| /* |
| * 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 [null] or 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 potentially constant |
| * expression. |
| * @description: Checks that constant list spread [...?] element cannot be |
| * non-constant, non-null and not list or set. |
| * @author iarkh@unipro.ru |
| */ |
| |
| List? l = []; |
| Set? s = {}; |
| |
| const Map? m1 = {1: 1}; |
| Map? m2 = {2: 2}; |
| |
| const int? i1 = 25; |
| int? i2 = 25; |
| |
| main() { |
| const List res1 = const [...?l]; |
| // [error line 28, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const List res2 = const [...?s]; |
| // [error line 32, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const List res3 = const [...?m1]; |
| // [error line 36, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const List res4 = const [...?m2]; |
| // [error line 40, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const List res5 = const [...?i1]; |
| // [error line 44, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| const List res6 = const [...?i2]; |
| // [error line 48, column 0] |
| // [analyzer] unspecified |
| // [cfe] unspecified |
| } |