// |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 an object with a "poisoned" `then` property after invocation 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 7. If Type(resolution) is not Object, then a. Return FulfillPromise(promise, resolution). flags: [async] ---*/ var returnValue = null; var value = {}; var resolve; var poisonedThen = Object.defineProperty({}, 'then', { get: function() { throw value; } }); var promise = new Promise(function(_resolve) { resolve = _resolve; }); promise.then(function() { $DONE('The promise should not be fulfilled.'); }, function(val) { if (val !== value) { $DONE('The promise should be fulfilled with the provided value.'); return; } $DONE(); }); returnValue = resolve(poisonedThen); assert.sameValue(returnValue, undefined, '"resolve" return value');