js/src/jit-test/tests/for-of/arguments-1.js

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 // for-of can iterate arguments objects.
michael@0 2
michael@0 3 load(libdir + "iteration.js");
michael@0 4
michael@0 5 // Arguments objects do not have a .@@iterator() method by default.
michael@0 6 // Install one on Object.prototype.
michael@0 7 Object.prototype[std_iterator] = Array.prototype[std_iterator];
michael@0 8
michael@0 9 var s;
michael@0 10 function test() {
michael@0 11 for (var v of arguments)
michael@0 12 s += v;
michael@0 13 }
michael@0 14
michael@0 15 s = '';
michael@0 16 test();
michael@0 17 assertEq(s, '');
michael@0 18
michael@0 19 s = '';
michael@0 20 test('x', 'y');
michael@0 21 assertEq(s, 'xy');

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