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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 import "dart:async"; | 5 import "dart:async"; |
6 import "dart:io"; | 6 import "dart:io"; |
7 | 7 |
8 void test() { | 8 void test() { |
9 // Code point U+10FFFF is the largest code point supported by Dart. | 9 // Code point U+10FFFF is the largest code point supported by Dart. |
10 var controller = new StreamController(); | 10 var controller = new StreamController(); |
11 controller.add([0xf0, 0x90, 0x80, 0x80]); // U+10000 | 11 controller.add([0xf0, 0x90, 0x80, 0x80]); // U+10000 |
12 controller.add([0xf4, 0x8f, 0xbf, 0xbf]); // U+10FFFF | 12 controller.add([0xf4, 0x8f, 0xbf, 0xbf]); // U+10FFFF |
13 controller.add([0xf4, 0x90, 0x80, 0x80]); // U+110000 | 13 controller.add([0xf4, 0x90, 0x80, 0x80]); // U+110000 |
14 controller.add([0xfa, 0x80, 0x80, 0x80, 0x80]); // U+2000000 | 14 controller.add([0xfa, 0x80, 0x80, 0x80, 0x80]); // U+2000000 |
15 controller.add([0xfd, 0x80, 0x80, 0x80, 0x80, 0x80]); // U+40000000 | 15 controller.add([0xfd, 0x80, 0x80, 0x80, 0x80, 0x80]); // U+40000000 |
16 controller.close(); | 16 controller.close(); |
17 | 17 |
18 var decoder = new StringDecoder(Encoding.UTF_8, '?'.charCodeAt(0)); | 18 var decoder = new StringDecoder(Encoding.UTF_8, '?'.codeUnitAt(0)); |
19 var stream = controller.stream.transform(decoder); | 19 var stream = controller.stream.transform(decoder); |
20 stream.reduce( | 20 stream.reduce( |
21 new StringBuffer(), | 21 new StringBuffer(), |
22 (b, e) { | 22 (b, e) { |
23 b.add(e); | 23 b.add(e); |
24 return b; | 24 return b; |
25 }) | 25 }) |
26 .then((b) => b.toString()) | 26 .then((b) => b.toString()) |
27 .then((decoded) { | 27 .then((decoded) { |
28 Expect.equals(7, decoded.length); | 28 Expect.equals(7, decoded.length); |
29 | 29 |
30 var replacementChar = '?'.charCodeAt(0); | 30 var replacementChar = '?'.codeUnitAt(0); |
31 Expect.equals(0xd800, decoded.charCodeAt(0)); | 31 Expect.equals(0xd800, decoded.codeUnitAt(0)); |
32 Expect.equals(0xdc00, decoded.charCodeAt(1)); | 32 Expect.equals(0xdc00, decoded.codeUnitAt(1)); |
33 Expect.equals(0xdbff, decoded.charCodeAt(2)); | 33 Expect.equals(0xdbff, decoded.codeUnitAt(2)); |
34 Expect.equals(0xdfff, decoded.charCodeAt(3)); | 34 Expect.equals(0xdfff, decoded.codeUnitAt(3)); |
35 Expect.equals(replacementChar, decoded.charCodeAt(4)); | 35 Expect.equals(replacementChar, decoded.codeUnitAt(4)); |
36 Expect.equals(replacementChar, decoded.charCodeAt(5)); | 36 Expect.equals(replacementChar, decoded.codeUnitAt(5)); |
37 Expect.equals(replacementChar, decoded.charCodeAt(6)); | 37 Expect.equals(replacementChar, decoded.codeUnitAt(6)); |
38 }); | 38 }); |
39 } | 39 } |
40 | 40 |
41 void testInvalid() { | 41 void testInvalid() { |
42 void invalid(var bytes, var outputLength) { | 42 void invalid(var bytes, var outputLength) { |
43 var controller = new StreamController(); | 43 var controller = new StreamController(); |
44 controller.add(bytes); | 44 controller.add(bytes); |
45 controller.close(); | 45 controller.close(); |
46 controller.stream.transform(new StringDecoder()).listen((string) { | 46 controller.stream.transform(new StringDecoder()).listen((string) { |
47 Expect.equals(outputLength, string.length); | 47 Expect.equals(outputLength, string.length); |
48 for (var i = 0; i < outputLength; i++) { | 48 for (var i = 0; i < outputLength; i++) { |
49 Expect.equals(0xFFFD, string.charCodeAt(i)); | 49 Expect.equals(0xFFFD, string.codeUnitAt(i)); |
50 } | 50 } |
51 }); | 51 }); |
52 } | 52 } |
53 | 53 |
54 invalid([0x80], 1); | 54 invalid([0x80], 1); |
55 invalid([0xff], 1); | 55 invalid([0xff], 1); |
56 invalid([0xf0, 0xc0], 1); | 56 invalid([0xf0, 0xc0], 1); |
57 invalid([0xc0, 0x80], 1); | 57 invalid([0xc0, 0x80], 1); |
58 invalid([0xfd, 0x80, 0x80], 3); // Unfinished encoding. | 58 invalid([0xfd, 0x80, 0x80], 3); // Unfinished encoding. |
59 } | 59 } |
60 | 60 |
61 void main() { | 61 void main() { |
62 test(); | 62 test(); |
63 testInvalid(); | 63 testInvalid(); |
64 } | 64 } |
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