// |reftest| async // Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: Resolving with a reference to the promise itself 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]]»). 25.4.1.3.2 Promise Resolve Functions [...] 6. If SameValue(resolution, promise) is true, then a. Let selfResolutionError be a newly created TypeError object. b. Return RejectPromise(promise, selfResolutionError). flags: [async] ---*/ var self, resolve; var builtinResolve = Promise.resolve; var thenable = { then: function(r) { resolve = r; } }; try { Promise.resolve = function(v) { return v; }; self = Promise.race([thenable]); } finally { Promise.resolve = builtinResolve; } resolve(self); self.then(function() { $DONE('The promise should not be fulfilled.'); }, function(value) { if (!value) { $DONE('The promise should be rejected with a value.'); return; } if (value.constructor !== TypeError) { $DONE('The promise should be rejected with a TypeError instance.'); return; } $DONE(); });