resolve-non-thenable.js (1282B)
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: Resolving with a non-thenable object value 6 es6id: 25.4.4.3 7 info: | 8 [...] 9 6. Let promiseCapability be NewPromiseCapability(C). 10 [...] 11 11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C). 12 [...] 13 14 25.4.4.3.1 Runtime Semantics: PerformPromiseRace 15 1. Repeat 16 [...] 17 j. Let result be Invoke(nextPromise, "then", 18 «promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»). 19 20 25.4.1.3.2 Promise Resolve Functions 21 [...] 22 8. Let then be Get(resolution, "then"). 23 9. If then is an abrupt completion, then 24 [...] 25 10. Let thenAction be then.[[value]]. 26 11. If IsCallable(thenAction) is false, then 27 a. Return FulfillPromise(promise, resolution). 28 flags: [async] 29 ---*/ 30 31 var value = {}; 32 var thenable = { 33 then: function(resolve) { 34 resolve(value); 35 } 36 }; 37 38 Promise.race([thenable]) 39 .then(function(val) { 40 if (val !== value) { 41 $DONE('The promise should be resolved with the correct value.'); 42 return; 43 } 44 $DONE(); 45 }, function() { 46 $DONE('The promise should not be rejected.'); 47 });