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js/src/tests/ecma_5/Array/redefine-length-frozen-dictionarymode-array.js@44a2da4a2ab2 (annotated)

js/src/tests/ecma_5/Array/redefine-length-frozen-dictionarymode-array.js

Fri, 16 Jan 2015 04:50:19 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Fri, 16 Jan 2015 04:50:19 +0100

branch

TOR_BUG_9701

changeset 13

44a2da4a2ab2

permissions

-rw-r--r--

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

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 = 880591;
michael@0	10	var summary =
michael@0	11	"Assertion redefining length property of a frozen dictionary-mode array";
michael@0	12
michael@0	13	print(BUGNUMBER + ": " + summary);
michael@0	14
michael@0	15	/**************
michael@0	16	* BEGIN TEST *
michael@0	17	**************/
michael@0	18
michael@0	19	function convertToDictionaryMode(arr)
michael@0	20	{
michael@0	21	Object.defineProperty(arr, 0, { configurable: true });
michael@0	22	Object.defineProperty(arr, 1, { configurable: true });
michael@0	23	delete arr[0];
michael@0	24	}
michael@0	25
michael@0	26	var arr = [];
michael@0	27	convertToDictionaryMode(arr);
michael@0	28	Object.freeze(arr);
michael@0	29	Object.defineProperty(arr, "length", {});
michael@0	30
michael@0	31	/******************************************************************************/
michael@0	32
michael@0	33	if (typeof reportCompare === "function")
michael@0	34	reportCompare(true, true);
michael@0	35
michael@0	36	print("Tests complete");