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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 // Test optimization of byte array views on external data. | 5 // Test optimization of byte array views on external data. |
6 | 6 |
7 // Library tag to be able to run in html test framework. | 7 // Library tag to be able to run in html test framework. |
8 library ByteArrayViewOptimizedTest; | 8 library ByteArrayViewOptimizedTest; |
9 | 9 |
10 import "package:expect/expect.dart"; | 10 import "package:expect/expect.dart"; |
11 import "dart:typed_data"; | 11 import "dart:typed_data"; |
12 | 12 |
13 li16(v) => v[0]; | 13 li16(v) => v[0]; |
14 | 14 |
15 main() { | 15 main() { |
16 var a = new Uint8List(2); | 16 var a = new Uint8List(2); |
17 a[0] = a[1] = 0xff; | 17 a[0] = a[1] = 0xff; |
18 var b = new Int16List.view(a.buffer); | 18 var b = new Int16List.view(a.buffer); |
19 Expect.equals(-1, li16(b)); | 19 Expect.equals(-1, li16(b)); |
20 for (var i=0; i<10000; i++) li16(b); | 20 for (var i = 0; i < 10000; i++) li16(b); |
21 Expect.equals(-1, li16(b)); | 21 Expect.equals(-1, li16(b)); |
22 } | 22 } |
23 | |
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