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INTEGRATION: CWS uno4 (1.1.2); FILE ADDED

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2003/05/09 12:22:08 sb 1.1.2.1: #108642# Moved Java remote bridge tests from jurt/tests/bugs here to avoid cyclic project dependencies.
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Vladimir Glazounov 2003-05-22 07:38:32 +00:00
parent dd2db0a3bf
commit caaaa0f20f
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bridges/test/com/sun/star/lib/uno/bridges/java_remote/Bug108825_Test.java Normal file
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/*************************************************************************
*
* $RCSfile: Bug108825_Test.java,v $
*
* $Revision: 1.2 $
*
* last change: $Author: vg $ $Date: 2003-05-22 08:38:32 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2002 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
package com.sun.star.lib.uno.bridges.java_remote;
import com.sun.star.bridge.XBridge;
import com.sun.star.bridge.XInstanceProvider;
import com.sun.star.lib.TestBed;
import com.sun.star.lib.uno.typeinfo.MethodTypeInfo;
import com.sun.star.lib.uno.typeinfo.TypeInfo;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XInterface;
import complexlib.ComplexTestCase;
/**
* Test case for bug #108825#.
*
* <p>Bug #108825# "Java UNO Remote Bridge: Mapped-out Objects Not Held" shows
* that local objects that are mapped out via a remote bridge, but not held
* locally, might be garbage collected while there are still remote references
* to them. This test is not guaranteed to always work reliably, see comment in
* the code.</p>
*/
public final class Bug108825_Test extends ComplexTestCase {
public String getTestObjectName() {
return getClass().getName();
}
public String[] getTestMethodNames() {
return new String[] { "test" };
}
public void test() throws Exception {
TestBed t = new TestBed();
assure("test", t.execute(new Provider(t), true, Client.class, 0));
}
public static final class Client extends TestBed.Client {
public static void main(String[] args) {
new Client().execute();
}
protected boolean run(XBridge bridge) throws Throwable {
XTest test = (XTest) UnoRuntime.queryInterface(
XTest.class, bridge.getInstance("Test"));
// Send the XObject that is held on the server side amidst two
// dummies that are not held on the server side; then wait for the
// dummies to be garbage collected, hoping that the XObject, if it
// is erroneously not held on the client side, will be garbage
// collected, too. Obviously, this is not guaranteed to always work
// (the VM might chose not to garbage collect the dummies, hanging
// the test forever; or the VM might chose to garbage collect the
// dummies but not the XObject, making the test pass erroneously).
test.offer(new Dummy(), new XObject() { public void call() {} },
new Dummy());
System.out.println("Client waiting for garbage collection...");
for (;;) {
synchronized (lock) {
if (finalizedCount == 2) {
break;
}
}
test.remoteGc();
gc();
}
System.out.println("Client garbage collection done.");
test.notification();
return true;
}
private final class Dummy implements XDummy {
protected void finalize() {
synchronized (lock) {
++finalizedCount;
}
}
}
private final Object lock = new Object();
private int finalizedCount = 0;
}
// Make it as likely as possible that the VM reclaims all garbage:
private static void gc() {
System.gc();
System.runFinalization();
byte[] garbage = new byte[1024 * 1024];
}
private static final class Provider implements XInstanceProvider {
public Provider(TestBed testBed) {
this.testBed = testBed;
}
public Object getInstance(String instanceName) {
return new XTest() {
public void offer(XDummy dummy1, XObject obj, XDummy dummy2)
{
this.obj = obj;
}
public void remoteGc() {
gc();
}
public void notification() {
obj.call();
testBed.serverDone(true);
}
private XObject obj;
};
}
private final TestBed testBed;
}
public interface XDummy extends XInterface {
TypeInfo[] UNOTYPEINFO = null;
}
public interface XObject extends XInterface {
void call();
TypeInfo[] UNOTYPEINFO = { new MethodTypeInfo("call", 0, 0) };
}
public interface XTest extends XInterface {
void offer(XDummy dummy1, XObject obj, XDummy dummy2);
void remoteGc();
void notification();
TypeInfo[] UNOTYPEINFO = { new MethodTypeInfo("offer", 0, 0),
new MethodTypeInfo("remoteGc", 1, 0),
new MethodTypeInfo("notification", 2, 0) };
}
}