| // 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: > |
| Detached buffer is checked before out of range byteOffset's value |
| info: | |
| 24.2.4.8 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 ) |
| |
| ... |
| 6. Let buffer be view.[[ViewedArrayBuffer]]. |
| 7. If IsDetachedBuffer(buffer) is true, throw a TypeError exception. |
| ... |
| 11. If getIndex + elementSize > viewSize, throw a RangeError exception. |
| ... |
| includes: [detachArrayBuffer.js] |
| features: [DataView, ArrayBuffer, BigInt, arrow-function] |
| ---*/ |
| |
| var sample; |
| var buffer = new ArrayBuffer(12); |
| |
| sample = new DataView(buffer, 0); |
| |
| $DETACHBUFFER(buffer); |
| |
| assert.throws(TypeError, () => sample.getBigInt64(13), |
| "detached DataView access should throw"); |
