JSTests/test262/test/built-ins/DataView/prototype/getFloat64/detached-buffer.js

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-dataview.prototype.getfloat64
description: >
  Throws a TypeError if buffer is detached
info: |
  24.2.4.6 DataView.prototype.getFloat64 ( byteOffset [ , littleEndian ] )

  1. Let v be the this value.
  2. If littleEndian is not present, let littleEndian be false.
  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Float64").

  24.2.1.1 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]
---*/

var buffer = new ArrayBuffer(1);
var sample = new DataView(buffer, 0);

$DETACHBUFFER(buffer);
assert.throws(TypeError, function() {
  sample.getFloat64(0);
});