|  | // Copyright (c) 2019, 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:_fe_analyzer_shared/src/messages/severity.dart' show Severity; | 
|  |  | 
|  | /// Test that Severity has the expected indexes. Note that this is important | 
|  | /// and shouldn't be changed lightly because we use it in serialization! | 
|  | main() { | 
|  | expect(Severity.context.index, 0); | 
|  | expect(Severity.error.index, 1); | 
|  | expect(Severity.internalProblem.index, 3); | 
|  | expect(Severity.warning.index, 4); | 
|  |  | 
|  | expect(Severity.values[0], Severity.context); | 
|  | expect(Severity.values[1], Severity.error); | 
|  | expect(Severity.values[3], Severity.internalProblem); | 
|  | expect(Severity.values[4], Severity.warning); | 
|  | } | 
|  |  | 
|  | void expect(Object actual, Object expect) { | 
|  | if (expect != actual) throw "Expected $expect got $actual"; | 
|  | } |