// |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: > Resolved promises ignore rejections through deferred invocation of the provided resolving function es6id: 25.4.4.3 info: | [...] 6. Let promiseCapability be NewPromiseCapability(C). [...] 11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C). [...] 25.4.4.3.1 Runtime Semantics: PerformPromiseRace 1. Repeat [...] j. Let result be Invoke(nextPromise, "then", «promiseCapability.[[Resolve]], promiseCapability.[[Reject]]»). 25.4.1.3.1 Promise Reject Functions [...] 2. Let promise be the value of F's [[Promise]] internal slot. 3. Let alreadyResolved be the value of F's [[AlreadyResolved]] internal slot. 4. If alreadyResolved.[[value]] is true, return undefined. flags: [async] ---*/ var fulfiller = { then: function(resolve) { new Promise(function(resolve) { resolve(); }) .then(function() { resolve(); }); } }; var rejector = { then: function(_, reject) { new Promise(function(resolve) { resolve(); }) .then(function() { reject(); }); } }; Promise.race([fulfiller, rejector]) .then(function() { $DONE(); }, function() { $DONE('The promise should not be rejected.'); });