test262/test/built-ins/parseFloat/not-a-constructor.js

30 lines
841 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: >
parseFloat 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, arrow-function]
---*/
assert.sameValue(isConstructor(parseFloat), false, 'isConstructor(parseFloat) must return false');
assert.throws(TypeError, () => {
new parseFloat(1);
});