/*

 * Copyright (c) 2000, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4291610

 * @summary BasicPermission.newPermissionCollection collection does not

 *      enforce homogeneity

 */

import java.security.BasicPermission;

public class Homogeneity {

    public static void main(String[] args) {

        java.lang.RuntimePermission rp = new java.lang.RuntimePermission

                                        ("*");

        java.lang.RuntimePermission rp2 = new java.lang.RuntimePermission

                                        ("exitVM");

        java.net.NetPermission np = new java.net.NetPermission

                                        ("setDefaultAuthenticator");

        // should be able to add identical BasicPermission subclasses to the

        // same collection

        java.security.PermissionCollection perms = rp.newPermissionCollection();

        try {

            perms.add(rp);

            perms.add(rp2);

        } catch (IllegalArgumentException iae) {

            throw new SecurityException("GOOD ADD TEST FAILED");

        }

        // make sure you can't add different BasicPermission subclasses

        // to the same collection

        try {

            // this should fail

            perms.add(np);

            throw new SecurityException("BAD ADD TEST FAILED");

        } catch (IllegalArgumentException iae) {

            // good

        }

        // make sure a BasicPermissionCollection doesn't imply

        // random BasicPermission subclasses

        if (perms.implies(np)) {

            throw new SecurityException("IMPLIES TEST FAILED");

        }

    }

}