// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: > `Promise.race` invoked on a constructor value es6id: 25.4.4.3 info: | 1. Let C be the this value. [...] 6. Let promiseCapability be NewPromiseCapability(C). [...] 10. Let iteratorRecord be Record {[[iterator]]: iterator, [[done]]: false}. 11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C). [...] 13. Return Completion(result). features: [class] ---*/ var executor = null; var callCount = 0; class SubPromise extends Promise { constructor(a) { super(a); executor = a; callCount += 1; } } var instance = Promise.race.call(SubPromise, []); assert.sameValue(instance.constructor, SubPromise); assert.sameValue(instance instanceof SubPromise, true); assert.sameValue(callCount, 1); assert.sameValue(typeof executor, 'function'); reportCompare(0, 0);