| // 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 Effectively, each super parameters, super.p: |
| /// ... |
| /// Implicitly infers its type and default value, if not specified, if |
| /// applicable, from the associated super-constructor parameter that they are |
| /// forwarded to. |
| /// |
| /// @description Check that super parameter implicitly gets default value from |
| /// the associated super-constructor parameter that they are forwarded to. |
| /// @author sgrekhov@unipro.ru |
| |
| // SharedOptions=--enable-experiment=super-parameters |
| |
| import "../../Utils/expect.dart"; |
| |
| class S { |
| num s; |
| S([num n = 3.14]) : s = n + 1; |
| } |
| |
| class C extends S { |
| int c; |
| C(this.c, [super.s, int x = 42]); |
| } |
| |
| main() { |
| Expect.approxEquals(4.14, C(1).s); |
| } |
