tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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targetdesc-undefined-target-is-not-extensible-realm.js (912B)

      1 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-proxy-object-internal-methods-and-internal-slots-defineownproperty-p-desc
      5 description: >
      6    Throw a TypeError exception if Desc is not configurable and target is not
      7    extensible, and trap result is true (honoring the realm of the current
      8    execution context).
      9 info: |
     10    [[DefineOwnProperty]] (P, Desc)
     11 
     12    ...
     13    19. If targetDesc is undefined, then
     14        a. If extensibleTarget is false, throw a TypeError exception.
     15    ...
     16 features: [cross-realm, Proxy]
     17 ---*/
     18 
     19 var OProxy = $262.createRealm().global.Proxy;
     20 var target = Object.create(null);
     21 var p = new OProxy(target, {
     22  defineProperty: function() {
     23    return true;
     24  }
     25 });
     26 
     27 Object.preventExtensions(target);
     28 
     29 assert.throws(TypeError, function() {
     30  p.prop = null;
     31 });
     32 
     33 reportCompare(0, 0);