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js/src/jit-test/tests/for-of/array-iterator-changing.js@7e26c7da4463 (annotated)

js/src/jit-test/tests/for-of/array-iterator-changing.js

Wed, 31 Dec 2014 06:55:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:55:50 +0100

changeset 2

7e26c7da4463

permissions

-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

michael@0	1	// Array iterators reflect changes to elements of the underlying array.
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, 2];
michael@0	7	var it = arr[std_iterator]();
michael@0	8	arr[0] = 1000;
michael@0	9	arr[2] = 2000;
michael@0	10	assertIteratorNext(it, 1000);
michael@0	11	assertIteratorNext(it, 1);
michael@0	12	assertIteratorNext(it, 2000);
michael@0	13	assertIteratorDone(it, undefined);
michael@0	14
michael@0	15	// test that .keys() and .entries() have the same behaviour
michael@0	16
michael@0	17	arr = [0, 1, 2];
michael@0	18	var ki = arr.keys();
michael@0	19	var ei = arr.entries();
michael@0	20	arr[0] = 1000;
michael@0	21	arr[2] = 2000;
michael@0	22	assertIteratorNext(ki, 0);
michael@0	23	assertIteratorNext(ei, [0, 1000]);
michael@0	24	assertIteratorNext(ki, 1);
michael@0	25	assertIteratorNext(ei, [1, 1]);
michael@0	26	assertIteratorNext(ki, 2);
michael@0	27	assertIteratorNext(ei, [2, 2000]);
michael@0	28	assertIteratorDone(ki, undefined);
michael@0	29	assertIteratorDone(ei, undefined);