builtin-getter-name.js (864B)
1 // Copyright 2015 Cubane Canada, Inc. All rights reserved. 2 // See LICENSE for details. 3 4 /*--- 5 info: | 6 ES6 spec 'get [Symbol.species]' 7 es6id: 21.2.4.2, 22.1.2.5, 22.2.2.4, 23.1.2.2, 23.2.2.2 8 author: Sam Mikes 9 description: Symbol.species getters have defined names 10 features: [Symbol.species] 11 ---*/ 12 13 function getGetterName(obj, name) { 14 var getter = Object.getOwnPropertyDescriptor(obj, Symbol.species).get; 15 return getter && getter.name; 16 } 17 18 assert.sameValue(getGetterName(Array, Symbol.species), "get [Symbol.species]"); 19 assert.sameValue(getGetterName(Map, Symbol.species), "get [Symbol.species]"); 20 assert.sameValue(getGetterName(Promise, Symbol.species), "get [Symbol.species]"); 21 assert.sameValue(getGetterName(RegExp, Symbol.species), "get [Symbol.species]"); 22 assert.sameValue(getGetterName(Set, Symbol.species), "get [Symbol.species]"); 23 24 reportCompare(0, 0);