/*
* Copyright (c) 2006 Hyperic, Inc.
*
* 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.
*/
package org.hyperic.sigar.test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import junit.framework.TestCase;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.SigarProxy;
import org.hyperic.sigar.SigarProxyCache;
import org.hyperic.sigar.test.Proxy;
//test concurrency
public class TestThreads extends TestCase {
private static Sigar gSigar = null;
private static SigarProxy gProxy = null;
private static Object lock = new Object();
private static boolean verbose = true;
class ProxyThread extends Thread {
SigarException ex;
//true should make things blow up
boolean useGlobal = false;
public void run() {
Sigar sigar;
SigarProxy proxy;
try {
synchronized (lock) {
if (useGlobal) {
if (gSigar == null) {
gSigar = new Sigar();
gProxy = SigarProxyCache.newInstance(gSigar, 30 * 1000);
}
sigar = gSigar;
proxy = gProxy;
}
else {
sigar = new Sigar();
proxy = SigarProxyCache.newInstance(sigar, 30 * 1000);
}
}
String args[] = {"leaktest", "50"};
Proxy cmdProxy = new Proxy(sigar, proxy);
PrintStream ps = new PrintStream(new ByteArrayOutputStream());
if (verbose) {
cmdProxy.setVerbose(true);
cmdProxy.setLeakVerbose(true);
cmdProxy.run(args);
}
else {
cmdProxy.setOutputStream(ps);
}
} catch (SigarException e) {
this.ex = e;
}
}
}
public TestThreads(String name) {
super(name);
}
public void testCreate() throws Exception {
ArrayList threads = new ArrayList();
for (int i=0; i<4; i++) {
ProxyThread pt = new ProxyThread();
pt.useGlobal = true;
threads.add(pt);
pt.start();
}
for (int n=0; n<threads.size(); n++) {
ProxyThread pt = (ProxyThread)threads.get(n);
pt.join();
if (pt.ex != null) {
pt.ex.printStackTrace();
fail(pt.ex.getMessage());
}
}
}
}