| // Copyright (c) 2024, 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. | 
 |  | 
 | // Requirements=nnbd-weak | 
 | // dart2jsOptions=--experiment-null-safety-checks | 
 | // ddcOptions=--weak-null-safety-errors | 
 |  | 
 | import 'package:dart2js_runtime_metrics/null_safety.dart'; | 
 | import 'package:expect/expect.dart'; | 
 |  | 
 | void main() { | 
 |   onExtraNullSafetyError = (e, _) { | 
 |     throw e; | 
 |   }; | 
 |  | 
 |   Expect.throwsTypeError(() => [1, 2, null] is List<int>); | 
 |  | 
 |   final getInt = () => null; | 
 |   Expect.throwsTypeError(() => getInt as int Function()); | 
 |  | 
 |   Expect.throwsTypeError(() => [1, 2, null] as List<int>); | 
 |  | 
 |   Expect.throwsTypeError(() => null as String); | 
 |  | 
 |   Expect.throwsTypeError(() => null as Object); | 
 | } |