| /* |
| * Copyright (c) 2013, 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. |
| * Throws a StateError if this is empty. Otherwise returns the first element |
| * in the iteration order, equivalent to this.elementAt(0). |
| * @description Checks that the getter returns the first element in the |
| * iteration order, equivalent to this.elementAt(0). |
| * @author msyabro |
| */ |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| void check(List<double> array) { |
| var l = new Float32List.fromList(array); |
| Expect.equals((l.iterator..moveNext()).current, l.first); |
| Expect.equals(l.elementAt(0), l.first); |
| } |
| |
| void checkClear(int length) { |
| var l = new Float32List(length); |
| Expect.equals((l.iterator..moveNext()).current, l.first); |
| Expect.equals(l.elementAt(0), l.first); |
| } |
| |
| main() { |
| check([1.0]); |
| check([1.0, 2.0, 3.0, 4.0, 5.0]); |
| check([ |
| 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, |
| 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, |
| 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, |
| 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, |
| 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, |
| 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, |
| 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 |
| ]); |
| checkClear(1); |
| checkClear(100); |
| } |