|  | // 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]); | 
|  | } |