| // 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 Future<bool> any(bool test(T element)) |
| /// Checks whether test accepts any element provided by this stream. |
| /// Completes the Future when the answer is known. |
| /// @description Checks that correct answer is passed to the future. |
| /// @author kaigorodov |
| |
| library any_A01_t01; |
| import "../../../Utils/expect.dart"; |
| |
| void test(CreateStreamFunction create) { |
| AsyncExpect.value(false, create([]).any((element) => true)); |
| AsyncExpect.value(false, create([1, 2, 3]).any((int? e) => e == null)); |
| AsyncExpect.value(true, create([1, 2, 3, null]).any((int? e) => e == null)); |
| AsyncExpect.value( |
| false, |
| create( |
| new Iterable<int>.generate(0, (int index) => index * 2) |
| ).any((int element) => true) |
| ); |
| AsyncExpect.value( |
| true, |
| create( |
| new Iterable<int>.generate(10, (int index) => index * 5) |
| ).any((int element) => element == 30) |
| ); |
| } |