| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // A non-callable reject function throws eagerly |
| var log = []; |
| var p = new Promise(function(resolve, reject) { |
| log.push("resolve"); |
| resolve(); |
| }); |
| |
| function MyPromise(resolver) { |
| var reject = undefined; |
| var resolve = function() { }; |
| resolver(resolve, reject); |
| }; |
| |
| MyPromise.prototype = new Promise(function() {}); |
| MyPromise.__proto__ = Promise; |
| p.constructor = MyPromise; |
| |
| assertThrows(()=> p.then(function() { }), TypeError); |
