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test/script/basic/NASHORN-418.js@d5a9705a27b1 (annotated)

test/script/basic/NASHORN-418.js

Wed, 03 Jun 2015 18:08:57 +0200

author

hannesw

date

Wed, 03 Jun 2015 18:08:57 +0200

changeset 1396

d5a9705a27b1

parent 962

ac62e33a99b0

child 1205

4112748288bb

permissions

-rw-r--r--

8066237: Fuzzing bug: Parser error on optimistic recompilation
Reviewed-by: lagergren, attila

jlaskey@3	1	/*
jlaskey@7	2	* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
jlaskey@3	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962	4	*
jlaskey@3	5	* This code is free software; you can redistribute it and/or modify it
jlaskey@3	6	* under the terms of the GNU General Public License version 2 only, as
jlaskey@3	7	* published by the Free Software Foundation.
attila@962	8	*
jlaskey@3	9	* This code is distributed in the hope that it will be useful, but WITHOUT
jlaskey@3	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jlaskey@3	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jlaskey@3	12	* version 2 for more details (a copy is included in the LICENSE file that
jlaskey@3	13	* accompanied this code).
attila@962	14	*
jlaskey@3	15	* You should have received a copy of the GNU General Public License version
jlaskey@3	16	* 2 along with this work; if not, write to the Free Software Foundation,
jlaskey@3	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962	18	*
jlaskey@3	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jlaskey@3	20	* or visit www.oracle.com if you need additional information or have any
jlaskey@3	21	* questions.
jlaskey@3	22	*/
jlaskey@3	23
jlaskey@3	24	/**
jlaskey@3	25	* NASHORN-418 : When a data descriptor property is changed to an accessor descriptor property, new configurable, enumerable flags are not set
jlaskey@3	26	*
jlaskey@3	27	* @test
jlaskey@3	28	* @run
jlaskey@3	29	*/
jlaskey@3	30
jlaskey@3	31	var obj = { foo: 33 };
jlaskey@3	32
jlaskey@3	33	var oldDesc = Object.getOwnPropertyDescriptor(obj, "foo");
jlaskey@3	34	if (! oldDesc.enumerable) {
jlaskey@3	35	fail("#1 'foo' is not enumerable");
jlaskey@3	36	}
jlaskey@3	37
jlaskey@3	38	if (! oldDesc.configurable) {
jlaskey@3	39	fail("#2 'foo' is not configurable");
jlaskey@3	40	}
jlaskey@3	41
jlaskey@3	42	Object.defineProperty(obj, "foo", {
jlaskey@3	43	enumerable: false, configurable: false,
jlaskey@3	44	get: function() { return 'hello' } });
jlaskey@3	45
jlaskey@3	46	var newDesc = Object.getOwnPropertyDescriptor(obj, "foo");
jlaskey@3	47	if (newDesc.enumerable) {
jlaskey@3	48	fail("#3 'foo' is enumerable");
jlaskey@3	49	}
jlaskey@3	50
jlaskey@3	51	if (newDesc.configurable) {
jlaskey@3	52	fail("#4 'foo' is configurable");
jlaskey@3	53	}
jlaskey@3	54
jlaskey@3	55	var obj2 = {};
jlaskey@3	56
jlaskey@3	57	Object.defineProperty(obj2, "foo", {
jlaskey@3	58	value : 34, writable: false, configurable: true });
jlaskey@3	59
jlaskey@3	60	var setterCalled = true;
jlaskey@3	61	// descriptor type change, writable is not inherited
jlaskey@3	62	Object.defineProperty(obj2, "foo", {
jlaskey@3	63	get: undefined, set: function(x) { setterCalled = true } });
jlaskey@3	64
jlaskey@3	65	// can still attempt to write
jlaskey@3	66	obj2.foo = 44;
jlaskey@3	67	if (! setterCalled) {
jlaskey@3	68	fail("#5 obj2.foo setter not called");
jlaskey@3	69	}
jlaskey@3	70
jlaskey@3	71	var obj3 = {};
jlaskey@3	72
jlaskey@3	73	Object.defineProperty(obj3, "foo", {
jlaskey@3	74	get: undefined, set: function(x) { }, configurable: true });
jlaskey@3	75
jlaskey@3	76	Object.defineProperty(obj3, "foo", { value: 33 });
jlaskey@3	77
jlaskey@3	78	var desc = Object.getOwnPropertyDescriptor(obj3, "foo");
jlaskey@3	79	if (desc.writable) {
jlaskey@3	80	fail("#6 obj3.foo is writable");
jlaskey@3	81	}