| /* |
| * 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: |
| * ... |
| * The expansion is: |
| * - The then element if the condition expression evaluates to true. |
| * - The else element if the condition is false and there is one. |
| * - Otherwise, the if element expands to nothing. |
| * |
| * @description Checks that the expansion is the then element if the condition |
| * expression evaluates to true. |
| * @author ngl@unipro.ru |
| */ |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| const t = true; |
| const int x = 1; |
| List<int> list1 = const [if (t) x else x + 10, 2]; |
| Expect.listEquals([1, 2], list1); |
| const List<int> list2 = [if (t) x + 1 else x + 11, x]; |
| Expect.listEquals([2, 1], list2); |
| var list3 = const [if (t) x else x + 12, 1]; |
| Expect.listEquals([1, 1], list3); |
| var list4 = const <int>[if (t) x else x + 13, 3]; |
| Expect.listEquals([1, 3], list4); |
| const list5 = [if (t) x else x + 14, 2]; |
| Expect.listEquals([1, 2], list5); |
| |
| Set<int> set1 = const {if (t) x else x + 10, -1}; |
| Expect.setEquals({1, -1}, set1); |
| const Set<int> set2 = {if (t) x - 1 else x + 11, -1}; |
| Expect.setEquals({0, -1}, set2); |
| var set3 = const {if (t) x else x + 12, -1}; |
| Expect.setEquals({1, -1}, set3); |
| var set4 = const <int>{if (t) x + 1 else x + 13, -1}; |
| Expect.setEquals({2, -1}, set4); |
| const set5 = {if (t) x else x + 14, -1}; |
| Expect.setEquals({1, -1}, set5); |
| |
| Map<int, String> map1 = const {if (t) x - 1: "0" else x + 10: "11"}; |
| Expect.mapEquals({0: "0"}, map1); |
| const Map<int, String> map2 = {if (t) x: "1" else x + 11: "12"}; |
| Expect.mapEquals({1: "1"}, map2); |
| var map3 = const {if (t) x + 1: "2" else x + 12: "13"}; |
| Expect.mapEquals({2: "2"}, map3); |
| var map4 = const <int, String>{if (t) x: "x" else x + 13: "14"}; |
| Expect.mapEquals({1: "x"}, map4); |
| const map5 = {if (t) x + 2: "3" else x + 14: "15"}; |
| Expect.mapEquals({3: "3"}, map5); |
| } |