tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

symbol-for-timeout-throws-agent.js (2485B)

      1 // |reftest| shell-option(--setpref=atomics_wait_async) skip-if(!this.hasOwnProperty('SharedArrayBuffer')||!this.hasOwnProperty('Atomics')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))||!xulRuntime.shell) async -- SharedArrayBuffer,Atomics is not enabled unconditionally, ARM64 Simulator cannot emulate atomics, requires shell-options
      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 /*---
      6 esid: sec-atomics.waitasync
      7 description: >
      8  Throws a TypeError if index arg can not be converted to an Integer
      9 info: |
     10  Atomics.waitAsync( typedArray, index, value, timeout )
     11 
     12  1. Return DoWait(async, typedArray, index, value, timeout).
     13 
     14  DoWait ( mode, typedArray, index, value, timeout )
     15 
     16  6. Let q be ? ToNumber(timeout).
     17 
     18    Symbol --> Throw a TypeError exception.
     19 
     20 flags: [async]
     21 includes: [atomicsHelper.js]
     22 features: [Atomics.waitAsync, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray, Atomics, arrow-function, async-functions]
     23 ---*/
     24 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"');
     25 
     26 const RUNNING = 1;
     27 
     28 $262.agent.start(`
     29  $262.agent.receiveBroadcast(function(sab) {
     30    const i32a = new Int32Array(sab);
     31    Atomics.add(i32a, ${RUNNING}, 1);
     32 
     33    let status1 = '';
     34    let status2 = '';
     35 
     36    try {
     37      Atomics.waitAsync(i32a, 0, 0, Symbol('1'));
     38    } catch (error) {
     39      status1 = 'A ' + error.name;
     40    }
     41    try {
     42      Atomics.waitAsync(i32a, 0, 0, Symbol('2'));
     43    } catch (error) {
     44      status2 = 'B ' + error.name;
     45    }
     46 
     47    $262.agent.report(status1);
     48    $262.agent.report(status2);
     49    $262.agent.leaving();
     50  });
     51 `);
     52 
     53 const i32a = new Int32Array(
     54  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
     55 );
     56 
     57 $262.agent.safeBroadcastAsync(i32a, RUNNING, 1).then(async (agentCount) => {
     58 
     59  assert.sameValue(agentCount, 1, 'The value of `agentCount` is 1');
     60 
     61  assert.sameValue(
     62    await $262.agent.getReportAsync(),
     63    'A TypeError',
     64    '(await $262.agent.getReportAsync()) resolves to the value "A TypeError"'
     65  );
     66 
     67  assert.sameValue(
     68    await $262.agent.getReportAsync(),
     69    'B TypeError',
     70    '(await $262.agent.getReportAsync()) resolves to the value "B TypeError"'
     71  );
     72 
     73  assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)), 0) must return 0');
     74 
     75 }).then($DONE, $DONE);