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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%.prototype.join
description: >
ToString is called once when the array is resized.
info: |
%TypedArray%.prototype.join ( separator )
...
2. Let taRecord be ? ValidateTypedArray(O, seq-cst).
3. Let len be TypedArrayLength(taRecord).
...
5. Else, let sep be ? ToString(separator).
...
features: [TypedArray, resizable-arraybuffer]
---*/
let rab = new ArrayBuffer(3, {maxByteLength: 5});
let ta = new Int8Array(rab);
let callCount = 0;
let index = {
toString() {
callCount++;
rab.resize(0);
return "-";
}
};
assert.sameValue(callCount, 0);
let r = ta.join(index);
assert.sameValue(callCount, 1);
assert.sameValue(r, "--");
reportCompare(0, 0);
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