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 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2019, BELLSOFT. 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 8215792
 * @requires os.arch=="aarch64"
 * @summary check that no data is read before requested start index
 *
 * @run main/othervm compiler.intrinsics.string.indexof.TestIndexOfBefore
 */

package compiler.intrinsics.string.indexof;

public class TestIndexOfBefore {
    private static final int ITERATIONS = 10000;
    private static final String PATTERN = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    private static final int EXPECTED_INDEX = 46; // index of 2nd substring in source

    public static void main(String[] args) {

        // Repeat many times to trigger compilation
        for (int iter = 0; iter < ITERATIONS; iter++) {
            StringBuilder str1 = new StringBuilder("ABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890123456789");
            for (int startIndex = 1; startIndex < 20; startIndex++) {
                int index = str1.indexOf(PATTERN, startIndex);
                if (index != EXPECTED_INDEX) {
                    System.out.println("FAILED. Expected index " + EXPECTED_INDEX + " but got index " + index + " using startIndex " + startIndex);
                    System.exit(1);
                }
            }
        }
        System.out.println("PASSED");
    }
}