/*

 * Copyright (c) 2015, 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 8034820

 * @summary Check that adding Principal subclasses to Subject works

 */

import java.security.Principal;

import java.util.Collections;

import java.util.Set;

import javax.security.auth.Subject;

public class AddPrincipalSubclass {

    public static void main(String[] args) throws Exception {

        // create Subject with no principals and then add TestPrincipal

        Subject subject = new Subject();

        Set<Principal> principals = subject.getPrincipals(Principal.class);

        Principal principal = new TestPrincipal();

        if (!principals.add(principal)) {

            throw new Exception("add returned false instead of true");

        }

        if (!principals.contains(principal)) {

            throw new Exception("set does not contain principal");

        }

        // pre-populate Subject with TestPrincipal

        subject = new Subject(false,

                              Collections.singleton(principal),

                              Collections.emptySet(), Collections.emptySet());

        principals = subject.getPrincipals(Principal.class);

        if (!principals.contains(principal)) {

            throw new Exception("set does not contain principal");

        }

    }

    private static class TestPrincipal implements Principal {

        @Override

        public String getName() {

            return "TestPrincipal";

        }

    }

}