| /* |
| * 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 reduce(E combine(E previousValue, E element)) |
| * Reduces a collection to a single value by iteratively combining |
| * elements of the collection using the provided function. |
| * @description Checks that the returned value is correct. |
| * @author msyabro |
| */ |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| check(list, expected) { |
| var l = new Float32List.fromList(list); |
| var res = l.reduce((prev, cur) => prev + cur); |
| Expect.equals(expected, res); |
| } |
| |
| checkConst(list, expected) { |
| var l = new Float32List.fromList(list); |
| var res = l.reduce((prev, cur) => 1); |
| Expect.equals(expected, res); |
| } |
| |
| |
| main() { |
| check([1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0], 55.0); |
| check([10.0, -1.0, -2.0, -3.0, -4.0], 0.0); |
| |
| checkConst([1.0, 2.0, 3.0], 1.0); |
| } |