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.

michael@0 1 function testUndefinedPropertyAccess() {
michael@0 2 var x = [1,2,3];
michael@0 3 var y = {};
michael@0 4 var a = { foo: 1 };
michael@0 5 y.__proto__ = x;
michael@0 6 var z = [x, x, x, y, y, y, y, a, a, a];
michael@0 7 var s = "";
michael@0 8 for (var i = 0; i < z.length; ++i)
michael@0 9 s += z[i].foo;
michael@0 10 return s;
michael@0 11 }
michael@0 12 assertEq(testUndefinedPropertyAccess(), "undefinedundefinedundefinedundefinedundefinedundefinedundefined111");

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