| // Copyright (c) 2012, 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. | 
 |  | 
 | import "package:expect/expect.dart"; | 
 |  | 
 | main() { | 
 |   var a; | 
 |   a = []; | 
 |   a.add(499); | 
 |   Expect.equals(1, a.length); | 
 |   Expect.equals(499, a[0]); | 
 |   a.clear(); | 
 |   Expect.equals(0, a.length); | 
 |   Expect.throwsRangeError(() => a[0]); | 
 |  | 
 |   a = new List<int?>.filled(42, null).toList(); | 
 |   Expect.equals(42, a.length); | 
 |   a.add(499); | 
 |   Expect.equals(43, a.length); | 
 |   Expect.equals(499, a[42]); | 
 |   Expect.equals(null, a[23]); | 
 |   a.clear(); | 
 |   Expect.equals(0, a.length); | 
 |   Expect.throwsRangeError(() => a[0]); | 
 |  | 
 |   a = new List<int?>.filled(42, null).toList(); | 
 |   Expect.equals(42, a.length); | 
 |   a.add(499); | 
 |   Expect.equals(43, a.length); | 
 |   Expect.equals(499, a[42]); | 
 |   for (int i = 0; i < 42; i++) { | 
 |     Expect.equals(null, a[i]); | 
 |   } | 
 |   a.clear(); | 
 |   Expect.equals(0, a.length); | 
 |   Expect.throwsRangeError(() => a[0]); | 
 | } |