| /* |
| * Copyright (c) 2018, 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 Let e1 … en be the constant element expressions of s in source |
| * order, and let v1 … vn be their respective constant values. Evaluation of s |
| * creates an unmodifiable object implementing Set<T> with v1 … vn as elements. |
| * When iterated, the set provides the values in the source order of the |
| * original expressions |
| * |
| * @description Checks that evaluation of s creates an unmodifiable object |
| * implementing Set<T> with v1 … vn as elements |
| * @author sgrekhov@unipro.ru |
| */ |
| import "../../Utils/expect.dart"; |
| |
| test(expected, actual) { |
| Expect.iterableEquals(expected, actual); |
| Expect.throws(() { |
| (actual as Set).clear(); |
| }); |
| } |
| |
| main() { |
| var v1 = const {1, 2 + 1, 3 - 1, }; |
| test({1, 3, 2}, v1); |
| |
| const v2 = {1, 2 + 1, 3 - 1, }; |
| test({1, 3, 2}, v2); |
| |
| const v3 = {'1', '2' + '1', "3 - 1", null,}; |
| test({'1', '21', '3 - 1', null}, v3); |
| |
| var v4 = const {'1', '2' + '1', "3 - 1", null}; |
| test({'1', '21', '3 - 1', null}, v4); |
| } |