|  | // Copyright (c) 2015, 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. | 
|  |  | 
|  | import 'package:expect/expect.dart'; | 
|  |  | 
|  | bool assertsChecked() { | 
|  | bool checked = false; | 
|  | try { | 
|  | assert(false); | 
|  | } on AssertionError catch (error) { | 
|  | checked = true; | 
|  | } | 
|  | return checked; | 
|  | } | 
|  |  | 
|  | main() async { | 
|  | bool fault = false; | 
|  | try { | 
|  | assert(await false); | 
|  | } on AssertionError catch (error) { | 
|  | fault = true; | 
|  | } | 
|  | Expect.equals(assertsChecked(), fault); | 
|  | } |