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

js/src/jit-test/tests/for-of/string-iterator-generic.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	// String.prototype.iterator is generic.
michael@0	2
michael@0	3	load(libdir + "asserts.js");
michael@0	4	load(libdir + "iteration.js");
michael@0	5	load(libdir + "string.js");
michael@0	6
michael@0	7	function test(obj) {
michael@0	8	var it = String.prototype[std_iterator].call(obj);
michael@0	9	var s = String(obj);
michael@0	10	for (var i = 0, length = s.length; i < length;) {
michael@0	11	var r = s[i++];
michael@0	12	if (isHighSurrogate(r) && i < length && isLowSurrogate(s[i])) {
michael@0	13	r += s[i++];
michael@0	14	}
michael@0	15	assertIteratorNext(it, r);
michael@0	16	}
michael@0	17	assertIteratorDone(it, undefined);
michael@0	18	}
michael@0	19
michael@0	20	test({toString: () => ""});
michael@0	21	test({toString: () => "xyz"});
michael@0	22	test({toString: () => "\ud808\udf45"});
michael@0	23	test({valueOf: () => ""});
michael@0	24	test({valueOf: () => "xyz"});
michael@0	25	test({valueOf: () => "\ud808\udf45"});