tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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negative-byteoffset-throws-sab.js (1072B)

      1 // |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
      2 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      3 // Copyright (C) 2017 Mozilla Corporation. All rights reserved.
      4 // This code is governed by the BSD license found in the LICENSE file.
      5 
      6 /*---
      7 esid: sec-dataview-buffer-byteoffset-bytelength
      8 description: >
      9  Throws a RangeError if ToInteger(byteOffset) < 0
     10 info: |
     11  24.2.2.1 DataView (buffer, byteOffset, byteLength )
     12 
     13  ...
     14  4. Let offset be ? ToIndex(byteOffset).
     15  ...
     16 
     17  ToIndex ( value )
     18 
     19  1. If value is undefined, then
     20    a. Let index be 0.
     21  2. Else,
     22    a. Let integerIndex be ? ToInteger(value).
     23    b. If integerIndex < 0, throw a RangeError exception.
     24    ...
     25 features: [SharedArrayBuffer]
     26 ---*/
     27 
     28 var buffer = new SharedArrayBuffer(2);
     29 
     30 assert.throws(RangeError, function() {
     31  new DataView(buffer, -1);
     32 }, "new DataView(buffer, -1);");
     33 
     34 assert.throws(RangeError, function() {
     35  new DataView(buffer, -Infinity);
     36 }, "new DataView(buffer, -Infinity);");
     37 
     38 reportCompare(0, 0);