test262/test/built-ins/DataView/excessive-byteoffset-throws...

29 lines
787 B
JavaScript

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-dataview-buffer-byteoffset-bytelength
description: >
Throws a RangeError if offset > bufferByteLength
info: |
24.2.2.1 DataView (buffer, byteOffset, byteLength )
...
8. Let bufferByteLength be the value of buffer's [[ArrayBufferByteLength]]
internal slot.
9. If offset > bufferByteLength, throw a RangeError exception.
...
features: [SharedArrayBuffer]
---*/
var ab = new SharedArrayBuffer(1);
assert.throws(RangeError, function() {
new DataView(ab, 2);
}, "2");
assert.throws(RangeError, function() {
new DataView(ab, Infinity);
}, "Infinity");