resolve-element-function-name.js (1298B)
1 // Copyright (C) 2019 Leo Balter. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 esid: sec-promise.allsettled-resolve-element-functions 6 description: The `name` property of Promise.allSettled Resolve Element functions 7 info: | 8 A promise resolve function is an anonymous built-in function. 9 10 17 ECMAScript Standard Built-in Objects: 11 Every built-in function object, including constructors, has a `name` 12 property whose value is a String. Functions that are identified as 13 anonymous functions use the empty string as the value of the `name` 14 property. 15 Unless otherwise specified, the `name` property of a built-in function 16 object has the attributes { [[Writable]]: *false*, [[Enumerable]]: *false*, 17 [[Configurable]]: *true* }. 18 includes: [propertyHelper.js] 19 features: [Promise.allSettled] 20 ---*/ 21 22 var resolveElementFunction; 23 var thenable = { 24 then(fulfill) { 25 resolveElementFunction = fulfill; 26 } 27 }; 28 29 function NotPromise(executor) { 30 executor(function() {}, function() {}); 31 } 32 NotPromise.resolve = function(v) { 33 return v; 34 }; 35 Promise.allSettled.call(NotPromise, [thenable]); 36 37 verifyProperty(resolveElementFunction, "name", { 38 value: "", writable: false, enumerable: false, configurable: true 39 }); 40 41 reportCompare(0, 0);