File: derived-this-uninitialized.js

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-ecmascript-function-objects-construct-argumentslist-newtarget
es6id: 9.2.2
description: >
    Error when derived constructor does not initialize the `this` binding
info: |
  [...]
  15. Return ? envRec.GetThisBinding().

  8.1.1.3.4 GetThisBinding ()

  [...]
  3. If envRec.[[ThisBindingStatus]] is "uninitialized", throw a ReferenceError
     exception.
features: [class]
---*/

class C extends Object {
  constructor() {}
}

assert.throws(ReferenceError, function() {
  new C();
});