62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
/*
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* Copyright (C) 2021 THL A29 Limited, a Tencent company. 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 8272131
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* @requires vm.compiler2.enabled
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* @summary ArrayCopy with negative index before infinite loop
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* @run main/othervm -Xbatch -XX:-TieredCompilation
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* -XX:CompileCommand=compileonly,compiler.arraycopy.TestIllegalArrayCopyBeforeInfiniteLoop::foo
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* compiler.arraycopy.TestIllegalArrayCopyBeforeInfiniteLoop
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*/
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package compiler.arraycopy;
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import java.util.Arrays;
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public class TestIllegalArrayCopyBeforeInfiniteLoop {
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private static char src[] = new char[10];
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private static int count = 0;
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private static final int iter = 20_000;
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public static void main(String[] args) throws Exception {
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for (int i = 0; i < iter; ++i) {
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foo();
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}
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if (count != iter) {
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throw new RuntimeException("test failed");
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}
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}
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static void foo() {
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try {
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Arrays.copyOfRange(src, -1, 128);
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do {
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} while (true);
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} catch (ArrayIndexOutOfBoundsException ex) {
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count++;
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}
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}
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}
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