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