test262/test/built-ins/Object/subclass-object-arg.js

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814 B
JavaScript

// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-object-value
author: Matthew Phillips <matthew@matthewphillips.info>
description: >
NewTarget is active function and subclass of Object
info: |
Object ( [ value ] )
1. If NewTarget is neither undefined nor the active function, then
a. Return ? OrdinaryCreateFromConstructor(NewTarget, "%ObjectPrototype%").
[...]
features: [class, Reflect, Reflect.construct]
---*/
class O extends Object {}
var o1 = new O({a: 1});
var o2 = Reflect.construct(Object, [{b: 2}], O);
assert.sameValue(o1.a, undefined);
assert.sameValue(o2.b, undefined);
assert.sameValue(Object.getPrototypeOf(o1), O.prototype);
assert.sameValue(Object.getPrototypeOf(o2), O.prototype);