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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 gets array elements one at a time.
info: |
Array.prototype.toSpliced ( start, deleteCount, ...items )
...
16. Repeat, while i < actualStart,
a. Let Pi be ! ToString(𝔽(i)).
b. Let iValue be ? Get(O, Pi).
c. Perform ! CreateDataPropertyOrThrow(A, Pi, iValue).
d. Set i to i + 1.
...
18. Repeat, while i < newLen,
a. Let Pi be ! ToString(𝔽(i)).
b. Let from be ! ToString(𝔽(r)).
c. Let fromValue be ? Get(O, from).
d. Perform ! CreateDataPropertyOrThrow(A, Pi, fromValue).
e. Set i to i + 1.
f. Set r to r + 1.
...
features: [change-array-by-copy]
includes: [compareArray.js]
---*/
var arr = [0, 1, 2, 3];
var zerothElementStorage = arr[0];
Object.defineProperty(arr, "0", {
get() {
arr[1] = 42;
return zerothElementStorage;
},
set(v) {
zerothElementStorage = v;
}
});
Object.defineProperty(arr, "2", {
get() {
arr[0] = 17;
arr[3] = 37;
return 2;
}
});
assert.compareArray(arr.toSpliced(1, 0, 0.5), [0, 0.5, 42, 2, 37]);
reportCompare(0, 0);
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