| // Copyright (c) 2016, 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 E lookup(Object object) |
| /// If an object equal to object is in the set, return it. |
| /// Checks if there is an object in the set that is equal to object. If so, that |
| /// object is returned, otherwise returns null. |
| /// @description Checks that it returns |
| /// @author sgrekhov@unipro.ru |
| |
| library lookup_A01_t01; |
| import "set.lib.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| test(Set create([Iterable content])) { |
| Set set = create([-1, 0, 1, 2, 3, 4, 5, 6]); |
| |
| Expect.equals(0, set.lookup(0)); |
| Expect.isNull(set.lookup(-2)); |
| Expect.isNull(set.lookup(0.5)); |
| } |
| |
| main() { |
| test(create); |
| } |