reject-ignored-via-fn-deferred.js (1165B)
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: > 6 Resolved promises ignore rejections through deferred invocation of the 7 provided resolving function 8 es6id: 25.4.3.1 9 info: | 10 [...] 11 9. Let completion be Call(executor, undefined, 12 «resolvingFunctions.[[Resolve]], resolvingFunctions.[[Reject]]»). 13 10. If completion is an abrupt completion, then 14 [...] 15 11. Return promise. 16 17 25.4.1.3.1 Promise Reject Functions 18 [...] 19 3. Let alreadyResolved be the value of F's [[AlreadyResolved]] internal 20 slot. 21 4. If alreadyResolved.[[value]] is true, return undefined. 22 flags: [async] 23 ---*/ 24 25 var returnValue = null; 26 var thenable = new Promise(function() {}); 27 var resolve, reject; 28 var p = new Promise(function(_resolve, _reject) { 29 resolve = _resolve; 30 reject = _reject; 31 }); 32 33 p.then(function() { 34 $DONE(); 35 }, function() { 36 $DONE('The promise should not be rejected.'); 37 }); 38 39 resolve(); 40 returnValue = reject(thenable); 41 42 assert.sameValue(returnValue, undefined, '"reject" function return value');