tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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targetdesc-undefined-not-configurable-descriptor-realm.js (955B)

      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 property
      7    descriptor is undefined, and trap result is true (honoring the realm of the
      8    current execution context).
      9 info: |
     10    [[DefineOwnProperty]] (P, Desc)
     11 
     12    ...
     13    19. If targetDesc is undefined, then
     14        ...
     15        b. If settingConfigFalse is true, throw a TypeError exception.
     16    ...
     17 features: [cross-realm, Proxy]
     18 ---*/
     19 
     20 var OProxy = $262.createRealm().global.Proxy;
     21 var target = Object.create(null);
     22 var p = new OProxy(target, {
     23  defineProperty: function() {
     24    return true;
     25  }
     26 });
     27 
     28 assert.throws(TypeError, function() {
     29  Object.defineProperty(p, 'prop', {
     30    configurable: false
     31  });
     32 });
     33 
     34 reportCompare(0, 0);