| /* |
| * 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 An if element: |
| * ... |
| * It is a compile-time error if the condition evaluates to true and the then |
| * expression is not a constant expression. |
| * |
| * @description Checks that it is a compile-time error if the condition |
| * evaluates to true and the then expression is not a constant expression. |
| * @author ngl@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=constant-update-2018 |
| main() { |
| const t = true; |
| var x = 1; |
| List<int> list1 = const [if (t) x]; //# 01: compile-time error |
| const List<int> list2 = [if (t) x + 1]; //# 02: compile-time error |
| var list3 = const [if (t) x]; //# 03: compile-time error |
| var list4 = const <int>[if (t) x]; //# 04: compile-time error |
| const list5 = [if (t) x]; //# 05: compile-time error |
| |
| Set<int> set1 = const {if (t) x, -1}; //# 06: compile-time error |
| const Set<int> set2 = {if (t) x - 1, -1}; //# 07: compile-time error |
| var set3 = const {if (t) x, -1}; //# 08: compile-time error |
| var set4 = const <int>{if (t) x + 1, -1}; //# 09: compile-time error |
| const set5 = {if (t) x, -1}; //# 10: compile-time error |
| |
| Map<int, String> map1 = const {if (t) x - 1: "0"}; //# 11: compile-time error |
| const Map<int, String> map2 = {if (t) x: "1"}; //# 12: compile-time error |
| var map3 = const {if (t) x + 1: "2"}; //# 13: compile-time error |
| var map4 = const <int, String>{if (t) x: "x"}; //# 14: compile-time error |
| const map5 = {if (t) x + 2: "3"}; //# 15: compile-time error |
| } |
