| /* |
| * 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 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 Map<Object, Object> and S is not a |
| * subtype of Iterable<Object> then e is a map literal. |
| * |
| * @description Checks that if s is an emptySetOrMapLiteral with no |
| * typeArguments, then if S is a subtype of Map<Object, Object> and S is not a |
| * subtype of Iterable<Object> then e is a map literal. |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=constant-update-2018 |
| import "dart:async"; |
| import "../../Utils/expect.dart"; |
| |
| dynamic test() => {}; |
| Map<int, String> test2() => {}; |
| Map<Object, Object> test3() => {}; |
| FutureOr<Map> test4() => {}; |
| |
| main() { |
| Expect.isTrue(test() is Map); |
| Expect.isTrue(test2() is Map); |
| Expect.isTrue(test3() is Map); |
| Expect.isTrue(test4() is Map); |
| } |