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js/src/jit-test/tests/basic/testUndefinedPropertyAccess.js@ac0c01689b40

js/src/jit-test/tests/basic/testUndefinedPropertyAccess.js

Thu, 15 Jan 2015 15:59:08 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:59:08 +0100

branch

TOR_BUG_9701

changeset 10

ac0c01689b40

permissions

-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 function testUndefinedPropertyAccess() {

     var x = [1,2,3];

     var y = {};

     var a = { foo: 1 };

     y.__proto__ = x;

     var z = [x, x, x, y, y, y, y, a, a, a];

     var s = "";

     for (var i = 0; i < z.length; ++i)

         s += z[i].foo;

     return s;

 }

 assertEq(testUndefinedPropertyAccess(), "undefinedundefinedundefinedundefinedundefinedundefinedundefined111");