75 lines
2.7 KiB
Java
75 lines
2.7 KiB
Java
/*
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* Copyright (c) 2023, Oracle and/or its affiliates. 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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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 8301491
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* @summary Check for correct return value when calling indexOfChar intrinsics with negative value.
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* @library /test/lib
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*
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* @run main/othervm -XX:CompileCommand=quiet
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* -XX:-TieredCompilation
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* -XX:CompileCommand=compileonly,compiler.intrinsics.string.TestStringIndexOfCharIntrinsics::testIndexOfChar*
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* -XX:CompileCommand=inline,java.lang.String*::indexOf*
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* -XX:PerBytecodeTrapLimit=20000
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* -XX:PerMethodTrapLimit=20000
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* compiler.intrinsics.string.TestStringIndexOfCharIntrinsics
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*/
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package compiler.intrinsics.string;
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import jdk.test.lib.Asserts;
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public class TestStringIndexOfCharIntrinsics {
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static byte byArr[] = new byte[500];
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public static void main(String[] args) {
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for (int j = 0; j < byArr.length; j++) {
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byArr[j] = (byte)j;
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}
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// Test value for aarch64
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byArr[24] = 0x7;
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byArr[23] = -0x80;
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// Warmup
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for (int i = 0; i < 10000; i++) {
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testIndexOfCharArg(i);
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testIndexOfCharConst();
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}
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Asserts.assertEquals(testIndexOfCharConst() , -1, "must be -1 (character not found)");
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Asserts.assertEquals(testIndexOfCharArg(-2147483641) , -1, "must be -1 (character not found)");
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}
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static int testIndexOfCharConst() {
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String s = new String(byArr);
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return s.indexOf(-2147483641);
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}
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static int testIndexOfCharArg(int ch) {
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String s = new String(byArr);
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return s.indexOf(ch);
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}
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}
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