/*

 * Copyright 2001-2004 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

 * @test 4422738

 * @run main InvalidParameters

 * @summary Make sure PKIXParameters(Set) and setTrustAnchors() detects invalid

 *          parameters and throws correct exceptions

 */

import java.security.InvalidAlgorithmParameterException;

import java.security.PublicKey;

import java.security.cert.PKIXParameters;

import java.security.cert.TrustAnchor;

import java.util.Collections;

import java.util.Set;

public class InvalidParameters {

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

        TrustAnchor anchor = new TrustAnchor("cn=sean", new TestPublicKey(), null);

        PKIXParameters params = new PKIXParameters(Collections.singleton(anchor));

        // make sure empty Set of anchors throws InvAlgParamExc

        try {

            PKIXParameters p = new PKIXParameters(Collections.EMPTY_SET);

            throw new Exception("should have thrown InvalidAlgorithmParameterExc");

        } catch (InvalidAlgorithmParameterException iape) { }

        try {

            params.setTrustAnchors(Collections.EMPTY_SET);

            throw new Exception("should have thrown InvalidAlgorithmParameterExc");

        } catch (InvalidAlgorithmParameterException iape) { }

        // make sure null Set of anchors throws NullPointerException

        try {

            PKIXParameters p = new PKIXParameters((Set) null);

            throw new Exception("should have thrown NullPointerException");

        } catch (NullPointerException npe) { }

        try {

            params.setTrustAnchors((Set) null);

            throw new Exception("should have thrown NullPointerException");

        } catch (NullPointerException npe) { }

        // make sure Set of invalid objects throws ClassCastException

        try {

            PKIXParameters p = new PKIXParameters(Collections.singleton(new String()));

            throw new Exception("should have thrown ClassCastException");

        } catch (ClassCastException cce) { }

        try {

            params.setTrustAnchors(Collections.singleton(new String()));

            throw new Exception("should have thrown ClassCastException");

        } catch (ClassCastException cce) { }

    }

    static class TestPublicKey implements PublicKey {

        public String getAlgorithm() { return "Test"; }

        public String getFormat() { return null; }

        public byte[] getEncoded() { return null; }

    }

}