/* * Copyright (c) 2023, 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 8300079 * @summary Verify that String.copyValueOf properly handles null input with intrinsified helper methods. * @run main/othervm -XX:-TieredCompilation -Xcomp * -XX:CompileCommand=compileonly,compiler.intrinsics.string.TestCopyValueOf::test * -XX:CompileCommand=dontinline,java.lang.String::rangeCheck * compiler.intrinsics.string.TestCopyValueOf */ package compiler.intrinsics.string; public class TestCopyValueOf { public static boolean test() { try { String.copyValueOf(null, 42, 43); } catch (NullPointerException e) { return true; } return false; } public static void main(String[] args) { // Warmup char data[] = {42}; String.copyValueOf(data, 0, 1); if (!test()) { throw new RuntimeException("Unexpected result"); } } }