/* * Copyright (c) 2019, Oracle and/or its affiliates. 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 8224539 * @summary Test arraycopy optimizations with bad src/dst array offsets. * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:+AlwaysIncrementalInline * compiler.arraycopy.TestArrayCopyWithBadOffset */ package compiler.arraycopy; public class TestArrayCopyWithBadOffset { public static byte[] getSrc() { return new byte[5]; } // Test bad src offset public static void test1(byte[] dst) { byte[] src = getSrc(); try { System.arraycopy(src, Integer.MAX_VALUE-1, dst, 0, src.length); } catch (Exception e) { // Expected } } public static byte[] getDst() { return new byte[5]; } // Test bad dst offset public static void test2(byte[] src) { byte[] dst = getDst(); try { System.arraycopy(src, 0, dst, Integer.MAX_VALUE-1, dst.length); } catch (Exception e) { // Expected } } public static void main(String[] args) { byte[] array = new byte[5]; for (int i = 0; i < 10_000; ++i) { test1(array); test2(array); } } }