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// Copyright (C) 2021 Microsoft. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.findlastindex
description: Throws a TypeError exception when `this` is not Object
info: |
%TypedArray%.prototype.findLastIndex ( 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.
...
includes: [testTypedArray.js]
features: [Symbol, TypedArray, array-find-from-last]
---*/
var findLastIndex = TypedArray.prototype.findLastIndex;
var predicate = function() {};
assert.throws(TypeError, function() {
findLastIndex.call(undefined, predicate);
}, "this is undefined");
assert.throws(TypeError, function() {
findLastIndex.call(null, predicate);
}, "this is null");
assert.throws(TypeError, function() {
findLastIndex.call(42, predicate);
}, "this is 42");
assert.throws(TypeError, function() {
findLastIndex.call("1", predicate);
}, "this is a string");
assert.throws(TypeError, function() {
findLastIndex.call(true, predicate);
}, "this is true");
assert.throws(TypeError, function() {
findLastIndex.call(false, predicate);
}, "this is false");
var s = Symbol("s");
assert.throws(TypeError, function() {
findLastIndex.call(s, predicate);
}, "this is a Symbol");
reportCompare(0, 0);
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