tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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trap-is-undefined.js (1012B)

      1 // Copyright (C) 2015 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 es6id: 9.5.6
      5 description: >
      6    Return target.[[DefineOwnProperty]](P, Desc) if trap is undefined.
      7 info: |
      8    [[DefineOwnProperty]] (P, Desc)
      9 
     10    ...
     11    8. If trap is undefined, then
     12        a. Return target.[[DefineOwnProperty]](P, Desc).
     13    ...
     14 includes: [propertyHelper.js]
     15 features: [Proxy]
     16 ---*/
     17 
     18 var target = {};
     19 var p = new Proxy(target, {});
     20 
     21 Object.defineProperty(p, "attr", {
     22  configurable: true,
     23  enumerable: true,
     24  writable: true,
     25  value: 1
     26 });
     27 
     28 verifyEqualTo(target, "attr", 1);
     29 verifyProperty(target, "attr", {
     30  writable: true,
     31  enumerable: true,
     32  configurable: true,
     33 });
     34 
     35 Object.defineProperty(p, "attr", {
     36  configurable: false,
     37  enumerable: false,
     38  writable: false,
     39  value: 2
     40 });
     41 
     42 verifyEqualTo(target, "attr", 2);
     43 verifyProperty(target, "attr", {
     44  writable: false,
     45  enumerable: false,
     46  configurable: false,
     47 });
     48 
     49 reportCompare(0, 0);