tor-browser

The Tor Browser
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false-for-timeout.js (2302B)


      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  False timeout arg should result in an +0 timeout
      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 flags: [async]
     19 features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, computed-property-names, Symbol, Symbol.toPrimitive, arrow-function]
     20 ---*/
     21 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"');
     22 const i32a = new Int32Array(
     23  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
     24 );
     25 
     26 const valueOf = {
     27  valueOf() {
     28    return false;
     29  }
     30 };
     31 
     32 const toPrimitive = {
     33  [Symbol.toPrimitive]() {
     34    return false;
     35  }
     36 };
     37 
     38 assert.sameValue(
     39  Atomics.waitAsync(i32a, 0, 0, false).value,
     40  'timed-out',
     41  'The value of Atomics.waitAsync(i32a, 0, 0, false).value is "timed-out"'
     42 );
     43 
     44 assert.sameValue(
     45  Atomics.waitAsync(i32a, 0, 0, valueOf).value,
     46  'timed-out',
     47  'The value of Atomics.waitAsync(i32a, 0, 0, valueOf).value is "timed-out"'
     48 );
     49 
     50 assert.sameValue(
     51  Atomics.waitAsync(i32a, 0, 0, toPrimitive).value,
     52  'timed-out',
     53  'The value of Atomics.waitAsync(i32a, 0, 0, toPrimitive).value is "timed-out"'
     54 );
     55 
     56 Promise.all([
     57    Atomics.waitAsync(i32a, 0, 0, false).value,
     58    Atomics.waitAsync(i32a, 0, 0, valueOf).value,
     59    Atomics.waitAsync(i32a, 0, 0, toPrimitive).value,
     60  ]).then(outcomes => {
     61    assert.sameValue(outcomes[0], 'timed-out', 'The value of outcomes[0] is "timed-out"');
     62    assert.sameValue(outcomes[1], 'timed-out', 'The value of outcomes[1] is "timed-out"');
     63    assert.sameValue(outcomes[2], 'timed-out', 'The value of outcomes[2] is "timed-out"');
     64  }).then($DONE, $DONE);