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js/src/jit-test/tests/for-of/array-holes-4.js@129ffea94266

js/src/jit-test/tests/for-of/array-holes-4.js

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 // for-of on an Array consults the prototype chain when it encounters a hole.

 load(libdir + "iteration.js");

 var m = {1: 'peek'};

 var a = [0, , 2, 3];

 a.__proto__ = m;

 var log = [];

 Object.prototype[std_iterator] = Array.prototype[std_iterator];

 for (var x of a)

     log.push(x);

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

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