// |reftest| async // Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: > Resolving with a resolved Promise instance whose `then` method has been overridden after execution of the executor function es6id: 25.4.3.1 info: | [...] 8. Let resolvingFunctions be CreateResolvingFunctions(promise). 9. Let completion be Call(executor, undefined, «resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»). 25.4.1.3.2 Promise Resolve Functions [...] 8. Let then be Get(resolution, "then"). 9. If then is an abrupt completion, then [...] 10. Let thenAction be then.[[value]]. 11. If IsCallable(thenAction) is false, then [...] 12. Perform EnqueueJob ("PromiseJobs", PromiseResolveThenableJob, «promise, resolution, thenAction») flags: [async] ---*/ var returnValue = null; var value = {}; var resolve; var thenable = new Promise(function(resolve) { resolve(); }); var promise = new Promise(function(_resolve) { resolve = _resolve; }); thenable.then = function(resolve) { resolve(value); }; promise.then(function(val) { if (val !== value) { $DONE('The promise should be fulfilled with the provided value.'); return; } $DONE(); }, function() { $DONE('The promise should not be rejected.'); }); returnValue = resolve(thenable); assert.sameValue(returnValue, undefined, '"resolve" return value');