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/*
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2019, Arm Limited. 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 8215792
* @summary Fix a bug in AArch64 string intrinsics
*
* @run main/othervm compiler.intrinsics.Test8215792
* @run main/othervm -XX:-CompactStrings compiler.intrinsics.Test8215792
*/
package compiler.intrinsics;
public class Test8215792 {
private static final int ITERATIONS = 10000;
private static final String pattern = "01234567890123456789";
public static void main(String[] args) {
// Repeat many times to trigger compilation
for (int iter = 0; iter < ITERATIONS; iter++) {
StringBuilder str1 = new StringBuilder("ABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890123456789");
StringBuilder str2 = new StringBuilder("\u4f60\u598dCDEFGHIJKLMNOPQRSTUVWXYZ01234567890123456789");
for (int i = 0; i < 20; i++) {
// Remove one character from the tail
str1.setLength(str1.length() - 1);
str2.setLength(str2.length() - 1);
// Pattern string should not be found after characters removed from the tail
if (str1.indexOf(pattern) != -1 || str2.indexOf(pattern) != -1) {
System.out.println("FAILED");
System.exit(1);
}
}
}
System.out.println("PASSED");
}
}
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