| // Copyright (c) 2018, 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: |
| /// Super-Interface: T0 is an interface type with super-interfaces S0,...Sn |
| /// - and Si <: T1 for some i |
| /// @description Check that if there is no i, such that Si <: T1, then T0 is not |
| /// subtype of T1 |
| /// @author sgrekhov@unipro.ru |
| |
| class T1 { |
| const T1(); |
| } |
| |
| // Missing subtype relation to T1 |
| abstract class S0 {} |
| abstract class S1 {} |
| abstract class S2 {} |
| |
| abstract class T0 implements S0, S1, S2 {} |
| |
| class T implements T0 {} |
| |
| T0 t0Instance = new T(); |
| T1 t1Instance = new T1(); |
| |
| const t1Default = const T1(); |
| |
| //# @T0 = T0 |
| //# @T1 = T1 |
