js/src/jit-test/tests/for-of/array-holes-2.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 // for-of consults Object.prototype when it encounters a hole.
michael@0 2
michael@0 3 Object.prototype[1] = 'peek';
michael@0 4 var log = [];
michael@0 5 for (var x of [0, , 2, 3])
michael@0 6 log.push(x);
michael@0 7 assertEq(log[1], 'peek');
michael@0 8 assertEq(log.join(), "0,peek,2,3");

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