123 lines
3.9 KiB
Java
123 lines
3.9 KiB
Java
/*
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* Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/* @test
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* @summary When an object is retrieved from a MarshalledObject, callbacks
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* that were registered by objects in the graph for execution when the
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* unmarshalling is done should get executed. This is verified by way of
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* an exported object's stub getting unmarshalled, and then garbage
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* collected, in which case the impl's unreferenced() method should get
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* invoked.
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* @author Peter Jones
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*
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* @library ../../../testlibrary
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* @build MarshalledObjectGet
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* @build MarshalledObjectGet_Stub
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* @run main/othervm/timeout=120 MarshalledObjectGet
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*/
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import java.rmi.MarshalledObject;
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import java.rmi.Remote;
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import java.rmi.server.UnicastRemoteObject;
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import java.rmi.server.Unreferenced;
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public class MarshalledObjectGet implements Remote, Unreferenced {
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private static final String BINDING = "MarshalledObjectGet";
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private static final long GC_INTERVAL = 6000;
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private static final long TIMEOUT = 50000;
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private Object lock = new Object();
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private boolean unreferencedInvoked;
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public void unreferenced() {
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System.err.println("unreferenced() method invoked");
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synchronized (lock) {
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unreferencedInvoked = true;
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lock.notify();
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}
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}
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public static void main(String[] args) {
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System.err.println(
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"\nTest to verify correction interaction of " +
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"MarshalledObject.get and DGC registration\n");
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/*
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* Set the interval that RMI will request for GC latency (before RMI
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* gets initialized and this property is read) to an unrealistically
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* small value, so that this test shouldn't have to wait too long.
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*/
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System.setProperty("sun.rmi.dgc.client.gcInterval",
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String.valueOf(GC_INTERVAL));
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MarshalledObjectGet obj = new MarshalledObjectGet();
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try {
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Remote stub = UnicastRemoteObject.exportObject(obj);
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System.err.println("exported remote object");
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MarshalledObject mobj = new MarshalledObject(stub);
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Remote unmarshalledStub = (Remote) mobj.get();
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System.err.println("unmarshalled stub from marshalled object");
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synchronized (obj.lock) {
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obj.unreferencedInvoked = false;
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unmarshalledStub = null;
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System.gc();
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System.err.println("cleared unmarshalled stub");
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System.err.println("waiting for unreferenced() callback " +
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"(SHOULD happen)...");
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obj.lock.wait(TIMEOUT);
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if (obj.unreferencedInvoked) {
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// TEST PASSED
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} else {
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throw new RuntimeException(
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"TEST FAILED: unrefereced() not invoked after " +
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((double) TIMEOUT / 1000.0) + " seconds");
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}
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}
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System.err.println("TEST PASSED");
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} catch (Exception e) {
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if (e instanceof RuntimeException) {
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throw (RuntimeException) e;
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} else {
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throw new RuntimeException(
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"TEST FAILED: unexpected exception: " + e.toString());
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}
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} finally {
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if (obj != null) {
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try {
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UnicastRemoteObject.unexportObject(obj, true);
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} catch (Exception e) {
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}
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}
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}
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}
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}
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