| /* |
| * 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 |
| * @author sgrekhov@unipro.ru |
| */ |
| import "dart:async"; |
| import "../../Utils/expect.dart"; |
| |
| dynamic set = {1, 2}; |
| |
| Set<Object> test() => {...set}; |
| Iterable<int> test2() => {...set}; |
| FutureOr<Iterable<int>> test3() => {...set}; |
| Set<int> test4() => {...set}; |
| |
| main() { |
| Expect.isTrue(test() is Set); |
| Expect.isTrue(test2() is Set); |
| Expect.isTrue(test3() is Set); |
| Expect.isTrue(test4() is Set); |
| |
| Iterable<Object> o = {...set}; |
| Expect.isTrue(o is Set); |
| } |