| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @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 cannot be non-constant, |
| /// cannot be [null] and cannot be [List], [Set] or [int]. |
| /// @author iarkh@unipro.ru |
| |
| |
| const l1 = []; |
| List l2 = []; |
| |
| const s1 = {11}; |
| Set s2 = {}; |
| |
| Map m = {2: 2}; |
| |
| const int i1 = 25; |
| int i2 = 25; |
| |
| const n = null; |
| |
| main() { |
| const Map res1 = const {...l1}; //# 01: compile-time error |
| const Map res2 = const {...l2}; //# 02: compile-time error |
| const Map res3 = const {...s1}; //# 03: compile-time error |
| const Map res4 = const {...s2}; //# 04: compile-time error |
| const Map res5 = const {...m}; //# 05: compile-time error |
| const Map res6 = const {...i1}; //# 06: compile-time error |
| const Map res7 = const {...i2}; //# 07: compile-time error |
| const Map res8 = const {...n}; //# 08: compile-time error |
| } |