/*

 * Copyright (c) 2010, 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 6970930

 * @summary verify that compare() throws NPE instead of IAE when an argument is null.

 */

import java.text.*;

public class Bug6970930 {

    private static boolean err = false;

    public static void main(String[] args) {

        // Check if compare() throws NPE.

        test1(null, null);

        test1("\"foo\"", null);

        test1(null, "\"bar\"");

        if (err) {

            throw new RuntimeException("Failed.");

        } else {

            System.out.println("Passed.");

        }

    }

    private static void test1(String s1, String s2) {

        RuleBasedCollator col = null;

        try {

            col = new RuleBasedCollator("< a < b");

        }

        catch (ParseException e) {

            err = true;

            System.err.println(e);

        }

        try {

            col.compare("foo", "bar"); // This line is necessary to reproduce the bug.

            col.compare(s1, s2);

            err = true;

            System.err.println("No exception was thrown for compare(" +

                               s1 + ", " +  s2 + ").");

        }

        catch (NullPointerException e) {

            System.out.println("NPE was thrown as expected for compare(" +

                               s1 + ", " + s2 + ").");

        }

        catch (Exception e) {

            err = true;

            System.err.println("Unexpected exception was thrown for compare(" +

                               s1 + ", " + s2 + "): " + e);

        }

    }

}