tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

create-target-is-not-a-constructor.js (986B)

      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 esid: sec-proxycreate
      5 description: >
      6    A Proxy exotic object only accepts a constructor call if target is
      7    constructor.
      8 info: |
      9    ProxyCreate ( target, handler )
     10 
     11    If IsCallable(target) is true, then
     12        Set P.[[Call]] as specified in 9.5.12.
     13        If IsConstructor(target) is true, then
     14            Set P.[[Construct]] as specified in 9.5.13.
     15    ...
     16 
     17    Runtime Semantics: EvaluateNew(constructProduction, arguments)
     18 
     19    8. If IsConstructor (constructor) is false, throw a TypeError exception.
     20 includes: [isConstructor.js]
     21 features: [Proxy, Reflect.construct, arrow-function]
     22 ---*/
     23 
     24 var proxy = new Proxy(eval, {});
     25 
     26 proxy(); // the Proxy object is callable
     27 
     28 assert.sameValue(isConstructor(proxy), false, 'isConstructor(proxy) must return false');
     29 assert.throws(TypeError, () => {
     30  new proxy();
     31 });
     32 
     33 reportCompare(0, 0);