/*

 * Copyright (c) 2016, 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 8149330

 * @summary Capacity should not get close to Integer.MAX_VALUE unless

 *          necessary

 * @run main/othervm -Xmx5G HugeCapacity

 * @ignore This test has huge memory requirements

 */

public class HugeCapacity {

    private static int failures = 0;

    public static void main(String[] args) {

        testLatin1();

        testUtf16();

        if (failures > 0) {

            throw new RuntimeException(failures + " tests failed");

        }

    }

    private static void testLatin1() {

        try {

            StringBuilder sb = new StringBuilder();

            sb.ensureCapacity(Integer.MAX_VALUE / 2);

            sb.ensureCapacity(Integer.MAX_VALUE / 2 + 1);

        } catch (OutOfMemoryError oom) {

            oom.printStackTrace();

            failures++;

        }

    }

    private static void testUtf16() {

        try {

            StringBuilder sb = new StringBuilder();

            sb.append('\u042b');

            sb.ensureCapacity(Integer.MAX_VALUE / 4);

            sb.ensureCapacity(Integer.MAX_VALUE / 4 + 1);

        } catch (OutOfMemoryError oom) {

            oom.printStackTrace();

            failures++;

        }

    }

}