|  | // Copyright (c) 2023, 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. | 
|  | // SharedOptions=-Da=true -Db=false -Dc=NOTBOOL -Dd=True | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | main() { | 
|  | Expect.isTrue(bool.tryParse('true')); | 
|  | Expect.isFalse(bool.tryParse('false')); | 
|  | Expect.isTrue(bool.tryParse('TRUE', caseSensitive: false)); | 
|  | Expect.isFalse(bool.tryParse('FALSE', caseSensitive: false)); | 
|  | Expect.isNull(bool.tryParse('TRUE')); | 
|  | Expect.isNull(bool.tryParse('FALSE')); | 
|  | Expect.isNull(bool.tryParse('y')); | 
|  | Expect.isNull(bool.tryParse('n')); | 
|  | Expect.isNull(bool.tryParse(' true ', caseSensitive: false)); | 
|  | Expect.isNull(bool.tryParse(' false ', caseSensitive: false)); | 
|  | Expect.isNull(bool.tryParse('0', caseSensitive: true)); | 
|  | Expect.isNull(bool.tryParse('1', caseSensitive: true)); | 
|  | } |