| // Copyright (c) 2020, 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 We say that a type T0 is a subtype of a type T1 (written T0 <: T1) |
| /// when: |
| /// Left Legacy if T0 is S0* then: |
| /// - T0 <: T1 iff S0 <: T1. |
| /// @description Check that if type T0 is S0* and S0 <: T1 then T0 is subtype of |
| /// T1. |
| /// @author sgrekhov@unipro.ru |
| |
| // Requirements=nnbd-weak |
| import "../../utils/legacy_lib.dart"; |
| |
| class T1 { |
| const T1(); |
| } |
| class S0 extends T1 {} |
| |
| var t0Instance = getLegacyType<S0>(new S0()); |
| T1 t1Instance = new T1(); |
| |
| const t1Default = const T1(); |
| |
| //# @T0 = S0 |
| //# @T1 = T1 |
