/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program 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 program 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 at /legal/license.txt).
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.midp.suspend;
import com.sun.midp.i3test.TestCase;
import com.sun.midp.suspend.test.TestUtil;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnectionNotifier;
import javax.microedition.io.StreamConnection;
import java.io.IOException;
import java.io.DataInputStream;
import java.io.DataOutputStream;
/**
* Tests connection behavior within suspend/resume cycles.
*/
public class TestConnectionSuspend extends TestCase {
private Side server;
private Side client;
private void init() {
TestUtil.setNoVMSuspendMode();
server = new ServerSide();
TestUtil.sleep(1000);
client = new ClientSide();
client.waitReady();
server.waitReady();
}
public void runTests() throws Throwable {
init();
declare("Test connection before Suspend");
assertTrue("positive write", client.canWrite());
assertTrue("positive read", server.canRead());
declare("Test connection after Suspend");
TestUtil.suspendMidp();
TestUtil.sleep();
assertTrue("negative write", !client.canWrite());
assertTrue("negative read", !server.canRead());
declare("Test connection after Resume");
TestUtil.resumeMidp();
TestUtil.sleep();
assertTrue("negative write2", !client.canWrite());
assertTrue("negative read2", !server.canRead());
}
}
abstract class Side implements Runnable {
private StreamConnection conn;
private DataInputStream in;
private DataOutputStream out;
private final Object lock = new Object();
private String error;
static final int port = 33133;
abstract StreamConnection connect() throws IOException;
boolean canRead() {
try {
in.readInt();
}
catch (IOException e) {
return false;
}
return true;
}
boolean canWrite() {
try {
out.writeInt(1);
out.flush();
}
catch (IOException e) {
return false;
}
return true;
}
void waitReady() {
synchronized (lock) {
if (null == conn && null == error) {
try {
lock.wait();
}
catch (InterruptedException e) {
error = "interrupted";
}
}
}
if (error != null) {
throw new RuntimeException(error);
}
}
public void run() {
synchronized (lock) {
try {
conn = connect();
in = conn.openDataInputStream();
out = conn.openDataOutputStream();
}
catch (IOException e) {
error = e.getMessage();
}
finally {
lock.notify();
}
}
}
Side() {
new Thread(this).start();
}
}
class ServerSide extends Side {
StreamConnection connect() throws IOException {
StreamConnectionNotifier notif = (StreamConnectionNotifier)
Connector.open("socket://:" + port);
return notif.acceptAndOpen();
}
}
class ClientSide extends Side {
StreamConnection connect() throws IOException {
return (StreamConnection) Connector.open("socket://localhost:" + port);
}
}
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