tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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derived-this-uninitialized.js (649B)


      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-ecmascript-function-objects-construct-argumentslist-newtarget
      5 description: >
      6    Error when derived constructor does not initialize the `this` binding
      7 info: |
      8  [...]
      9  15. Return ? envRec.GetThisBinding().
     10 
     11  8.1.1.3.4 GetThisBinding ()
     12 
     13  [...]
     14  3. If envRec.[[ThisBindingStatus]] is "uninitialized", throw a ReferenceError
     15     exception.
     16 features: [class]
     17 ---*/
     18 
     19 class C extends Object {
     20  constructor() {}
     21 }
     22 
     23 assert.throws(ReferenceError, function() {
     24  new C();
     25 });
     26 
     27 reportCompare(0, 0);