| // 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); |