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 (940B)

      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 index 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 features: [ArrayBuffer, Atomics, BigInt, TypedArray]
     20 ---*/
     21 
     22 const i64a = new BigInt64Array(
     23  new ArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 8)
     24 );
     25 
     26 const poisoned = {
     27  valueOf() {
     28    throw new Test262Error();
     29  }
     30 };
     31 
     32 assert.throws(Test262Error, function() {
     33  Atomics.notify(i64a, poisoned, 0);
     34 });
     35 
     36 reportCompare(0, 0);