OLD | NEW |
1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 library TypedArrays2Test; | 5 library TypedArrays2Test; |
| 6 |
6 import 'package:unittest/unittest.dart'; | 7 import 'package:unittest/unittest.dart'; |
7 import 'package:unittest/html_config.dart'; | 8 import 'package:unittest/html_config.dart'; |
8 import 'dart:html'; | 9 import 'dart:html'; |
9 import 'dart:typed_data'; | 10 import 'dart:typed_data'; |
10 | 11 |
11 main() { | 12 main() { |
12 useHtmlConfiguration(); | 13 useHtmlConfiguration(); |
13 | 14 |
14 // Only perform tests if ArrayBuffer is supported. | 15 // Only perform tests if ArrayBuffer is supported. |
15 if (!Platform.supportsTypedData) { | 16 if (!Platform.supportsTypedData) { |
16 return; | 17 return; |
17 } | 18 } |
18 | 19 |
19 test('viewTest_dynamic', () { | 20 test('viewTest_dynamic', () { |
20 var a1 = new Uint8List(1024); | 21 var a1 = new Uint8List(1024); |
21 for (int i = 0; i < a1.length; i++) { | 22 for (int i = 0; i < a1.length; i++) { |
22 a1[i] = i; // 0,1,2,...,254,255,0,1,2,... | 23 a1[i] = i; // 0,1,2,...,254,255,0,1,2,... |
23 } | 24 } |
24 | 25 |
25 var a2 = new Uint32List.view(a1.buffer); | 26 var a2 = new Uint32List.view(a1.buffer); |
26 expect(1024 ~/ 4, a2.length); | 27 expect(1024 ~/ 4, a2.length); |
27 expect(a2[0], 0x03020100); | 28 expect(a2[0], 0x03020100); |
28 expect(a2[1], 0x07060504); | 29 expect(a2[1], 0x07060504); |
29 expect(a2[2], 0x0B0A0908); | 30 expect(a2[2], 0x0B0A0908); |
30 expect(a2[50], 0xCBCAC9C8); | 31 expect(a2[50], 0xCBCAC9C8); |
31 expect(a2[51], 0xCFCECDCC); | 32 expect(a2[51], 0xCFCECDCC); |
32 expect(a2[64], 0x03020100); | 33 expect(a2[64], 0x03020100); |
33 | 34 |
34 a2 = new Uint32List.view(a1.buffer, 200); | 35 a2 = new Uint32List.view(a1.buffer, 200); |
35 expect(a2.length, (1024 - 200) ~/ 4); | 36 expect(a2.length, (1024 - 200) ~/ 4); |
36 expect(a2[0], 0xCBCAC9C8); | 37 expect(a2[0], 0xCBCAC9C8); |
37 expect(a2[1], 0xCFCECDCC); | 38 expect(a2[1], 0xCFCECDCC); |
38 expect(a2[14], 0x03020100); | 39 expect(a2[14], 0x03020100); |
39 | 40 |
40 a2 = new Uint32List.view(a1.buffer, 456, 20); | 41 a2 = new Uint32List.view(a1.buffer, 456, 20); |
41 expect(a2.length, 20); | 42 expect(a2.length, 20); |
42 expect(a2[0], 0xCBCAC9C8); | 43 expect(a2[0], 0xCBCAC9C8); |
43 expect(a2[1], 0xCFCECDCC); | 44 expect(a2[1], 0xCFCECDCC); |
44 expect(a2[14], 0x03020100); | 45 expect(a2[14], 0x03020100); |
45 | 46 |
46 // OPTIONALS a2 = new Uint32List.view(a1.buffer, length: 30, byteOffset: 4
56); | 47 // OPTIONALS a2 = new Uint32List.view(a1.buffer, length: 30, byteOffset: 456
); |
47 a2 = new Uint32List.view(a1.buffer, 456, 30); | 48 a2 = new Uint32List.view(a1.buffer, 456, 30); |
48 expect(a2.length, 30); | 49 expect(a2.length, 30); |
49 expect(a2[0], 0xCBCAC9C8); | 50 expect(a2[0], 0xCBCAC9C8); |
50 expect(a2[1], 0xCFCECDCC); | 51 expect(a2[1], 0xCFCECDCC); |
51 expect(a2[14], 0x03020100); | 52 expect(a2[14], 0x03020100); |
52 }); | 53 }); |
53 | 54 |
54 test('viewTest_typed', () { | 55 test('viewTest_typed', () { |
55 Uint8List a1 = new Uint8List(1024); | 56 Uint8List a1 = new Uint8List(1024); |
56 for (int i = 0; i < a1.length; i++) { | 57 for (int i = 0; i < a1.length; i++) { |
57 a1[i] = i; | 58 a1[i] = i; |
58 } | 59 } |
59 | 60 |
60 Uint32List a2 = new Uint32List.view(a1.buffer); | 61 Uint32List a2 = new Uint32List.view(a1.buffer); |
61 expect(a2.length, 1024 ~/ 4); | 62 expect(a2.length, 1024 ~/ 4); |
62 expect(a2[0], 0x03020100); | 63 expect(a2[0], 0x03020100); |
63 expect(a2[50], 0xCBCAC9C8); | 64 expect(a2[50], 0xCBCAC9C8); |
64 expect(a2[51], 0xCFCECDCC); | 65 expect(a2[51], 0xCFCECDCC); |
65 expect(a2[64], 0x03020100); | 66 expect(a2[64], 0x03020100); |
66 | 67 |
67 a2 = new Uint32List.view(a1.buffer, 200); | 68 a2 = new Uint32List.view(a1.buffer, 200); |
68 expect(a2.length, (1024 - 200) ~/ 4); | 69 expect(a2.length, (1024 - 200) ~/ 4); |
69 expect(a2[0], 0xCBCAC9C8); | 70 expect(a2[0], 0xCBCAC9C8); |
70 expect(a2[1], 0xCFCECDCC); | 71 expect(a2[1], 0xCFCECDCC); |
71 expect(a2[14], 0x03020100); | 72 expect(a2[14], 0x03020100); |
72 | 73 |
73 a2 = new Uint32List.view(a1.buffer, 456, 20); | 74 a2 = new Uint32List.view(a1.buffer, 456, 20); |
74 expect(20, a2.length); | 75 expect(20, a2.length); |
75 expect(a2[0], 0xCBCAC9C8); | 76 expect(a2[0], 0xCBCAC9C8); |
76 expect(a2[1], 0xCFCECDCC); | 77 expect(a2[1], 0xCFCECDCC); |
77 expect(a2[14], 0x03020100); | 78 expect(a2[14], 0x03020100); |
78 | 79 |
79 // OPTIONALS a2 = new Uint32List.view(a1.buffer, length: 30, byteOffset: 4
56); | 80 // OPTIONALS a2 = new Uint32List.view(a1.buffer, length: 30, byteOffset: 456
); |
80 a2 = new Uint32List.view(a1.buffer, 456, 30); | 81 a2 = new Uint32List.view(a1.buffer, 456, 30); |
81 expect(a2.length, 30); | 82 expect(a2.length, 30); |
82 expect(a2[0], 0xCBCAC9C8); | 83 expect(a2[0], 0xCBCAC9C8); |
83 expect(a2[1], 0xCFCECDCC); | 84 expect(a2[1], 0xCFCECDCC); |
84 expect(a2[14], 0x03020100); | 85 expect(a2[14], 0x03020100); |
85 }); | 86 }); |
86 } | 87 } |
OLD | NEW |