js/src/tests/test262/built-ins/TypedArray/prototype/findLast/invoked-as-method.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

// Copyright (C) 2021 Microsoft. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.findlast
description: Requires a [[TypedArrayName]] internal slot.
info: |
  %TypedArray%.prototype.findLast (predicate [ , thisArg ] )

  2. Perform ? ValidateTypedArray(O).

  22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )

  1. If Type(O) is not Object, throw a TypeError exception.
  2. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError
  exception.
  ...
includes: [testTypedArray.js]
features: [TypedArray, array-find-from-last]
---*/

var TypedArrayPrototype = TypedArray.prototype;

assert.sameValue(typeof TypedArrayPrototype.findLast, 'function');

assert.throws(TypeError, function() {
  TypedArrayPrototype.findLast();
});

reportCompare(0, 0);