length.js (1319B)
1 // |reftest| shell-option(--setpref=atomics_wait_async) skip-if(!this.hasOwnProperty('Atomics')||!xulRuntime.shell) -- Atomics is not enabled unconditionally, 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 Atomics.waitAsync.length is 4. 9 info: | 10 Atomics.waitAsync ( ia, index, expect, timeout ) 11 12 17 ECMAScript Standard Built-in Objects: 13 Every built-in Function object, including constructors, has a length 14 property whose value is an integer. Unless otherwise specified, this 15 value is equal to the largest number of named arguments shown in the 16 subclause headings for the function description, including optional 17 parameters. However, rest parameters shown using the form “...name” 18 are not included in the default argument count. 19 20 Unless otherwise specified, the length property of a built-in Function 21 object has the attributes { [[Writable]]: false, [[Enumerable]]: false, 22 [[Configurable]]: true }. 23 includes: [propertyHelper.js] 24 features: [Atomics.waitAsync, Atomics] 25 ---*/ 26 27 verifyProperty(Atomics.waitAsync, 'length', { 28 value: 4, 29 enumerable: false, 30 writable: false, 31 configurable: true, 32 }); 33 34 reportCompare(0, 0);