| // Copyright (c) 2017, 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 Iterable<E> skipWhile(bool test(E value)) |
| * ... |
| * The filtering happens lazily. |
| * @description Checks that the filtering happens lazily. |
| * @author ngl@unipro.ru |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float64x2 f64x2(v) => new Float64x2.splat(v); |
| |
| main() { |
| Float64x2List l = new Float64x2List.fromList( |
| [f64x2(0.0), f64x2(1.0), f64x2(2.0), f64x2(3.0), f64x2(4.0)]); |
| var count = 0; |
| test1(e) { |
| count++; |
| return false; |
| } |
| bool test2(Float64x2 e) { |
| count++; |
| return e.x < 1; |
| } |
| var res = l.skipWhile(test1); |
| Expect.equals(0, count); |
| res.elementAt(0); |
| Expect.equals(1, count); |
| res.elementAt(3); |
| Expect.equals(2, count); |
| res.elementAt(1); |
| Expect.equals(3, count); |
| |
| count = 0; |
| res = l.skipWhile(test2); |
| Expect.equals(0, count); |
| res.elementAt(0); |
| Expect.equals(2, count); |
| res.elementAt(3); |
| Expect.equals(4, count); |
| res.elementAt(1); |
| Expect.equals(6, count); |
| } |