tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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symbol-for-timeout-throws.js (2197B)


      1 // |reftest| shell-option(--setpref=atomics_wait_async) skip-if(!this.hasOwnProperty('SharedArrayBuffer')||!this.hasOwnProperty('Atomics')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))||!xulRuntime.shell) -- 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 features: [Atomics.waitAsync, SharedArrayBuffer, Symbol, Symbol.toPrimitive, TypedArray, computed-property-names, Atomics]
     21 ---*/
     22 assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"');
     23 const i32a = new Int32Array(
     24  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
     25 );
     26 
     27 const poisonedValueOf = {
     28  valueOf() {
     29    throw new Test262Error('should not evaluate this code');
     30  }
     31 };
     32 
     33 const poisonedToPrimitive = {
     34  [Symbol.toPrimitive]() {
     35    throw new Test262Error('passing a poisoned object using @@ToPrimitive');
     36  }
     37 };
     38 
     39 assert.throws(Test262Error, function() {
     40  Atomics.waitAsync(i32a, 0, 0, poisonedValueOf);
     41 }, '`Atomics.waitAsync(i32a, 0, 0, poisonedValueOf)` throws a Test262Error exception');
     42 
     43 assert.throws(Test262Error, function() {
     44  Atomics.waitAsync(i32a, 0, 0, poisonedToPrimitive);
     45 }, '`Atomics.waitAsync(i32a, 0, 0, poisonedToPrimitive)` throws a Test262Error exception');
     46 
     47 assert.throws(TypeError, function() {
     48  Atomics.waitAsync(i32a, 0, 0, Symbol("foo"));
     49 }, '`Atomics.waitAsync(i32a, 0, 0, Symbol("foo"))` throws a TypeError exception');
     50 
     51 assert.throws(TypeError, function() {
     52  Atomics.waitAsync(i32a, 0, 0, Symbol("foo"));
     53 }, '`Atomics.waitAsync(i32a, 0, 0, Symbol("foo"))` throws a TypeError exception');
     54 
     55 reportCompare(0, 0);