Source code
Revision control
Copy as Markdown
Other Tools
// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
// 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 RangeError if offset + viewByteLength > bufferByteLength
info: |
24.2.2.1 DataView (buffer, byteOffset, byteLength )
...
10. If byteLength is undefined, then
...
11. Else,
a. Let viewByteLength be ? ToLength(byteLength).
b. If offset+viewByteLength > bufferByteLength, throw a RangeError
exception.
...
features: [SharedArrayBuffer]
---*/
var buffer = new SharedArrayBuffer(3);
assert.throws(RangeError, function() {
new DataView(buffer, 0, 4);
}, "offset: 0, length 4");
assert.throws(RangeError, function() {
new DataView(buffer, 1, 3);
}, "offset: 1, length: 3");
assert.throws(RangeError, function() {
new DataView(buffer, 2, 2);
}, "offset: 2, length: 2");
assert.throws(RangeError, function() {
new DataView(buffer, 3, 1);
}, "offset: 3, length: 1");
assert.throws(RangeError, function() {
new DataView(buffer, 4, 0);
}, "offset: 4, length: 0");
assert.throws(RangeError, function() {
new DataView(buffer, 4, -1);
}, "offset: 4, length: -1");
assert.throws(RangeError, function() {
new DataView(buffer, 4, -Infinity);
}, "offset: 4, length: -Infinity");
assert.throws(RangeError, function() {
new DataView(buffer, 0, Infinity);
}, "offset: 0, length: Infinity");
reportCompare(0, 0);