| // 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 Iterable<T> map<t>(T f(E e)) |
| /// Returns a new lazy [Iterable] with elements that are created by calling f on |
| /// each element of this Iterable in iteration order. |
| /// @description Checks that the correct [Iterable] is returned. |
| /// @author msyabro |
| |
| |
| import "dart:typed_data"; |
| import "../../../Utils/expect.dart"; |
| |
| Float32x4 pack(v) => new Float32x4.splat(v); |
| |
| equal(obj1, obj2) { |
| var res = obj1.equal(obj2); |
| return res.flagX && res.flagY && res.flagZ && res.flagW; |
| } |
| |
| main() { |
| var l = new Float32x4List.fromList([ |
| pack(1.0), pack(2.0), pack(6.0), pack(10.0), pack(3.0), pack(0.0), |
| pack(8.0) |
| ]); |
| var res = l.map((e) => e.x); |
| |
| for (int i = 0; i < l.length; ++i) { |
| Expect.equals(l[i].x, res.elementAt(i)); |
| } |
| |
| l = new Float32x4List.fromList([]); |
| res = l.map((e) => 0.0); |
| Expect.isTrue(res.isEmpty); |
| |
| l = new Float32x4List.fromList([ |
| pack(1.0), pack(2.0), pack(3.0), pack(4.0), pack(5.0), pack(6.0), |
| pack(7.0), pack(8.0), pack(9.0), pack(10.0) |
| ]); |
| res = l.map((e) => 1.0 ); |
| for (int i = 0; i < l.length; ++i) { |
| Expect.equals(1.0, res.elementAt(i)); |
| } |
| |
| } |