| /* |
| * Copyright (c) 2013, 2015, 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 jdk.test.lib.thread; |
| |
| import java.util.concurrent.TimeoutException; |
| |
| /** |
| * Thread which catches exceptions thrown during the execution |
| * and stores them for later analysis. |
| * |
| * <pre> |
| * {@code |
| * TestThread thread = new TestThread(new XRun() { |
| * public void run() { |
| * // do something |
| * } |
| * }); |
| * thread.start(); |
| * // do something |
| * Throwable uncaught = thread.getUncaught(); |
| * } |
| * </pre> |
| */ |
| public class TestThread extends Thread { |
| |
| private final Runnable runnable; |
| private volatile Throwable uncaught; |
| |
| /** |
| * Returns {@link Runnable} the thread has been created with. |
| * |
| * @return The object whose {@code run} method is called |
| */ |
| public Runnable getRunnable() { |
| return runnable; |
| } |
| |
| /** |
| * Creates a new {@code TestThread} object. |
| * |
| * @param target The object whose {@code run} method is called |
| * @param name The thread name |
| */ |
| public TestThread(Runnable target, String name) { |
| super(target, name); |
| this.runnable = target; |
| } |
| |
| /** |
| * Creates a new {@code TestThread} object. |
| * |
| * @param target The object whose {@code run} method is called |
| */ |
| public TestThread(Runnable target) { |
| super(target); |
| this.runnable = target; |
| } |
| |
| /** |
| * Creates a new {@code TestThread} object. |
| * |
| * @param group The thread group |
| * @param target The object whose {@code run} method is called |
| * @param name The thread name |
| * @param stackSize Stack size |
| */ |
| public TestThread(ThreadGroup group, Runnable target, String name, |
| long stackSize) { |
| super(group, target, name, stackSize); |
| this.runnable = target; |
| } |
| |
| /** |
| * Creates a new {@code TestThread} object. |
| * |
| * @param group The thread group |
| * @param target The object whose {@code run} method is called |
| * @param name The thread name |
| */ |
| public TestThread(ThreadGroup group, Runnable target, String name) { |
| super(group, target, name); |
| this.runnable = target; |
| } |
| |
| /** |
| * Creates a new {@code TestThread} object. |
| * |
| * @param group The thread group |
| * @param target The object whose {@code run} method is called |
| */ |
| public TestThread(ThreadGroup group, Runnable target) { |
| super(group, target); |
| this.runnable = target; |
| } |
| |
| /** |
| * The thread executor. |
| */ |
| @Override |
| public void run() { |
| try { |
| super.run(); |
| } catch (Throwable t) { |
| uncaught = t; |
| } |
| } |
| |
| /** |
| * Returns exception caught during the execution. |
| * |
| * @return {@link Throwable} |
| */ |
| public Throwable getUncaught() { |
| return uncaught; |
| } |
| |
| /** |
| * Waits for {@link TestThread} to die |
| * and throws exception caught during the execution. |
| * |
| * @throws InterruptedException |
| * @throws Throwable |
| */ |
| public void joinAndThrow() throws InterruptedException, Throwable { |
| join(); |
| if (uncaught != null) { |
| throw uncaught; |
| } |
| } |
| |
| /** |
| * Waits during {@code timeout} for {@link TestThread} to die |
| * and throws exception caught during the execution. |
| * |
| * @param timeout The time to wait in milliseconds |
| * @throws InterruptedException |
| * @throws Throwable |
| */ |
| public void joinAndThrow(long timeout) throws InterruptedException, |
| Throwable { |
| join(timeout); |
| if (isAlive()) { |
| throw new TimeoutException(); |
| } |
| if (uncaught != null) { |
| throw uncaught; |
| } |
| } |
| |
| /** |
| * Waits for {@link TestThread} to die |
| * and returns exception caught during the execution. |
| * |
| * @return Exception caught during the execution |
| * @throws InterruptedException |
| */ |
| public Throwable joinAndReturn() throws InterruptedException { |
| join(); |
| if (uncaught != null) { |
| return uncaught; |
| } |
| return null; |
| } |
| |
| /** |
| * Waits during {@code timeout} for {@link TestThread} to die |
| * and returns exception caught during the execution. |
| * |
| * @param timeout The time to wait in milliseconds |
| * @return Exception caught during the execution |
| * @throws InterruptedException |
| */ |
| public Throwable joinAndReturn(long timeout) throws InterruptedException { |
| join(timeout); |
| if (isAlive()) { |
| return new TimeoutException(); |
| } |
| if (uncaught != null) { |
| return uncaught; |
| } |
| return null; |
| } |
| } |