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// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.lastindexof
description: >
Elements are found in an array-like object
whose "length" property is near the integer limit.
info: |
Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
1. Let O be ? ToObject(this value).
2. Let len be ? LengthOfArrayLike(O).
[...]
7. Repeat, while k ≥ 0
a. Let kPresent be ? HasProperty(O, ! ToString(k)).
b. If kPresent is true, then
i. Let elementK be ? Get(O, ! ToString(k)).
ii. Let same be the result of performing Strict Equality Comparison searchElement === elementK.
iii. If same is true, return k.
[...]
---*/
var el = {};
var elIndex = Number.MAX_SAFE_INTEGER - 3;
var fromIndex = Number.MAX_SAFE_INTEGER - 1;
var arrayLike = {
length: Number.MAX_SAFE_INTEGER,
};
arrayLike[elIndex] = el;
var res = Array.prototype.lastIndexOf.call(arrayLike, el, fromIndex);
assert.sameValue(res, elIndex);
reportCompare(0, 0);
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