File: builtin-getter-name.js

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// Copyright 2015 Cubane Canada, Inc.  All rights reserved.
// See LICENSE for details.

/*---
info: |
 ES6 spec 'get [Symbol.species]'
es6id: 21.2.4.2, 22.1.2.5, 22.2.2.4, 23.1.2.2, 23.2.2.2
author: Sam Mikes
description: Symbol.species getters have defined names
features: [Symbol.species]
---*/

function getGetterName(obj, name) {
  var getter = Object.getOwnPropertyDescriptor(obj, Symbol.species).get;
  return getter && getter.name;
}

assert.sameValue(getGetterName(Array, Symbol.species), "get [Symbol.species]");
assert.sameValue(getGetterName(Map, Symbol.species), "get [Symbol.species]");
assert.sameValue(getGetterName(Promise, Symbol.species), "get [Symbol.species]");
assert.sameValue(getGetterName(RegExp, Symbol.species), "get [Symbol.species]");
assert.sameValue(getGetterName(Set, Symbol.species), "get [Symbol.species]");