test262/test/language/expressions/optional-chaining/new-target-optional-call.js

31 lines
775 B
JavaScript

// Copyright 2019 Google, LLC. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: prod-OptionalExpression
description: >
optional call invoked on new.target should be equivalent to call
info: |
OptionalExpression
MemberExpression OptionalChain
NewTarget OptionalChain
features: [optional-chaining]
---*/
const newTargetContext = (function() { return this; })();
let called = false;
// should be set to 'undefined' or global context, depending on whether
// mode is strict or sloppy.
let context = null;
function Base() {
called = true;
context = this;
}
function Foo(blerg) {
new.target?.();
}
Reflect.construct(Foo, [], Base);
assert(context === newTargetContext);
assert.sameValue(called, true);