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

js/src/jit-test/tests/basic/testArgumentsPropLookup.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() {

     var s = "__proto__";

     assertEq(arguments[s], Object.prototype);   

 })();

 Object.defineProperty(Object.prototype, "foo", {

     get:function() {

         this.bar = 42;

         return 41

     }

 });

 (function() {

     var s = "foo";

     assertEq(arguments[s], 41);

     s = "bar";

     assertEq(arguments[s], 42);

     assertEq("bar" in Object.prototype, false);

 })();