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js/src/jit-test/tests/for-of/array-iterator-shrinking.js@a63d609f5ebe (annotated)

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

Thu, 15 Jan 2015 15:55:04 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:55:04 +0100

branch

TOR_BUG_9701

changeset 9

a63d609f5ebe

permissions

-rw-r--r--

Back out 97036ab72558 which inappropriately compared turds to third parties.

michael@0	1	// If an array is truncated to the left of an iterator it, it.next() returns { done: true }.
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	var ki = arr.keys();
michael@0	9	var ei = arr.entries();
michael@0	10
michael@0	11	assertIteratorNext(it, 0);
michael@0	12	assertIteratorNext(it, 1);
michael@0	13	assertIteratorNext(ki, 0);
michael@0	14	assertIteratorNext(ki, 1);
michael@0	15	assertIteratorNext(ei, [0, 0]);
michael@0	16	assertIteratorNext(ei, [1, 1]);
michael@0	17	arr.length = 1;
michael@0	18	assertIteratorDone(it, undefined);
michael@0	19	assertIteratorDone(ki, undefined);
michael@0	20	assertIteratorDone(ei, undefined);