/*

 * Copyright (c) 2019, 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.

 *

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 */

/*

 * @test

 * @bug 8223174

 * @summary Pattern.compile() can throw confusing NegativeArraySizeException

 * @requires os.maxMemory >= 5g

 * @run main/othervm NegativeArraySize -Xms5G -Xmx5G

 */

import java.util.regex.Pattern;

public class NegativeArraySize {

    public static void main(String[] args) {

        try {

            Pattern.compile("\\Q" + "a".repeat(42 + Integer.MAX_VALUE / 3));

            throw new AssertionError("expected to throw");

        } catch (OutOfMemoryError expected) {

        }

    }

}