| // Copyright (c) 2021, 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. |
| |
| /// @assertion The requirement that the condition in a boolean conditional |
| /// control expression (e.g. the a conditional statement, conditional element, |
| /// while loop, etc) be assignable to bool is unchanged from pre null-safe Dart. |
| /// |
| /// @description Checks that the static type of the condition must be assignable |
| /// to bool |
| /// |
| /// @author sgrekhov@unipro.ru |
| |
| import "../../Utils/expect.dart"; |
| |
| Never foo() { |
| throw "Never"; |
| } |
| |
| dynamic bar(x) => x; |
| |
| main() { |
| bool b = true; |
| if (b) {} |
| if (bar(true)) {} |
| Expect.throws(() { |
| if (bar("Lily was here")); |
| }); |
| Expect.throws(() { |
| if (foo()) {} |
| }); |
| Null n = null; |
| } |
