| // 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. |
| |
| // This exercises code not supported from version 3.3. |
| |
| import 'package:expect/expect.dart'; |
| |
| sealed class M {} |
| |
| class A extends M {} |
| |
| class B extends M {} |
| |
| class C extends M {} |
| |
| class D implements A, B {} |
| |
| method(M m) => switch (m) { |
| // ^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.NON_EXHAUSTIVE_SWITCH_EXPRESSION |
| // ^ |
| // [cfe] The type 'M' is not exhaustively matched by the switch cases since it doesn't match 'C()'. |
| A() as B => 0, |
| B() => 1, |
| }; |
| |
| main() { |
| Expect.throws(() => method(A())); |
| Expect.equals(1, method(B())); |
| Expect.throws(() => method(C())); |
| Expect.equals(0, method(D())); |
| } |
