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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%.of
description: >
Performs Set operation which ignores out-of-bounds indices.
info: |
%TypedArray%.of ( ...items )
...
6. Repeat, while k < len,
...
c. Perform ? Set(newObj, Pk, kValue, true).
...
features: [TypedArray, resizable-arraybuffer]
---*/
let rab = new ArrayBuffer(3, {maxByteLength: 4});
let ta = new Int8Array(rab);
let one = {
valueOf() {
// Shrink buffer. Assignment to `ta[0]` should be ignored.
rab.resize(0);
return 1;
}
};
let two = {
valueOf() {
// Grow buffer. All following assignment should succeed.
rab.resize(4);
return 2;
}
};
// Typed array is correctly zero initialised.
assert.sameValue(ta.length, 3);
assert.sameValue(ta[0], 0);
assert.sameValue(ta[1], 0);
assert.sameValue(ta[2], 0);
let result = Int8Array.of.call(function() {
return ta;
}, one, two, 3);
// Correct result value.
assert.sameValue(result, ta);
// Values are correctly set.
assert.sameValue(ta.length, 4);
assert.sameValue(ta[0], 0);
assert.sameValue(ta[1], 2);
assert.sameValue(ta[2], 3);
assert.sameValue(ta[3], 0);
reportCompare(0, 0);
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