// Copyright (C) 2017 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-dataview.prototype.getbigint64
description: >
Throws a TypeError if buffer is detached
info: |
DataView.prototype.getBigInt64 ( byteOffset [ , littleEndian ] )
1. Let v be the this value.
2. If littleEndian is not present, let littleEndian be undefined.
3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int64").
24.3.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
...
8. Let buffer be the value of view's [[ViewedArrayBuffer]] internal slot.
9. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
...
includes: [detachArrayBuffer.js]
features: [DataView, ArrayBuffer, BigInt, arrow-function]
---*/
var buffer = new ArrayBuffer(1);
var sample = new DataView(buffer, 0);
$DETACHBUFFER(buffer);
assert.throws(TypeError, () => sample.getBigInt64(0),
"detached DataView access should throw");