| // 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> takeWhile(bool test(E value)) |
| /// ... |
| /// The elements can be computed by stepping through iterator until an element |
| /// is found where test(element) is false. At that point, the returned iterable |
| /// stops (its moveNext() returns false). |
| /// @description Checks that the elements can be computed by stepping through |
| /// iterator until an element is found where test(element) is false. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float64x2 f64x2(v) => new Float64x2.splat(v); |
| |
| main() { |
| List<Float64x2> list = [ |
| f64x2(1.0), f64x2(2.0), f64x2(3.0), f64x2(4.0), f64x2(5.0), f64x2(6.0) |
| ]; |
| var l = new Float64x2List.fromList(list); |
| var counter = 0; |
| bool test(e) { |
| counter++; |
| return e.x < 3.0; |
| } |
| var res = l.takeWhile(test); |
| |
| var it = res.iterator; |
| while (it.moveNext()) { |
| } |
| Expect.equals(3, counter); |
| } |