/*
* 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.axiom.testutils.concurrent;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class ConcurrentTestUtils {
public static void testThreadSafety(final Action action) throws Throwable {
int threadCount = 10;
final List results = new ArrayList(threadCount);
for (int i=0; i<threadCount; i++) {
new Thread(new Runnable() {
public void run() {
Throwable result;
try {
for (int i=0; i<1000; i++) {
action.execute();
}
result = null;
} catch (Throwable ex) {
result = ex;
}
synchronized (results) {
results.add(result);
results.notifyAll();
}
}
}).start();
}
synchronized (results) {
while (results.size() < threadCount) {
results.wait();
}
}
for (Iterator it = results.iterator(); it.hasNext(); ) {
Throwable result = (Throwable)it.next();
if (result != null) {
throw result;
}
}
}
}