| // 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 From the Unified collection Spec: |
| * A spreadElement starting with [...] is a constant element if its expression |
| * is constant and it evaluates to a constant List, Set or Map instance |
| * originally created by a list, set or map literal. It is a potentially |
| * constant element if the expression is a potentially constant expression. |
| * @description: Checks that constant map spread element can be [List], [Set], |
| * [int] or [null]. |
| * @author iarkh@unipro.ru |
| */ |
| |
| main() { |
| const Map res1 = const {...{1, 3}}; |
| // ^^^^^^^^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const Map res2 = const {...[]}; |
| // ^^^^^^^^^^^^^ |
| // [analyzer] COMPILE_TIME_ERROR.INVALID_ASSIGNMENT |
| // [cfe] Both Iterable and Map spread elements encountered in ambiguous literal. |
| const Map res3 = const {...44}; |
| // ^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const Map res4 = const {...<int>{}}; |
| // ^^^^^^^^^^^^^^^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const Map res5 = const {...null}; |
| // ^^^^ |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |
