test262/test/built-ins/Reflect/getOwnPropertyDescriptor/not-a-constructor.js

34 lines
1020 B
JavaScript

// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-ecmascript-standard-built-in-objects
description: >
Reflect.getOwnPropertyDescriptor does not implement [[Construct]], is not new-able
info: |
ECMAScript Function Objects
Built-in function objects that are not identified as constructors do not
implement the [[Construct]] internal method unless otherwise specified in
the description of a particular function.
sec-evaluatenew
...
7. If IsConstructor(constructor) is false, throw a TypeError exception.
...
includes: [isConstructor.js]
features: [Reflect.construct, Reflect, arrow-function]
---*/
assert.sameValue(
isConstructor(Reflect.getOwnPropertyDescriptor),
false,
'isConstructor(Reflect.getOwnPropertyDescriptor) must return false'
);
assert.throws(TypeError, () => {
new Reflect.getOwnPropertyDescriptor({}, '');
}, '`new Reflect.getOwnPropertyDescriptor({}, \'\')` throws TypeError');