test262/test/language/expressions/new.target/value-via-super-call.js

// 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-super-keyword-runtime-semantics-evaluation
es6id: 12.3.5.1
description: Value when invoked via SuperCall
info: |
  SuperCall : super Arguments

  1. Let newTarget be GetNewTarget().
  [...]
  6. Let result be ? Construct(func, argList, newTarget).
  [...]
features: [class]
---*/

var baseNewTarget, parentNewTarget;

class Base {
  constructor() {
    baseNewTarget = new.target;
  }
}

class Parent extends Base {
  constructor() {
    parentNewTarget = new.target;
    super();
  }
}

class Child extends Parent {
  constructor() {
    super();
  }
}

new Child();

assert.sameValue(parentNewTarget, Child, 'within "parent" constructor');
assert.sameValue(baseNewTarget, Child, 'within "base" constructor');