLockedMonitors(), null); |
| checkSynchronizers(info.getLockedSynchronizers(), null); |
| } |
| |
| private void checkLockInfo(LockInfo lockInfo) { |
| verify(lockInfo.getClassName().equals(lock.getClass().getName()), "LockInfo.getClassName() = " + lockInfo.getClassName() + " differs from lock.getClass().getName() = " + lock.getClass().getName()); |
| verify(lockInfo.getIdentityHashCode() == System.identityHashCode(lock), "LockInfo.getIdentityHashCode() = " + lockInfo.getIdentityHashCode() + " differs from System.identityHashCode(lock) = " + System.identityHashCode(lock)); |
| String expectedToString = lock.getClass().getName() + '@' + Integer.toHexString(System.identityHashCode(lock)); |
| verify(lockInfo.toString().equals(expectedToString), "LockInfo.toString() = " + lockInfo.toString() + " differs from expected toString() = " + expectedToString); |
| } |
| |
| public void waitState() { |
| synchronized (readyLock) { |
| while (!ready) { |
| try { |
| readyLock.wait(); |
| } catch (InterruptedException e) { |
| log.warn(e); |
| } |
| } |
| } |
| waitThreadState(Thread.State.TIMED_WAITING); |
| } |
| |
| public void finish() { |
| ready = false; |
| synchronized (lock) { |
| lock.notify(); |
| } |
| } |
| |
| protected void runInside() { |
| synchronized (lock) { |
| do { |
| try { |
| for (int i = 0; i < count; ++i) |
| lock.wait(1); |
| synchronized (readyLock) { |
| ready = true; |
| readyLock.notifyAll(); |
| } |
| lock.wait(10000000); |
| } catch (InterruptedException e) { |
| throw new TestBug(e); |
| } |
| } while (ready); |
| } |
| } |
| |
| protected boolean isStackTraceElementExpected(StackTraceElement element) { |
| return super.isStackTraceElementExpected(element) || checkStackTraceElement(element, expectedMethods); |
| } |
| } |