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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed 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. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.internal.util;
import java.io.IOException;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.TestCase;
/**
* Test for {@link SingletonCallable}
*
* @author sbawaskar
*/
public class SingletonCallableJUnitTest extends TestCase {
public void testAllThreadsThrowException() throws Exception {
final SingletonCallable callable = new SingletonCallable();
// start 10 threads
int numThreads = 10;
Thread[] threads = new Thread[numThreads];
final AtomicInteger count = new AtomicInteger();
final AtomicInteger numExceptions = new AtomicInteger();
final CountDownLatch waitForAllThreads = new CountDownLatch(1);
for (int i=0; i() {
@Override
public Boolean call() throws Exception {
count.incrementAndGet();
Thread.sleep(500);
throw new IOException("SWAP");
}
});
} catch (Exception e) {
// expected
numExceptions.incrementAndGet();
}
}
});
threads[i] = t;
t.start();
}
waitForAllThreads.countDown();
for (int i=0; i callable = new SingletonCallable();
// start 10 threads
int numThreads = 10;
Thread[] threads = new Thread[numThreads];
final AtomicInteger count = new AtomicInteger();
final CountDownLatch waitForAllThreads = new CountDownLatch(1);
for (int i=0; i() {
@Override
public Integer call() throws Exception {
Thread.sleep(500);
return count.incrementAndGet();
}
});
} catch (Exception e) {
// expected
}
}
});
threads[i] = t;
t.start();
}
waitForAllThreads.countDown();
for (int i=0; i extends SingletonCallable {
@Override
public boolean ignoreException(Exception e) {
return true;
}
}
public void testExOverride() throws Exception {
final SingletonCallableNoException callable = new SingletonCallableNoException();
// start 10 threads
int numThreads = 10;
Thread[] threads = new Thread[numThreads];
final AtomicInteger count = new AtomicInteger();
final AtomicInteger numExceptions = new AtomicInteger();
final CountDownLatch waitForAllThreads = new CountDownLatch(1);
for (int i=0; i() {
@Override
public Boolean call() throws Exception {
count.incrementAndGet();
Thread.sleep(500);
throw new IOException("SWAP");
}
});
} catch (Exception e) {
// expected
numExceptions.incrementAndGet();
}
}
});
threads[i] = t;
t.start();
}
waitForAllThreads.countDown();
for (int i=0; i