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js/src/jit-test/tests/basic/testChangingObjectWithLength.js@6474c204b198 (annotated)

js/src/jit-test/tests/basic/testChangingObjectWithLength.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	function testChangingObjectWithLength()
michael@0	2	{
michael@0	3	var obj = { length: 10 };
michael@0	4	var dense = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
michael@0	5	var slow = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; slow.slow = 5;
michael@0	6
michael@0	7	/*
michael@0	8	* The elements of objs constitute a De Bruijn sequence repeated 4x to trace
michael@0	9	* and run native code for every object and transition.
michael@0	10	*/
michael@0	11	var objs = [obj, obj, obj, obj,
michael@0	12	obj, obj, obj, obj,
michael@0	13	dense, dense, dense, dense,
michael@0	14	obj, obj, obj, obj,
michael@0	15	slow, slow, slow, slow,
michael@0	16	dense, dense, dense, dense,
michael@0	17	dense, dense, dense, dense,
michael@0	18	slow, slow, slow, slow,
michael@0	19	slow, slow, slow, slow,
michael@0	20	obj, obj, obj, obj];
michael@0	21
michael@0	22	var counter = 0;
michael@0	23
michael@0	24	for (var i = 0, sz = objs.length; i < sz; i++)
michael@0	25	{
michael@0	26	var o = objs[i];
michael@0	27	for (var j = 0; j < o.length; j++)
michael@0	28	counter++;
michael@0	29	}
michael@0	30
michael@0	31	return counter;
michael@0	32	}
michael@0	33	assertEq(testChangingObjectWithLength(), 400);