| // Copyright (c) 2011, 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. |
| // Dart test program for testing index operators. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| class Helper { |
| static int fibonacci(int n) { |
| int a = 0, b = 1, i = 0; |
| while (i++ < n) { |
| a = a + b; |
| b = a - b; |
| } |
| return a; |
| } |
| } |
| |
| class IndexTest { |
| static const ID_IDLE = 0; |
| |
| static testMain() { |
| var a = new List(10); |
| Expect.equals(10, a.length); |
| for (int i = 0; i < a.length; i++) { |
| a[i] = Helper.fibonacci(i); |
| } |
| a[ID_IDLE] = Helper.fibonacci(0); |
| for (int i = 2; i < a.length; i++) { |
| Expect.equals(a[i - 2] + a[i - 1], a[i]); |
| } |
| Expect.equals(515, a[3] = 515); |
| } |
| } |
| |
| main() { |
| IndexTest.testMain(); |
| } |