/*

 * Copyright (c) 2008, 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 6631361

 * @summary Test constructor when PD array is null or contains all null contexts

 */

import java.security.AccessControlContext;

import java.security.ProtectionDomain;

public class CheckCtor {

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

        // check that null PD array throws NPE

        try {

            new AccessControlContext(null);

            throw new Exception("Expected NullPointerException not thrown");

        } catch (Exception e) {

            if (!(e instanceof NullPointerException)) {

                throw new Exception("Expected NullPointerException not thrown");

            }

        }

        // check that empty PD array equals PD array of one or more nulls

        ProtectionDomain zero[] = {};

        ProtectionDomain null1[] = {null};

        ProtectionDomain null2[] = {null, null};

        AccessControlContext accZero = new AccessControlContext(zero);

        AccessControlContext accNull1 = new AccessControlContext(null1);

        AccessControlContext accNull2 = new AccessControlContext(null2);

        testEquals(accZero, accNull1);

        testEquals(accZero, accNull2);

        testEquals(accNull1, accNull2);

        testEquals(accNull1, accZero);

        testEquals(accNull2, accZero);

        testEquals(accNull2, accNull1);

    }

    private static void testEquals(AccessControlContext acc1,

        AccessControlContext acc2) throws Exception {

        if (!acc1.equals(acc2)) {

            throw new Exception("AccessControlContexts should be equal");

        }

    }

}