| // 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 E first |
| /// ... |
| /// Otherwise returns the first element in the iteration order, equivalent to |
| /// this.elementAt(0). |
| /// @description Checks that this method is equivalent to this.elementAt(0). |
| /// @author ngl@unipro.ru |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float64x2 f64x2(v) => new Float64x2.splat(v); |
| |
| void check(List<Float64x2> list) { |
| var l = new Float64x2List.fromList(list); |
| Expect.equals(l.elementAt(0).x, l.first.x); |
| Expect.equals(l.elementAt(0).y, l.first.y); |
| } |
| |
| void checkClear(length) { |
| var l = new Float64x2List(length); |
| Expect.equals(l.elementAt(0).x, l.first.x); |
| Expect.equals(l.elementAt(0).y, l.first.y); |
| } |
| |
| main() { |
| check([f64x2(1.0)]); |
| check([f64x2(1.0), f64x2(2.0), f64x2(3.0), f64x2(4.0), f64x2(5.0)]); |
| check([ |
| f64x2(1.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), |
| f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), f64x2(0.0), |
| f64x2(0.0), f64x2(0.0), f64x2(0.0) |
| ]); |
| |
| checkClear(1); |
| checkClear(100); |
| } |