js/src/tests/test262/built-ins/Function/internals/Construct/derived-this-uninitialized.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

// 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
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();
});

reportCompare(0, 0);