| /* |
| * Copyright (c) 2011, 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 abstract Set<E> intersection(Set<Object> other) |
| * Passing null as argument results in Error. |
| * @description Checks that either an Error is thrown or empty Set is returned |
| * if the argument is null. |
| * Both empty and non-empty Sets are tested. |
| * @author rodionov |
| */ |
| library intersection_A02_t01; |
| import "set.lib.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(Set create([Iterable content]), Set s) { |
| var res = new Set.from([1]); |
| try { |
| res = s.intersection(null); |
| } on Error { |
| return; |
| } |
| Expect.isTrue(res.isEmpty); |
| } |
| |
| test(Set create([Iterable content])) { |
| check(create, create([])); |
| check(create, create([1, 2, 3])); |
| } |
| |
| main() { |
| test(create); |
| } |