65 lines
2.1 KiB
Java
65 lines
2.1 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2020, Arm Limited. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8237524
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* @summary String.compareTo() may return incorrect result in this case
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*
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* @modules java.base/java.lang:open
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*
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* @run main/othervm -XX:+CompactStrings compiler.intrinsics.Test8237524
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*/
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package compiler.intrinsics;
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import java.lang.reflect.Constructor;
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public class Test8237524 {
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private static int stringCompareTo(String s1, String s2) {
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return s1.compareTo(s2);
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}
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public static void main(String[] args) throws Exception {
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Constructor<String> c = String.class.getDeclaredConstructor(byte[].class, byte.class);
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c.setAccessible(true);
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byte[] bytes = new byte[] {
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'Y', 'm', '_', 'l', 'V', 'n', 'W', 'S', 'w', 'm', 'W', 'S'
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};
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String s1 = c.newInstance(bytes, (byte) 0); // a Latin string
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String s2 = c.newInstance(bytes, (byte) 1); // a Chinese string
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for (int i = 0; i < 50000; i++) {
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if (stringCompareTo(s1, s2) >= 0) {
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System.out.println("FAIL. s1 should be less than s2 according to Java API Spec");
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System.exit(1);
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}
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}
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}
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}
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