| // Copyright (c) 2017, 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 'dart:async'; |
| import 'package:expect/expect.dart'; |
| |
| isCheckedMode() { |
| try { |
| dynamic i = 1; |
| String s = i; |
| return false; |
| } on TypeError { |
| return true; |
| } |
| } |
| |
| dynamic x = 'a'; |
| |
| Future<int> foo() async { |
| return x; |
| } |
| |
| Future<int> bar() async => x; |
| |
| main() { |
| foo().then((_) { |
| Expect.isFalse(isCheckedMode()); |
| }, onError: (e) { |
| Expect.isTrue(isCheckedMode() && (e is TypeError)); |
| }); |
| bar().then((_) { |
| Expect.isFalse(isCheckedMode()); |
| }, onError: (e) { |
| Expect.isTrue(isCheckedMode() && (e is TypeError)); |
| }); |
| } |