1 /*
   2  * Copyright (c) 2010, 2013, 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  * JDK-8026367: Add a sync keyword to mozilla_compat
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 if (typeof sync === "undefined") {
  32     load("nashorn:mozilla_compat.js");
  33 }
  34 
  35 var obj = {
  36     count: 0,
  37     // Sync called with one argument will synchronize on this-object of invocation
  38     inc: sync(function(d) {
  39         this.count += d;
  40         Assert.assertTrue(java.lang.Thread.holdsLock(this));
  41     }),
  42     // Pass explicit object to synchronize on as second argument
  43     dec: sync(function(d) {
  44         this.count -= d;
  45         Assert.assertTrue(java.lang.Thread.holdsLock(obj));
  46     }, obj)
  47 };
  48 
  49 var t1 = new java.lang.Thread(function() {
  50     for (var i = 0; i < 100000; i++) obj.inc(1);
  51 });
  52 var t2 = new java.lang.Thread(function() {
  53     for (var i = 0; i < 100000; i++) obj.dec(1);
  54 });
  55 
  56 t1.start();
  57 t2.start();
  58 t1.join();
  59 t2.join();
  60 
  61 if (obj.count !== 0) {
  62     throw new Error("Expected count == 0, got " + obj.count);
  63 }