| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion Future<T> first |
| /// Returns the first element of the stream. |
| /// @description Checks that the first element is returned. |
| /// @author kaigorodov |
| |
| library first_A01_t01; |
| import "../../../Utils/expect.dart"; |
| |
| void test(CreateStreamFunction create) { |
| AsyncExpect.value(123, create([123]).first); |
| AsyncExpect.value(1, create([1,2,3]).first); |
| } |