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test/script/basic/JDK-8013729.js@1df40fe54cd6 (annotated)

test/script/basic/JDK-8013729.js

Tue, 21 Mar 2017 13:41:57 -0700

author

asaha

date

Tue, 21 Mar 2017 13:41:57 -0700

changeset 2160

1df40fe54cd6

parent 962

ac62e33a99b0

permissions

-rw-r--r--

Merge

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.
attila@962	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.
attila@962	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).
attila@962	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.
attila@962	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-8013729: SwitchPoint invalidation not working over prototype chain
aoqi@0	26	*
aoqi@0	27	* @test
aoqi@0	28	* @run
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	var a = {x: 1};
aoqi@0	32	var b = Object.create(a, {y: {value: 2, configurable: true, writable: true}});
aoqi@0	33	var c = Object.create(b);
aoqi@0	34	var d = Object.create(c);
aoqi@0	35
aoqi@0	36	function p() {
aoqi@0	37	print(d.x);
aoqi@0	38	print(d.y);
aoqi@0	39	}
aoqi@0	40
aoqi@0	41	p();
aoqi@0	42
aoqi@0	43	// Delete, then redefine properties
aoqi@0	44	delete a.x;
aoqi@0	45	delete b.y;
aoqi@0	46	a.x = 10;
aoqi@0	47	b.y = 20;
aoqi@0	48
aoqi@0	49	p();