1 /*
   2  * Copyright (c) 2019, 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  * @bug 8227373
  27  * @summary Test that verifier allows monitor operations on inline types.
  28  * @compile -XDemitQtypes -XDenableValueTypes -XDallowWithFieldOperator VTMonitor.java
  29  * @run main/othervm -Xverify:remote VTMonitor
  30  */
  31 
  32 public inline final class VTMonitor {
  33     final int x;
  34     final int y;
  35 
  36     private VTMonitor() {
  37         x = 0;
  38         y = 0;
  39     }
  40 
  41     public static VTMonitor createVTMonitor(int x, int y) {
  42         VTMonitor p = VTMonitor.default;
  43         p = __WithField(p.x, x);
  44         p = __WithField(p.y, y);
  45         return p;
  46     }
  47 
  48     public static void main(String[] args) {
  49         Object a = createVTMonitor(3, 4);
  50         try {
  51             synchronized(a) {
  52                 throw new RuntimeException("Synchronization on inline type should fail");
  53             }
  54         } catch (java.lang.IllegalMonitorStateException e) {
  55             // Expected
  56         }
  57     }
  58 }