tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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derived-this-uninitialized-realm.js (778B)

      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  (honoring the Realm of the current execution context)
      8 info: |
      9  [...]
     10  15. Return ? envRec.GetThisBinding().
     11 
     12  8.1.1.3.4 GetThisBinding ()
     13 
     14  [...]
     15  3. If envRec.[[ThisBindingStatus]] is "uninitialized", throw a ReferenceError
     16     exception.
     17 features: [cross-realm, class]
     18 ---*/
     19 
     20 var C = $262.createRealm().global.eval(
     21  '(class C extends Object {' +
     22  '  constructor() {}' +
     23  '});'
     24 );
     25 
     26 assert.throws(ReferenceError, function() {
     27  new C();
     28 });
     29 
     30 reportCompare(0, 0);