| // 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 |
| /// Returns the first element. |
| /// @description Checks that the first element of a list is returned. |
| /// @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[0].x, l.first.x); |
| Expect.equals(l[0].y, l.first.y); |
| } |
| |
| void checkClear(length) { |
| var l = new Float64x2List(length); |
| Expect.equals(0, l.first.x); |
| Expect.equals(0, 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(10.0), f64x2(11.0), f64x2(12.0), f64x2(13.0), f64x2(14.0), |
| f64x2(15.0), f64x2(16.0), f64x2(17.0) |
| ]); |
| |
| checkClear(1); |
| checkClear(100); |
| } |