| // 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> take(int count) |
| /// ... |
| /// The returned Iterable may contain fewer than count elements, if this contains |
| /// fewer than count elements. |
| /// @description Checks that the returned Iterable may contain fewer than count |
| /// elements, if this contains fewer than count elements. |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float64x2 f64x2(v) => new Float64x2.splat(v); |
| |
| check(List<Float64x2> list, int count) { |
| var l = new Float64x2List.fromList(list); |
| var res = l.take(count); |
| Expect.equals(l.length, res.length); |
| for (int i = 0; i < l.length; ++i) { |
| Expect.equals(l[i].x, res.elementAt(i).x); |
| Expect.equals(l[i].y, res.elementAt(i).y); |
| } |
| Expect.throws(() { |
| res.elementAt(l.length); |
| }); |
| Expect.throws(() { |
| res.elementAt(count - 1); |
| }); |
| } |
| |
| main() { |
| check([], 3); |
| check( |
| [f64x2(6.0), f64x2(1.0), f64x2(4.0), f64x2(2.0), f64x2(5.0), f64x2(3.0)], |
| 7); |
| check([ |
| f64x2(6.0), f64x2(5.0), f64x2(4.0), f64x2(3.0), f64x2(2.0), |
| f64x2(1.0), f64x2(2.0), f64x2(3.0), f64x2(2.0), f64x2(5.0) |
| ], 20); |
| } |