/* * Copyright (c) 2024, 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 8323682 * @summary Test that the appropriate guards are generated for the copyOfRange * intrinsic, even if the result of the array copy is not used. * * @run main/othervm -XX:-TieredCompilation * -XX:CompileCommand=compileonly,compiler.arraycopy.TestArrayCopyOfRangeGuards::test * -Xbatch * compiler.arraycopy.TestArrayCopyOfRangeGuards */ package compiler.arraycopy; import java.util.Arrays; public class TestArrayCopyOfRangeGuards { static int counter = 0; public static void main(String[] args) { Object[] array = new Object[10]; for (int i = 0; i < 50_000; i++) { test(array); } if (counter != 50_000) { throw new RuntimeException("Test failed"); } } static void test(Object[] array) { try { Arrays.copyOfRange(array, 15, 20, Object[].class); } catch (ArrayIndexOutOfBoundsException e) { // Expected counter++; } } }