js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyDescriptor9.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.

     1 load(libdir + "asserts.js");
     3 /*
     4  * Throw a TypeError if the trap returns a non-configurable descriptor for a
     5  * non-existent property
     6  */
     7 assertThrowsInstanceOf(function () {
     8     Object.getOwnPropertyDescriptor(new Proxy({}, {
     9         getOwnPropertyDescriptor: function (target, name) {
    10             return {
    11                 configurable: false
    12             };
    13         }
    14     }), 'foo');
    15 }, TypeError);

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