|  | // Copyright (c) 2020, 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. | 
|  |  | 
|  | // Test that the test matrix in the SDK can be parsed correctly. | 
|  |  | 
|  | import 'dart:convert' show jsonDecode; | 
|  | import 'dart:io' show File, Platform; | 
|  |  | 
|  | import 'package:smith/smith.dart' show TestMatrix; | 
|  |  | 
|  | main() { | 
|  | var path = Platform.script.resolve("bots/test_matrix.json").toFilePath(); | 
|  | Map<String, dynamic> json; | 
|  | try { | 
|  | json = jsonDecode(File(path).readAsStringSync()); | 
|  | } catch (e) { | 
|  | print("The test matrix at $path is not valid JSON!\n\n$e"); | 
|  | return; | 
|  | } | 
|  | try { | 
|  | TestMatrix.fromJson(json); | 
|  | } catch (e) { | 
|  | print("The test matrix at $path is invalid!\n\n$e"); | 
|  | return; | 
|  | } | 
|  | } |