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test/script/basic/JDK-8011893.js@d26e069353c0 (annotated)

test/script/basic/JDK-8011893.js

Wed, 12 Jun 2013 16:41:38 +0200

author

hannesw

date

Wed, 12 Jun 2013 16:41:38 +0200

changeset 343

d26e069353c0

parent 0

b1a7da25b547

child 962

ac62e33a99b0

permissions

-rw-r--r--

8011893: JS Object builtin prototype is not thread safe
Reviewed-by: sundar, jlaskey

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/**
aoqi@0	25	* JDK-8011893: JS Object builtin prototype is not thread safe
aoqi@0	26	*
aoqi@0	27	* @test
aoqi@0	28	* @run
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	var a = {};
aoqi@0	32	var thread = new java.lang.Thread(new java.lang.Runnable() {
aoqi@0	33	run: function() {
aoqi@0	34	print("Thread starts");
aoqi@0	35	for (var i = 0; i < 1000000; i++) {
aoqi@0	36	// Unsubscribe to builtin, subscribe to new proto
aoqi@0	37	var b = Object.create(a);
aoqi@0	38	}
aoqi@0	39	print("Thread done");
aoqi@0	40	}
aoqi@0	41	});
aoqi@0	42
aoqi@0	43	print("Main starts");
aoqi@0	44	thread.start();
aoqi@0	45	for (var j = 0; j < 1000000; j++) {
aoqi@0	46	// Subscribe to builtin prototype.
aoqi@0	47	a = {};
aoqi@0	48	}
aoqi@0	49
aoqi@0	50	thread.join();
aoqi@0	51	print("Main done");