tests/standalone/io/string_decoder_test.dart - Issue 22872012: Remove Encoding-enum from dart:io and add interface in dart:convert.

Side by Side Diff: tests/standalone/io/string_decoder_test.dart

Issue 22872012: Remove Encoding-enum from dart:io and add interface in dart:convert. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Fix ddbg. Created 7 years, 3 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch | Annotate | Revision Log

OLD	NEW
	(Empty)
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

3 // BSD-style license that can be found in the LICENSE file.

4

5 import "package:expect/expect.dart";

6 import "dart:async";

7 import "dart:io";

8

9 const UNICODE_REPLACEMENT_CHARACTER_RUNE = 0xFFFD;

10

11 void testTransform() {

12 // Code point U+10FFFF is the largest code point supported by Dart.

13 var controller = new StreamController(sync: true);

14 controller.add([0xf0, 0x90, 0x80, 0x80]); // U+10000

15 controller.add([0xf4, 0x8f, 0xbf, 0xbf]); // U+10FFFF

16 controller.add([0xf4, 0x90, 0x80, 0x80]); // U+110000

17 controller.add([0xfa, 0x80, 0x80, 0x80, 0x80]); // U+2000000

18 controller.add([0xfd, 0x80, 0x80, 0x80, 0x80, 0x80]); // U+40000000

19 controller.close();

20

21 var decoder = new StringDecoder(Encoding.UTF_8);

22 var stream = controller.stream.transform(decoder);

23 stream.fold(

24 new StringBuffer(),

25 (b, e) {

26 b.write(e);

27 return b;

28 })

29 .then((b) => b.toString())

30 .then((decoded) {

31 Expect.equals(16, decoded.length);

32

33 var replacementChar = UNICODE_REPLACEMENT_CHARACTER_RUNE;

34 Expect.equals(0xd800, decoded.codeUnitAt(0));

35 Expect.equals(0xdc00, decoded.codeUnitAt(1));

36 Expect.equals(0xdbff, decoded.codeUnitAt(2));

37 Expect.equals(0xdfff, decoded.codeUnitAt(3));

38 for (int i = 4; i < 16; i++) {

39 Expect.equals(replacementChar, decoded.codeUnitAt(i));

40 }

41 });

42 }

43

44 void testDecode() {

45 // Code point U+10FFFF is the largest code point supported by Dart.

46 var controller = new StreamController(sync: true);

47 controller.add([0xf0, 0x90, 0x80, 0x80]); // U+10000

48 controller.add([0xf4, 0x8f, 0xbf, 0xbf]); // U+10FFFF

49 controller.add([0xf4, 0x90, 0x80, 0x80]); // U+110000

50 controller.add([0xfa, 0x80, 0x80, 0x80, 0x80]); // U+2000000

51 controller.add([0xfd, 0x80, 0x80, 0x80, 0x80, 0x80]); // U+40000000

52 controller.close();

53

54 StringDecoder.decode(controller.stream, Encoding.UTF_8)

55 .then((decoded) {

56 Expect.equals(16, decoded.length);

57

58 var replacementChar = UNICODE_REPLACEMENT_CHARACTER_RUNE;

59 Expect.equals(0xd800, decoded.codeUnitAt(0));

60 Expect.equals(0xdc00, decoded.codeUnitAt(1));

61 Expect.equals(0xdbff, decoded.codeUnitAt(2));

62 Expect.equals(0xdfff, decoded.codeUnitAt(3));

63 for (int i = 4; i < 16; i++) {

64 Expect.equals(replacementChar, decoded.codeUnitAt(i));

65 }

66 });

67 }

68

69 void testInvalid() {

70 void invalid(var bytes, var outputLength) {

71 var controller = new StreamController(sync: true);

72 controller.add(bytes);

73 controller.close();

74 controller.stream.transform(new StringDecoder()).listen((string) {

75 Expect.equals(outputLength, string.length);

76 for (var i = 0; i < outputLength; i++) {

77 Expect.equals(UNICODE_REPLACEMENT_CHARACTER_RUNE,

78 string.codeUnitAt(i));

79 }

80 });

81 }

82

83 invalid([0x80], 1);

84 invalid([0xff], 1);

85 invalid([0xf0, 0xc0], 1);

86 invalid([0xc0, 0x80], 1);

87 invalid([0xfd, 0x80, 0x80], 3); // Unfinished encoding.

88 }

89

90 void main() {

91 testTransform();

92 testDecode();

93 testInvalid();

94 }

OLD	NEW

« sdk/lib/io/string_transformer.dart ('K') | « tests/standalone/io/stdout_stderr_test.dart ('k') | tests/standalone/io/string_transformer_test.dart » ('j') | no next file with comments »