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Diffstat (limited to 'java/junit-toolkit/src/main/org/apache/qpid/junit/concurrency/ThreadTestExample.java')
-rw-r--r-- | java/junit-toolkit/src/main/org/apache/qpid/junit/concurrency/ThreadTestExample.java | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/java/junit-toolkit/src/main/org/apache/qpid/junit/concurrency/ThreadTestExample.java b/java/junit-toolkit/src/main/org/apache/qpid/junit/concurrency/ThreadTestExample.java deleted file mode 100644 index b9865f2e22..0000000000 --- a/java/junit-toolkit/src/main/org/apache/qpid/junit/concurrency/ThreadTestExample.java +++ /dev/null @@ -1,145 +0,0 @@ -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * - */ -package org.apache.qpid.junit.concurrency; - -import org.apache.log4j.Logger; - -/** - * An example to illustrate the use of the {@link ThreadTestCoordinator} and {@link TestRunnable}s. - * - * <p/><table id="crc"><caption>CRC Card</caption> - * <tr><th> Responsibilities <th> Collaborations - * <tr><td> Demo multi-threaded testing. - * </table> - * - * @author Rupert Smith - */ -public class ThreadTestExample -{ - /** Used for logging. */ - private static final Logger log = Logger.getLogger(ThreadTestExample.class); - - /** Test thread 1. */ - TestRunnable testThread1 = - new TestRunnable() - { - public void runWithExceptions() throws Exception - { - log.debug("public void run(): called"); - log.info("in testThread0, block 1"); - - // Wait for t2 to allow t1 to continue. - allow(new int[] { 1 }); - waitFor(new int[] { 1 }, false); - - log.info("in testThread0, block 2"); - - // Wait for t2 to allow t1 to continue. T2 is allowed to be blocked elsewhere than giving explicit - // permission to allow t1 to continue. - allow(new int[] { 1 }); - waitFor(new int[] { 1 }, true); - - log.info("in testThread0, block 3"); - - // Release thread 2 from waiting on the shared lock. - synchronized (sharedLock) - { - sharedLock.notifyAll(); - } - - allow(new int[] { 1 }); - } - }; - - /** A shared lock between the test threads. */ - final Object sharedLock = new Object(); - - /** Test thread 2. */ - TestRunnable testThread2 = - new TestRunnable() - { - public void runWithExceptions() throws Exception - { - log.debug("public void run(): called"); - log.info("in testThread1, block 1"); - - // Wait for t1 to allow t2 to continue. - allow(new int[] { 0 }); - waitFor(new int[] { 0 }, false); - - log.info("in testThread1, block 2"); - - // Wait on another resource. T1 should accept this as permission to continue. - try - { - synchronized (sharedLock) - { - log.debug("in testThread1, waiting on shared lock."); - sharedLock.wait(); - } - } - catch (InterruptedException e) - { - // Bail-out with a runtime if this happens. - throw new RuntimeException("Interrupted whilst waiting for shared lock.", e); - } - - log.info("in testThread1, finished waiting on shared lock."); - - // allow(new int[] { 0 }); - - // Wait for t1 to allow t2 to continue. - waitFor(new int[] { 0 }, false); - - log.info("in testThread1, block 3"); - - allow(new int[] { 0 }); - } - }; - - /** - * Executes the test threads with coordination. - * - * @param args Ignored. - */ - public void main(String[] args) - { - ThreadTestCoordinator tt = new ThreadTestCoordinator(2); - - tt.addTestThread(testThread1, 0); - tt.addTestThread(testThread2, 1); - tt.setDeadlockTimeout(500); - tt.run(); - - String errorMessage = tt.joinAndRetrieveMessages(); - - // Print any error messages or exceptions. - log.info(errorMessage); - - if (!tt.getExceptions().isEmpty()) - { - for (Exception e : tt.getExceptions()) - { - log.warn("Exception thrown during test thread: ", e); - } - } - } -} |