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test/script/basic/NASHORN-418.js@b1a7da25b547 (annotated)

test/script/basic/NASHORN-418.js

Wed, 27 Apr 2016 01:36:41 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:36:41 +0800

changeset 0

b1a7da25b547

child 952

6d5471a497fb

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/nashorn/
changeset: 1034:4b9cc65dd24d
tag: jdk8u25-b17

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	* NASHORN-418 : When a data descriptor property is changed to an accessor descriptor property, new configurable, enumerable flags are not set
aoqi@0	26	*
aoqi@0	27	* @test
aoqi@0	28	* @run
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	var obj = { foo: 33 };
aoqi@0	32
aoqi@0	33	var oldDesc = Object.getOwnPropertyDescriptor(obj, "foo");
aoqi@0	34	if (! oldDesc.enumerable) {
aoqi@0	35	fail("#1 'foo' is not enumerable");
aoqi@0	36	}
aoqi@0	37
aoqi@0	38	if (! oldDesc.configurable) {
aoqi@0	39	fail("#2 'foo' is not configurable");
aoqi@0	40	}
aoqi@0	41
aoqi@0	42	Object.defineProperty(obj, "foo", {
aoqi@0	43	enumerable: false, configurable: false,
aoqi@0	44	get: function() { return 'hello' } });
aoqi@0	45
aoqi@0	46	var newDesc = Object.getOwnPropertyDescriptor(obj, "foo");
aoqi@0	47	if (newDesc.enumerable) {
aoqi@0	48	fail("#3 'foo' is enumerable");
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	if (newDesc.configurable) {
aoqi@0	52	fail("#4 'foo' is configurable");
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	var obj2 = {};
aoqi@0	56
aoqi@0	57	Object.defineProperty(obj2, "foo", {
aoqi@0	58	value : 34, writable: false, configurable: true });
aoqi@0	59
aoqi@0	60	var setterCalled = true;
aoqi@0	61	// descriptor type change, writable is not inherited
aoqi@0	62	Object.defineProperty(obj2, "foo", {
aoqi@0	63	get: undefined, set: function(x) { setterCalled = true } });
aoqi@0	64
aoqi@0	65	// can still attempt to write
aoqi@0	66	obj2.foo = 44;
aoqi@0	67	if (! setterCalled) {
aoqi@0	68	fail("#5 obj2.foo setter not called");
aoqi@0	69	}
aoqi@0	70
aoqi@0	71	var obj3 = {};
aoqi@0	72
aoqi@0	73	Object.defineProperty(obj3, "foo", {
aoqi@0	74	get: undefined, set: function(x) { }, configurable: true });
aoqi@0	75
aoqi@0	76	Object.defineProperty(obj3, "foo", { value: 33 });
aoqi@0	77
aoqi@0	78	var desc = Object.getOwnPropertyDescriptor(obj3, "foo");
aoqi@0	79	if (desc.writable) {
aoqi@0	80	fail("#6 obj3.foo is writable");
aoqi@0	81	}