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// |reftest| shell-option(--enable-arraybuffer-resizable) skip-if(!ArrayBuffer.prototype.resize||!xulRuntime.shell) -- resizable-arraybuffer is not enabled unconditionally, requires shell-options
// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.from
description: >
If the mapper function makes result typed array out-of-bounds, .from performs Set operation which ignores out-of-bounds indices.
info: |
%TypedArray%.from ( source [ , mapfn [ , thisArg ] ] )
...
12. Repeat, while k < len,
...
c. If mapping is true, then
i. Let mappedValue be ? Call(mapfn, thisArg, « kValue, 𝔽(k) »).
...
e. Perform ? Set(targetObj, Pk, mappedValue, true).
...
features: [TypedArray, resizable-arraybuffer]
---*/
let rab = new ArrayBuffer(3, {maxByteLength: 5});
let target = new Int8Array(rab);
let values = new Int8Array([0, 1, 2]);
let result = Int32Array.from.call(function() {
return target;
}, values, v => {
if (v === 1) {
rab.resize(1);
}
return v + 10;
});
assert.sameValue(result, target);
assert.sameValue(result.length, 1);
assert.sameValue(result[0], 10);
reportCompare(0, 0);
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