// 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 es6id: 25.4.4.5 info: | [...] 6. Let resolveResult be Call(promiseCapability.[[Resolve]], undefined, «x»). [...] 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») ---*/ var value = {}; var rejectCallCount = 0; var thenable = new Promise(function(resolve) { resolve(); }); var resolvedValue; thenable.then = function(resolve) { resolve(value); }; Promise.resolve(thenable).then(function(val) { resolvedValue = val; }, function() { rejectCallCount += 1; }); assert.sameValue(resolvedValue, value); assert.sameValue(rejectCallCount, 0); reportCompare(0, 0);