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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.toSpliced
description: >
Array.prototype.toSpliced caches the length getting the array elements.
info: |
Array.prototype.toSpliced ( start, deleteCount, ...items )
...
2. Let len be ? LengthOfArrayLike(O).
...
11. Let newLen be len + insertCount - actualDeleteCount.
...
13. Let k be 0.
14. Repeat, while k < actualStart,
a. Let Pk be ! ToString(𝔽(k)).
b. Let kValue be ? Get(O, Pk).
c. Perform ? CreateDataPropertyOrThrow(A, Pk, kValue).
d. Set k to k + 1.
...
16. Repeat, while k < newLen,
a. Let Pk be ! ToString(𝔽(k)).
b. Let from be ! ToString(𝔽(k + actualDeleteCount - insertCount)).
c. Let fromValue be ? Get(O, from).
d. Perform ? CreateDataPropertyOrThrow(A, Pk, fromValue).
e. Set k to k + 1.
...
features: [change-array-by-copy]
includes: [compareArray.js]
---*/
var arr = [0, 1, 2, 3, 4, 5];
Array.prototype[3] = 6;
Object.defineProperty(arr, "2", {
get() {
arr.length = 1;
return 2;
}
});
assert.compareArray(arr.toSpliced(0, 0), [0, 1, 2, 6, undefined, undefined]);
reportCompare(0, 0);
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