| // 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 'dart:html'; |
| import 'dart:typed_data'; |
| |
| import 'package:expect/minitest.dart'; |
| |
| const N = 1024; |
| |
| class _TestList { |
| _TestList(int n); |
| |
| operator[](int i) => i; |
| operator[]=(int i, v) {} |
| } |
| |
| _obfuscatedList() { |
| var a = new Uint8List(N); |
| var b = new _TestList(N); |
| var k = 0; |
| for (int i = 0; i < 10; ++i) { |
| k += i; |
| } |
| return (k == 45) ? a : b; |
| } |
| |
| main() { |
| // Only perform tests if ArrayBuffer is supported. |
| if (!Platform.supportsTypedData) { |
| return; |
| } |
| |
| test('outOfRangeAccess', () { |
| var a = _obfuscatedList(); |
| |
| expect(() => a[a.length], throws); |
| expect(() => a[a.length + 1], throws); |
| expect(() => a[a.length + N], throws); |
| |
| expect(() => a[-1], throws); |
| expect(() => a[1.5], throws); |
| expect(() => a['length'], throws); |
| |
| expect(() => a[a.length] = 0xdeadbeef, throws); |
| expect(() => a[a.length + 1] = 0xdeadbeef, throws); |
| expect(() => a[a.length + N] = 0xdeadbeef, throws); |
| |
| expect(() => a[-1] = 0xdeadbeef, throws); |
| expect(() => a[1.5] = 0xdeadbeef, throws); |
| expect(() => a['length'] = 1, throws); |
| }); |
| } |