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// Copyright (C) 2024 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-dataview-buffer-byteoffset-bytelength
description: >
The byteOffset argument is validated against the initial buffer length.
info: |
DataView ( buffer [ , byteOffset [ , byteLength ] ] )
...
3. Let offset be ? ToIndex(byteOffset).
...
5. Let bufferByteLength be ArrayBufferByteLength(buffer, seq-cst).
6. If offset > bufferByteLength, throw a RangeError exception.
...
10. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DataView.prototype%",
« [[DataView]], [[ViewedArrayBuffer]], [[ByteLength]], [[ByteOffset]] »).
...
OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
...
2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
...
features: [Reflect.construct]
---*/
let newTarget = Object.defineProperty(function(){}.bind(), "prototype", {
get() {
throw new Test262Error("GetPrototypeFromConstructor not executed");
}
});
// Zero length buffer.
let ab = new ArrayBuffer(0);
// Byte offset is larger than the buffer length, which is zero.
let byteOffset = 10;
assert.throws(RangeError, () => {
Reflect.construct(DataView, [ab, byteOffset], newTarget);
});
reportCompare(0, 0);
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