| /* |
| * Copyright (c) 2019, 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 Let e be a setOrMapLiteral. |
| * If e has a context C, and the base type of C is Cbase (that is, Cbase is C |
| * with all wrapping FutureOrs removed), and Cbase is not ?, then let S be the |
| * greatest closure. |
| * ... |
| * if S is defined and is a subtype of Iterable<Object> and S is not a subtype |
| * of Map<Object, Object>, then e is a set literal. |
| * |
| * @description Checks that if s is an emptySetOrMapLiteral with no |
| * typeArguments and static context type C, then if S is a subtype of |
| * Iterable<Object> and S is not a subtype of Map<Object, Object>, then e is a |
| * set literal |
| * @issue 36209 |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=constant-update-2018 |
| import "../../Utils/expect.dart"; |
| |
| class C<T extends Iterable<Object>> { |
| T t = {}; |
| } |
| |
| main() { |
| Expect.isTrue(new C<Iterable<Object>>().t is Set); |
| } |