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js/src/tests/ecma_5/Array/length-nonwritable-redefine-nop.js@6474c204b198 (annotated)

js/src/tests/ecma_5/Array/length-nonwritable-redefine-nop.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/*
michael@0	2	* Any copyright is dedicated to the Public Domain.
michael@0	3	* http://creativecommons.org/licenses/publicdomain/
michael@0	4	* Contributor:
michael@0	5	* Jeff Walden <jwalden+code@mit.edu>
michael@0	6	*/
michael@0	7
michael@0	8	//-----------------------------------------------------------------------------
michael@0	9	var BUGNUMBER = 858381;
michael@0	10	var summary = "No-op array length redefinition";
michael@0	11
michael@0	12	print(BUGNUMBER + ": " + summary);
michael@0	13
michael@0	14	/**************
michael@0	15	* BEGIN TEST *
michael@0	16	**************/
michael@0	17
michael@0	18	var arr;
michael@0	19
michael@0	20	// initializedLength == capacity == length
michael@0	21	// 6 == 6 == 6
michael@0	22	arr = Object.defineProperty([0, 1, 2, 3, 4, 5], "length", { writable: false });
michael@0	23	Object.defineProperty(arr, "length", { value: 6 });
michael@0	24	Object.defineProperty(arr, "length", { writable: false });
michael@0	25	Object.defineProperty(arr, "length", { configurable: false });
michael@0	26	Object.defineProperty(arr, "length", { writable: false, configurable: false });
michael@0	27	Object.defineProperty(arr, "length", { writable: false, value: 6 });
michael@0	28	Object.defineProperty(arr, "length", { configurable: false, value: 6 });
michael@0	29	Object.defineProperty(arr, "length", { writable: false, configurable: false, value: 6 });
michael@0	30
michael@0	31	// initializedLength == capacity < length
michael@0	32	// 6 == 6 < 8
michael@0	33	arr = Object.defineProperty([0, 1, 2, 3, 4, 5], "length", { value: 8, writable: false });
michael@0	34	Object.defineProperty(arr, "length", { value: 8 });
michael@0	35	Object.defineProperty(arr, "length", { writable: false });
michael@0	36	Object.defineProperty(arr, "length", { configurable: false });
michael@0	37	Object.defineProperty(arr, "length", { writable: false, configurable: false });
michael@0	38	Object.defineProperty(arr, "length", { writable: false, value: 8 });
michael@0	39	Object.defineProperty(arr, "length", { configurable: false, value: 8 });
michael@0	40	Object.defineProperty(arr, "length", { writable: false, configurable: false, value: 8 });
michael@0	41
michael@0	42	// initializedLength < capacity == length
michael@0	43	// 7 < 8 == 8
michael@0	44	arr = Object.defineProperty([0, 1, 2, 3, 4, 5, 6, /* hole */, ], "length",
michael@0	45	{ value: 8, writable: false });
michael@0	46	Object.defineProperty(arr, "length", { value: 8 });
michael@0	47	Object.defineProperty(arr, "length", { writable: false });
michael@0	48	Object.defineProperty(arr, "length", { configurable: false });
michael@0	49	Object.defineProperty(arr, "length", { writable: false, configurable: false });
michael@0	50	Object.defineProperty(arr, "length", { writable: false, value: 8 });
michael@0	51	Object.defineProperty(arr, "length", { configurable: false, value: 8 });
michael@0	52	Object.defineProperty(arr, "length", { writable: false, configurable: false, value: 8 });
michael@0	53
michael@0	54	// initializedLength < capacity < length
michael@0	55	// 3 < 6 < 8
michael@0	56	arr = Object.defineProperty([0, 1, 2], "length", { value: 8, writable: false });
michael@0	57	Object.defineProperty(arr, "length", { value: 8 });
michael@0	58	Object.defineProperty(arr, "length", { writable: false });
michael@0	59	Object.defineProperty(arr, "length", { configurable: false });
michael@0	60	Object.defineProperty(arr, "length", { writable: false, configurable: false });
michael@0	61	Object.defineProperty(arr, "length", { writable: false, value: 8 });
michael@0	62	Object.defineProperty(arr, "length", { configurable: false, value: 8 });
michael@0	63	Object.defineProperty(arr, "length", { writable: false, configurable: false, value: 8 });
michael@0	64
michael@0	65	/******************************************************************************/
michael@0	66
michael@0	67	if (typeof reportCompare === "function")
michael@0	68	reportCompare(true, true);
michael@0	69
michael@0	70	print("Tests complete");