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js/src/jit-test/tests/for-of/array-iterator-growing-1.js@6474c204b198 (annotated)

js/src/jit-test/tests/for-of/array-iterator-growing-1.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	// If an array with an active iterator is lengthened, the iterator visits the new elements.
michael@0	2
michael@0	3	load(libdir + "asserts.js");
michael@0	4	load(libdir + "iteration.js");
michael@0	5
michael@0	6	var arr = [0, 1];
michael@0	7	var it = arr[std_iterator]();
michael@0	8	var ki = arr.keys();
michael@0	9	var ei = arr.entries();
michael@0	10	assertIteratorNext(it, 0);
michael@0	11	assertIteratorNext(ki, 0);
michael@0	12	assertIteratorNext(ei, [0, 0]);
michael@0	13	assertIteratorNext(it, 1);
michael@0	14	assertIteratorNext(ki, 1);
michael@0	15	assertIteratorNext(ei, [1, 1]);
michael@0	16	arr[2] = 2;
michael@0	17	arr.length = 4;
michael@0	18	assertIteratorNext(it, 2);
michael@0	19	assertIteratorNext(ki, 2);
michael@0	20	assertIteratorNext(ei, [2, 2]);
michael@0	21	assertIteratorNext(it, undefined);
michael@0	22	assertIteratorNext(ki, 3);
michael@0	23	assertIteratorNext(ei, [3, undefined]);
michael@0	24	assertIteratorDone(it, undefined);
michael@0	25	assertIteratorDone(ki, undefined);
michael@0	26	assertIteratorDone(ei, undefined);