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// |reftest| shell-option(--enable-float16array)
// Copyright (C) 2021 Microsoft. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-ecmascript-standard-built-in-objects
description: >
TypedArray.prototype.findLastIndex 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, testTypedArray.js]
features: [Reflect.construct, arrow-function, TypedArray, array-find-from-last]
---*/
assert.sameValue(
isConstructor(TypedArray.prototype.findLastIndex),
false,
'isConstructor(TypedArray.prototype.findLastIndex) must return false'
);
assert.throws(TypeError, () => {
let u8 = new Uint8Array(1); new u8.findLastIndex(() => {});
});
reportCompare(0, 0);
|
