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js/src/jit-test/tests/for-of/array-holes-3.js@6474c204b198

js/src/jit-test/tests/for-of/array-holes-3.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.

 // for-of consults Array.prototype when it encounters a hole.

 Array.prototype[1] = 'peek';

 var log = [];

 for (var x of [0, , 2, 3])

     log.push(x);

 assertEq(log[1], 'peek');

 assertEq(log.join(), "0,peek,2,3");