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test/script/basic/JDK-8023368_2.js@6e9c4e34bc61 (annotated)

test/script/basic/JDK-8023368_2.js

Wed, 18 Jun 2014 12:35:42 -0700

author

katleman

date

Wed, 18 Jun 2014 12:35:42 -0700

changeset 863

6e9c4e34bc61

parent 0

b1a7da25b547

permissions

-rw-r--r--

Added tag jdk8u20-b19 for changeset b047df215de4

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-8023368: Instance __proto__ property should exist and be writable.
aoqi@0	26	*
aoqi@0	27	* @test
aoqi@0	28	* @run
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	// check Object.setPrototypeOf extension rather than using __proto__
aoqi@0	32
aoqi@0	33	// function to force same callsites
aoqi@0	34	function check(obj) {
aoqi@0	35	print(obj.func());
aoqi@0	36	print(obj.x);
aoqi@0	37	print(obj.toString());
aoqi@0	38	}
aoqi@0	39
aoqi@0	40	function Func() {
aoqi@0	41	}
aoqi@0	42
aoqi@0	43	Func.prototype.func = function() {
aoqi@0	44	return "Func.prototype.func";
aoqi@0	45	}
aoqi@0	46
aoqi@0	47	Func.prototype.x = "hello";
aoqi@0	48
aoqi@0	49	var obj = new Func();
aoqi@0	50	var obj2 = Object.create(obj);
aoqi@0	51
aoqi@0	52	// check direct and indirect __proto__ change
aoqi@0	53	check(obj);
aoqi@0	54	check(obj2);
aoqi@0	55	Object.setPrototypeOf(obj, {
aoqi@0	56	func: function() {
aoqi@0	57	return "obj.__proto__.func @ " + __LINE__;
aoqi@0	58	},
aoqi@0	59	x: 344
aoqi@0	60	});
aoqi@0	61
aoqi@0	62	check(obj);
aoqi@0	63	check(obj2);
aoqi@0	64
aoqi@0	65	// check indirect (1 and 2 levels) __proto__ function change
aoqi@0	66	Object.setPrototypeOf(Object.getPrototypeOf(obj), {
aoqi@0	67	toString: function() {
aoqi@0	68	return "new object.toString";
aoqi@0	69	}
aoqi@0	70	});
aoqi@0	71
aoqi@0	72	check(obj);
aoqi@0	73	check(obj2);