| /* |
| * 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 Stream<T> where(bool test(T event)) |
| * Creates a new stream from this stream that discards some data events. |
| * The new stream sends the same error and done events as this stream, but it |
| * only sends the data events that satisfy the test. |
| * @description Checks that all stream events are checked by the test. |
| * Checks that the stream sends only the data events that satisfy the test. |
| * @author kaigorodov |
| */ |
| library where_A01_t01; |
| import "../../../Utils/expect.dart"; |
| |
| void test(CreateStreamFunction create) { |
| AsyncExpect.data([], create([]).where((e) => true)); |
| AsyncExpect.data([], create([]).where((e) => false)); |
| |
| AsyncExpect.data([null], create([1, 2, 3, null]).where((int? e) => e == null)); |
| AsyncExpect.data([3], create([1, 2, 3]).where((int e) => e > 2)); |
| AsyncExpect.data( |
| [30], |
| create(new Iterable.generate(10, (int i) => i * 5)).where((int e) => e == 30) |
| ); |
| AsyncExpect.data([1,3,5], create([1, 2, 3, 4, 5]).where((int e) => e.isOdd)); |
| AsyncExpect.data([2,4], create([1, 2, 3, 4, 5]).where((int e) => e.isEven)); |
| } |