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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.toReversed
description: >
Array.prototype.toReversed gets the array elements from the last one to the first one.
info: |
Array.prototype.toReversed ( )
...
2. Let len be ? LengthOfArrayLike(O).
...
5. Repeat, while k < len
a. Let from be ! ToString(𝔽(len - k - 1)).
...
c. Let fromValue be ? Get(O, from).
...
features: [change-array-by-copy]
includes: [compareArray.js]
---*/
var order = [];
var arrayLike = {
length: 3,
get 0() {
order.push(0);
},
get 1() {
order.push(1);
},
get 2() {
order.push(2);
},
};
Array.prototype.toReversed.call(arrayLike);
assert.compareArray(order, [2, 1, 0]);
order = [];
var arr = [0, 1, 2];
Object.defineProperty(arr, 0, { get: function() { order.push(0); } });
Object.defineProperty(arr, 1, { get: function() { order.push(1); } });
Object.defineProperty(arr, 2, { get: function() { order.push(2); } });
Array.prototype.toReversed.call(arr);
assert.compareArray(order, [2, 1, 0]);
reportCompare(0, 0);
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