/* 
 * Copyright 2003 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code 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 code 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 in the LICENSE file that
 * accompanied this code).
 *
 * 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 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/* @test
 * @bug 4720528
 *
 * @summary synopsis: (spec) ActivationSystem.activeGroup spec should be
 * relaxed (duplicate call to activeGroup with same instantiator and
 * incarnation should not throw ActivationException; it should succeed)
 * @author Ann Wollrath
 *
 * @library ../../../testlibrary
 * @build TestLibrary RMID
 * @build IdempotentActiveGroup
 * @run main/othervm/policy=security.policy/timeout=480 IdempotentActiveGroup
 */

import java.rmi.MarshalledObject;
import java.rmi.NoSuchObjectException;
import java.rmi.RemoteException;
import java.rmi.activation.ActivationDesc;
import java.rmi.activation.ActivationException;
import java.rmi.activation.ActivationGroup;
import java.rmi.activation.ActivationGroupDesc;
import java.rmi.activation.ActivationGroupID;
import java.rmi.activation.ActivationID;
import java.rmi.activation.ActivationInstantiator;
import java.rmi.activation.ActivationSystem;
import java.rmi.server.UnicastRemoteObject;

public class IdempotentActiveGroup {
    
    public static void main(String[] args) {

 	System.err.println("\nRegression test for bug 4720528\n");
	
	TestLibrary.suggestSecurityManager("java.lang.SecurityManager");
	RMID rmid = null;
	ActivationInstantiator inst1 = null;
	ActivationInstantiator inst2 = null;
	
	try {
	    RMID.removeLog();
	    rmid = RMID.createRMID();
	    rmid.start();

	    System.err.println("Create group descriptor");
	    ActivationGroupDesc groupDesc =
		new ActivationGroupDesc(null, null);
	    ActivationSystem system = ActivationGroup.getSystem();
	    System.err.println("Register group descriptor");
	    ActivationGroupID groupID = system.registerGroup(groupDesc);
	    inst1 = new FakeInstantiator();
	    inst2 = new FakeInstantiator();
	    
	    System.err.println("Invoke activeGroup with inst1");
	    system.activeGroup(groupID, inst1, 0);

	    try {
	    System.err.println("Invoke activeGroup with inst2");
		system.activeGroup(groupID, inst2, 0);
		throw new RuntimeException(
		    "TEST FAILED: activeGroup with unequal groups succeeded!");
	    } catch (ActivationException expected) {
		System.err.println("Caught expected ActivationException");
		System.err.println("Test 1 (of 2) passed");
	    }

	    try {
		System.err.println("Invoke activeGroup with inst1");
		system.activeGroup(groupID, inst1, 0);
		System.err.println("activeGroup call succeeded");
		System.err.println("Test 2 (of 2) passed");
	    } catch (ActivationException unexpected) {
		throw new RuntimeException(
		    "TEST FAILED: activeGroup with equal groups failed!",
		    unexpected);
	    }
	    
	} catch (Exception e) {
	    TestLibrary.bomb("test failed", e);
	} finally {
	    try {
		if (inst1 != null) {
		    UnicastRemoteObject.unexportObject(inst1, true);
		}
		if (inst2 != null) {
		    UnicastRemoteObject.unexportObject(inst2, true);
		}
	    } catch (NoSuchObjectException unexpected) {
		throw new AssertionError(unexpected);
	    }
	    ActivationLibrary.rmidCleanup(rmid);
	}
    }

    private static class FakeInstantiator
    	extends UnicastRemoteObject
    	implements ActivationInstantiator
    {
	FakeInstantiator() throws RemoteException {}

	public MarshalledObject newInstance(ActivationID id,
					    ActivationDesc desc)
	{
	    throw new AssertionError();
	}
    }
}