| /* |
| * 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 collections Specification: |
| * If the literal is constant, canonicalize it make the set immutable. |
| * @description Checks that non-constant set is not cannonicalized and mutable. |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=constant-update-2018 |
| |
| import "../../Utils/expect.dart"; |
| |
| const List list1 = [1, 2, 3, 4, 5]; |
| const List list2 = []; |
| |
| const Set set1 = {1, 2, 3, 4, 5}; |
| const Set set2 = {}; |
| |
| main() { |
| Set res1 = {...?list1}; |
| Expect.notEquals(set1, res1); |
| res1.add(123); |
| |
| Set res2 = {...?set1}; |
| Expect.notEquals(set1, res2); |
| res2.add(14); |
| |
| Set res3 = {...?list2}; |
| Expect.notEquals(set2, res3); |
| res3.add(123); |
| |
| Set res4 = {...?set2}; |
| Expect.notEquals(set2, res4); |
| res4.add(123); |
| |
| Set res5 = {...?null}; |
| Expect.notEquals(set2, res5); |
| res5.add(-8); |
| } |