|  | // 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. | 
|  |  | 
|  | // Verify creating an incremental kernel file twice generates the same bits. | 
|  |  | 
|  | import 'dart:async'; | 
|  | import 'snapshot_test_helper.dart'; | 
|  |  | 
|  | int fib(int n) { | 
|  | if (n <= 1) return 1; | 
|  | return fib(n - 1) + fib(n - 2); | 
|  | } | 
|  |  | 
|  | Future<void> main(List<String> args) async { | 
|  | if (args.contains('--child')) { | 
|  | print(fib(35)); | 
|  | return; | 
|  | } | 
|  |  | 
|  | await checkDeterministicSnapshot("kernel", ""); | 
|  | } |