|  | // Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  |  | 
|  | // The Kernel async transformer should not skip assert statements. | 
|  |  | 
|  | import 'dart:async'; | 
|  |  | 
|  | import 'package:expect/expect.dart'; | 
|  | import 'package:async_helper/async_helper.dart'; | 
|  |  | 
|  | g() async => 21; | 
|  | f() async => 42; | 
|  |  | 
|  | test() async { | 
|  | assert(await g() == await f()); | 
|  | } | 
|  |  | 
|  | main() { | 
|  | bool ok = true; | 
|  | assert(!(ok = false)); | 
|  | // !ok iff asserts are enabled. | 
|  |  | 
|  | asyncStart(); | 
|  | test().then((_) => Expect.isTrue(ok), onError: (error) { | 
|  | // !ok implies error is AssertionError. | 
|  | Expect.isTrue(ok || error is AssertionError); | 
|  | }).whenComplete(asyncEnd); | 
|  | } |