tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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non-shared-bufferdata-count-evaluation-throws.js (927B)

      1 // |reftest| skip-if(!this.hasOwnProperty('Atomics')) -- Atomics is not enabled unconditionally
      2 // Copyright (C) 2020 Rick Waldron. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 esid: sec-atomics.notify
      6 description: >
      7  Evaluates count before returning 0, when TA.buffer is not a SharedArrayBuffer
      8 info: |
      9  Atomics.notify( typedArray, index, count )
     10 
     11  Let buffer be ? ValidateIntegerTypedArray(typedArray, true).
     12  ...
     13  Else,
     14    Let intCount be ? ToInteger(count).
     15    Let c be max(intCount, 0).
     16  ...
     17  If IsSharedArrayBuffer(buffer) is false, return 0.
     18 
     19 
     20 features: [ArrayBuffer, Atomics, TypedArray]
     21 ---*/
     22 
     23 const i32a = new Int32Array(
     24  new ArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
     25 );
     26 
     27 const poisoned = {
     28  valueOf() {
     29    throw new Test262Error();
     30  }
     31 };
     32 
     33 assert.throws(Test262Error, function() {
     34  Atomics.notify(i32a, 0, poisoned);
     35 });
     36 
     37 
     38 
     39 reportCompare(0, 0);