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test/script/basic/JDK-8044750.js@4112748288bb (annotated)

test/script/basic/JDK-8044750.js

Thu, 12 Oct 2017 19:52:15 +0800

author

aoqi

date

Thu, 12 Oct 2017 19:52:15 +0800

changeset 1205

4112748288bb

parent 962

ac62e33a99b0

child 1541

e4a553f79ebd

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2014, 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-8044750: megamorphic getter for scope objects does not call __noSuchProperty__ hook
aoqi@0	26	*
aoqi@0	27	* @test
aoqi@0	28	* @run
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	__noSuchProperty__ = function(name) {
aoqi@0	32	return 1;
aoqi@0	33	}
aoqi@0	34
aoqi@0	35	function func(obj) {
aoqi@0	36	with(obj) {
aoqi@0	37	// this "foo" getter site becomes megamorphic
aoqi@0	38	// due to different 'with' scope objects.
aoqi@0	39	foo;
aoqi@0	40	}
aoqi@0	41	}
aoqi@0	42
aoqi@0	43	for (var i = 0; i < 20; i++) {
aoqi@0	44	var obj = {};
aoqi@0	45	obj.foo = i;
aoqi@0	46	obj[i] = i;
aoqi@0	47	func(obj);
aoqi@0	48	}
aoqi@0	49
aoqi@0	50	// pass a 'with' scope object that does not have 'foo'.
aoqi@0	51	// callsite inside func should see __noSuchProperty__
aoqi@0	52	// hook on global scope object.
aoqi@0	53	func({});