reject-via-fn-deferred.js (1089B)
1 // |reftest| async 2 // Copyright (C) 2016 the V8 project authors. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 /*--- 5 description: Rejecting through deferred invocation of the provided resolving function 6 es6id: 25.4.3.1 7 info: | 8 [...] 9 9. Let completion be Call(executor, undefined, 10 «resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»). 11 10. If completion is an abrupt completion, then 12 [...] 13 11. Return promise. 14 15 25.4.1.3.1 Promise Reject Functions 16 [...] 17 6. Return RejectPromise(promise, reason). 18 flags: [async] 19 ---*/ 20 21 var thenable = new Promise(function() {}); 22 var returnValue = null; 23 var reject; 24 var p = new Promise(function(_, _reject) { 25 reject = _reject; 26 }); 27 28 p.then(function() { 29 $DONE('The promise should not be fulfilled.'); 30 }, function(x) { 31 if (x !== thenable) { 32 $DONE('The promise should be rejected with the resolution value.'); 33 return; 34 } 35 36 $DONE(); 37 }); 38 39 returnValue = reject(thenable); 40 41 assert.sameValue(returnValue, undefined, '"reject" function return value');