1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 /* 25 * @test 26 * @summary test that class files get VerifyError exceptions if they have 27 * withfield or defaultvalue instructions but not -XX:+EnableValhalla. 28 * @compile vrfTests.jcod 29 * @run main/othervm -XX:-EnableValhalla NewVTOpcodes 30 */ 31 public class NewVTOpcodes { 32 33 public static void runTest(String test_name, String message) throws Exception { 34 System.out.println("Testing: " + test_name); 35 try { 36 Class newClass = Class.forName(test_name); 37 } catch (java.lang.VerifyError e) { 38 if (!e.getMessage().contains(message)) { 39 throw new RuntimeException( "Wrong VerifyError: " + e.getMessage()); 40 } 41 } 42 } 43 44 public static void main(String[] args) throws Exception { 45 46 // Test withfield and defaultvalue opcodes cause VerifyError exceptions unless 47 // -XX:+EnableValhalla is specified. 48 runTest("HasWithfield", 49 "withfield instruction in class HasWithfield requires option -XX:+EnableValhalla"); 50 runTest("HasDefaultvalue", 51 "defaultvalue instruction in class HasDefaultvalue requires option -XX:+EnableValhalla"); 52 } 53 } 54