/*

 * 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

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 */

/*

 * @test

 * @bug 7019834

 * @summary test default implementation of Principal.implies

 */

import java.security.Principal;

import java.util.Collections;

import java.util.HashSet;

import java.util.Set;

import javax.security.auth.Subject;

import javax.security.auth.kerberos.KerberosPrincipal;

import javax.security.auth.x500.X500Principal;

public class Implies {

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

        X500Principal duke = new X500Principal("CN=Duke");

        // should not throw NullPointerException

        testImplies(duke, (Subject)null, false);

        Set<Principal> principals = new HashSet<>();

        principals.add(duke);

        testImplies(duke, principals, true);

        X500Principal tux = new X500Principal("CN=Tux");

        principals.add(tux);

        testImplies(duke, principals, true);

        principals.add(new KerberosPrincipal("duke@java.com"));

        testImplies(duke, principals, true);

        principals.clear();

        principals.add(tux);

        testImplies(duke, principals, false);

        System.out.println("test passed");

    }

    private static void testImplies(Principal principal,

                                    Set<? extends Principal> principals,

                                    boolean result)

        throws SecurityException

    {

        Subject subject = new Subject(true, principals, Collections.emptySet(),

                                      Collections.emptySet());

        testImplies(principal, subject, result);

    }

    private static void testImplies(Principal principal,

                                    Subject subject, boolean result)

        throws SecurityException

    {

        if (principal.implies(subject) != result) {

            throw new SecurityException("test failed");

        }

    }

}