tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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trap-is-missing-target-is-proxy.js (1242B)

      1 // Copyright (C) 2020 Alexey Shvayka. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-proxy-object-internal-methods-and-internal-slots-getownproperty-p
      6 description: >
      7  If "getOwnPropertyDescriptor" trap is null or undefined, [[GetOwnProperty]]
      8  call is properly forwarded to [[ProxyTarget]] (which is also a Proxy object).
      9 info: |
     10  [[GetOwnProperty]] ( P )
     11 
     12  [...]
     13  5. Let target be O.[[ProxyTarget]].
     14  6. Let trap be ? GetMethod(handler, "getOwnPropertyDescriptor").
     15  7. If trap is undefined, then
     16    a. Return ? target.[[GetOwnProperty]](P).
     17 includes: [propertyHelper.js]
     18 features: [Proxy]
     19 ---*/
     20 
     21 var stringTarget = new Proxy(new String("str"), {});
     22 var stringProxy = new Proxy(stringTarget, {});
     23 
     24 verifyProperty(stringProxy, "0", {
     25  value: "s",
     26  writable: false,
     27  enumerable: true,
     28  configurable: false,
     29 });
     30 
     31 verifyProperty(stringProxy, "length", {
     32  value: 3,
     33  writable: false,
     34  enumerable: false,
     35  configurable: false,
     36 });
     37 
     38 
     39 var functionTarget = new Proxy(function() {}, {});
     40 var functionProxy = new Proxy(functionTarget, {});
     41 
     42 verifyProperty(functionProxy, "prototype", {
     43  writable: true,
     44  enumerable: false,
     45  configurable: false,
     46 });
     47 
     48 reportCompare(0, 0);