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test/script/basic/objectprops.js@6d5471a497fb (annotated)

test/script/basic/objectprops.js

Thu, 31 Aug 2017 15:30:47 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:30:47 +0800

changeset 952

6d5471a497fb

parent 7

5a1b0714df0e

parent 0

b1a7da25b547

child 1205

4112748288bb

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.
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	* Check Object.defineProperty, Object.defineProperties and Object.create.
aoqi@0	26	* FIXME: yet to checks for property attribute create/modifications.
aoqi@0	27	*
aoqi@0	28	* @test
aoqi@0	29	* @run
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	// create an object
aoqi@0	33	var obj = {};
aoqi@0	34	// data property
aoqi@0	35	Object.defineProperty(obj, "foo", { value: "hello" });
aoqi@0	36	// accessor property
aoqi@0	37	Object.defineProperty(obj, "bar", { get: function() { return "bar" } });
aoqi@0	38
aoqi@0	39	print("obj.foo = " + obj.foo);
aoqi@0	40	print("obj.bar = " + obj.bar);
aoqi@0	41
aoqi@0	42	// define multiple properties at one go.
aoqi@0	43	Object.defineProperties(obj,
aoqi@0	44	{
aoqi@0	45	xyz: { value: 44 },
aoqi@0	46	abc: { get: function() { print("get abc"); return "abc"; } }
aoqi@0	47	}
aoqi@0	48	);
aoqi@0	49
aoqi@0	50	print("obj.xyz = " + obj.xyz);
aoqi@0	51	print("obj.abc = " + obj.abc);
aoqi@0	52
aoqi@0	53	function MyConstructor() {}
aoqi@0	54	var obj2 = Object.create(MyConstructor.prototype);
aoqi@0	55	print("obj2 in MyConstructor instance? " + (obj2 instanceof MyConstructor));
aoqi@0	56
aoqi@0	57	var obj3 = Object.create(Object.prototype,
aoqi@0	58	{
aoqi@0	59	xyz: { value: 44 }
aoqi@0	60	}
aoqi@0	61	);
aoqi@0	62
aoqi@0	63	print("obj3 is an Object? " + (obj3 instanceof Object));
aoqi@0	64	print(obj3.xyz);