// 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 reference to the promise itself 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 [...] 6. If SameValue(resolution, promise) is true, then a. Let selfResolutionError be a newly created TypeError object. b. Return RejectPromise(promise, selfResolutionError). flags: [async] ---*/ var returnValue = null; var resolve; var promise = new Promise(function(_resolve) { resolve = _resolve; }); promise.then(function() { $DONE('The promise should not be fulfilled.'); }, function(reason) { if (!reason) { $DONE('The promise should be rejected with a value.'); return; } if (reason.constructor !== TypeError) { $DONE('The promise should be rejected with a TypeError instance.'); return; } $DONE(); }); returnValue = resolve(promise); assert.sameValue(returnValue, undefined, '"resolve" return value');