| // 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 'package:expect/expect.dart'; |
| import 'dart:convert'; |
| import 'dart:typed_data' show Uint8List; |
| |
| const String testEnglishPhrase = "The quick brown fox jumps over the lazy dog."; |
| |
| const List<int> testEnglishUtf8 = const <int>[ |
| 0x54, |
| 0x68, |
| 0x65, |
| 0x20, |
| 0x71, |
| 0x75, |
| 0x69, |
| 0x63, |
| 0x6b, |
| 0x20, |
| 0x62, |
| 0x72, |
| 0x6f, |
| 0x77, |
| 0x6e, |
| 0x20, |
| 0x66, |
| 0x6f, |
| 0x78, |
| 0x20, |
| 0x6a, |
| 0x75, |
| 0x6d, |
| 0x70, |
| 0x73, |
| 0x20, |
| 0x6f, |
| 0x76, |
| 0x65, |
| 0x72, |
| 0x20, |
| 0x74, |
| 0x68, |
| 0x65, |
| 0x20, |
| 0x6c, |
| 0x61, |
| 0x7a, |
| 0x79, |
| 0x20, |
| 0x64, |
| 0x6f, |
| 0x67, |
| 0x2e |
| ]; |
| |
| const String testDanishPhrase = "Quizdeltagerne spiste jordbær med " |
| "fløde mens cirkusklovnen Wolther spillede på xylofon."; |
| |
| const List<int> testDanishUtf8 = const <int>[ |
| 0x51, |
| 0x75, |
| 0x69, |
| 0x7a, |
| 0x64, |
| 0x65, |
| 0x6c, |
| 0x74, |
| 0x61, |
| 0x67, |
| 0x65, |
| 0x72, |
| 0x6e, |
| 0x65, |
| 0x20, |
| 0x73, |
| 0x70, |
| 0x69, |
| 0x73, |
| 0x74, |
| 0x65, |
| 0x20, |
| 0x6a, |
| 0x6f, |
| 0x72, |
| 0x64, |
| 0x62, |
| 0xc3, |
| 0xa6, |
| 0x72, |
| 0x20, |
| 0x6d, |
| 0x65, |
| 0x64, |
| 0x20, |
| 0x66, |
| 0x6c, |
| 0xc3, |
| 0xb8, |
| 0x64, |
| 0x65, |
| 0x20, |
| 0x6d, |
| 0x65, |
| 0x6e, |
| 0x73, |
| 0x20, |
| 0x63, |
| 0x69, |
| 0x72, |
| 0x6b, |
| 0x75, |
| 0x73, |
| 0x6b, |
| 0x6c, |
| 0x6f, |
| 0x76, |
| 0x6e, |
| 0x65, |
| 0x6e, |
| 0x20, |
| 0x57, |
| 0x6f, |
| 0x6c, |
| 0x74, |
| 0x68, |
| 0x65, |
| 0x72, |
| 0x20, |
| 0x73, |
| 0x70, |
| 0x69, |
| 0x6c, |
| 0x6c, |
| 0x65, |
| 0x64, |
| 0x65, |
| 0x20, |
| 0x70, |
| 0xc3, |
| 0xa5, |
| 0x20, |
| 0x78, |
| 0x79, |
| 0x6c, |
| 0x6f, |
| 0x66, |
| 0x6f, |
| 0x6e, |
| 0x2e |
| ]; |
| |
| // unusual formatting due to strange editor interaction w/ text direction. |
| const String testHebrewPhrase = |
| "דג סקרן שט בים מאוכזב ולפתע מצא לו חברה איך הקליטה"; |
| |
| const List<int> testHebrewUtf8 = const <int>[ |
| 0xd7, |
| 0x93, |
| 0xd7, |
| 0x92, |
| 0x20, |
| 0xd7, |
| 0xa1, |
| 0xd7, |
| 0xa7, |
| 0xd7, |
| 0xa8, |
| 0xd7, |
| 0x9f, |
| 0x20, |
| 0xd7, |
| 0xa9, |
| 0xd7, |
| 0x98, |
| 0x20, |
| 0xd7, |
| 0x91, |
| 0xd7, |
| 0x99, |
| 0xd7, |
| 0x9d, |
| 0x20, |
| 0xd7, |
| 0x9e, |
| 0xd7, |
| 0x90, |
| 0xd7, |
| 0x95, |
| 0xd7, |
| 0x9b, |
| 0xd7, |
| 0x96, |
| 0xd7, |
| 0x91, |
| 0x20, |
| 0xd7, |
| 0x95, |
| 0xd7, |
| 0x9c, |
| 0xd7, |
| 0xa4, |
| 0xd7, |
| 0xaa, |
| 0xd7, |
| 0xa2, |
| 0x20, |
| 0xd7, |
| 0x9e, |
| 0xd7, |
| 0xa6, |
| 0xd7, |
| 0x90, |
| 0x20, |
| 0xd7, |
| 0x9c, |
| 0xd7, |
| 0x95, |
| 0x20, |
| 0xd7, |
| 0x97, |
| 0xd7, |
| 0x91, |
| 0xd7, |
| 0xa8, |
| 0xd7, |
| 0x94, |
| 0x20, |
| 0xd7, |
| 0x90, |
| 0xd7, |
| 0x99, |
| 0xd7, |
| 0x9a, |
| 0x20, |
| 0xd7, |
| 0x94, |
| 0xd7, |
| 0xa7, |
| 0xd7, |
| 0x9c, |
| 0xd7, |
| 0x99, |
| 0xd7, |
| 0x98, |
| 0xd7, |
| 0x94 |
| ]; |
| |
| const String testRussianPhrase = "Съешь же ещё этих мягких " |
| "французских булок да выпей чаю"; |
| |
| const List<int> testRussianUtf8 = const <int>[ |
| 0xd0, |
| 0xa1, |
| 0xd1, |
| 0x8a, |
| 0xd0, |
| 0xb5, |
| 0xd1, |
| 0x88, |
| 0xd1, |
| 0x8c, |
| 0x20, |
| 0xd0, |
| 0xb6, |
| 0xd0, |
| 0xb5, |
| 0x20, |
| 0xd0, |
| 0xb5, |
| 0xd1, |
| 0x89, |
| 0xd1, |
| 0x91, |
| 0x20, |
| 0xd1, |
| 0x8d, |
| 0xd1, |
| 0x82, |
| 0xd0, |
| 0xb8, |
| 0xd1, |
| 0x85, |
| 0x20, |
| 0xd0, |
| 0xbc, |
| 0xd1, |
| 0x8f, |
| 0xd0, |
| 0xb3, |
| 0xd0, |
| 0xba, |
| 0xd0, |
| 0xb8, |
| 0xd1, |
| 0x85, |
| 0x20, |
| 0xd1, |
| 0x84, |
| 0xd1, |
| 0x80, |
| 0xd0, |
| 0xb0, |
| 0xd0, |
| 0xbd, |
| 0xd1, |
| 0x86, |
| 0xd1, |
| 0x83, |
| 0xd0, |
| 0xb7, |
| 0xd1, |
| 0x81, |
| 0xd0, |
| 0xba, |
| 0xd0, |
| 0xb8, |
| 0xd1, |
| 0x85, |
| 0x20, |
| 0xd0, |
| 0xb1, |
| 0xd1, |
| 0x83, |
| 0xd0, |
| 0xbb, |
| 0xd0, |
| 0xbe, |
| 0xd0, |
| 0xba, |
| 0x20, |
| 0xd0, |
| 0xb4, |
| 0xd0, |
| 0xb0, |
| 0x20, |
| 0xd0, |
| 0xb2, |
| 0xd1, |
| 0x8b, |
| 0xd0, |
| 0xbf, |
| 0xd0, |
| 0xb5, |
| 0xd0, |
| 0xb9, |
| 0x20, |
| 0xd1, |
| 0x87, |
| 0xd0, |
| 0xb0, |
| 0xd1, |
| 0x8e |
| ]; |
| |
| const String testGreekPhrase = "Γαζέες καὶ μυρτιὲς δὲν θὰ βρῶ πιὰ " |
| "στὸ χρυσαφὶ ξέφωτο"; |
| |
| const List<int> testGreekUtf8 = const <int>[ |
| 0xce, |
| 0x93, |
| 0xce, |
| 0xb1, |
| 0xce, |
| 0xb6, |
| 0xce, |
| 0xad, |
| 0xce, |
| 0xb5, |
| 0xcf, |
| 0x82, |
| 0x20, |
| 0xce, |
| 0xba, |
| 0xce, |
| 0xb1, |
| 0xe1, |
| 0xbd, |
| 0xb6, |
| 0x20, |
| 0xce, |
| 0xbc, |
| 0xcf, |
| 0x85, |
| 0xcf, |
| 0x81, |
| 0xcf, |
| 0x84, |
| 0xce, |
| 0xb9, |
| 0xe1, |
| 0xbd, |
| 0xb2, |
| 0xcf, |
| 0x82, |
| 0x20, |
| 0xce, |
| 0xb4, |
| 0xe1, |
| 0xbd, |
| 0xb2, |
| 0xce, |
| 0xbd, |
| 0x20, |
| 0xce, |
| 0xb8, |
| 0xe1, |
| 0xbd, |
| 0xb0, |
| 0x20, |
| 0xce, |
| 0xb2, |
| 0xcf, |
| 0x81, |
| 0xe1, |
| 0xbf, |
| 0xb6, |
| 0x20, |
| 0xcf, |
| 0x80, |
| 0xce, |
| 0xb9, |
| 0xe1, |
| 0xbd, |
| 0xb0, |
| 0x20, |
| 0xcf, |
| 0x83, |
| 0xcf, |
| 0x84, |
| 0xe1, |
| 0xbd, |
| 0xb8, |
| 0x20, |
| 0xcf, |
| 0x87, |
| 0xcf, |
| 0x81, |
| 0xcf, |
| 0x85, |
| 0xcf, |
| 0x83, |
| 0xce, |
| 0xb1, |
| 0xcf, |
| 0x86, |
| 0xe1, |
| 0xbd, |
| 0xb6, |
| 0x20, |
| 0xce, |
| 0xbe, |
| 0xce, |
| 0xad, |
| 0xcf, |
| 0x86, |
| 0xcf, |
| 0x89, |
| 0xcf, |
| 0x84, |
| 0xce, |
| 0xbf |
| ]; |
| |
| const String testKatakanaPhrase = "イロハニホヘト チリヌルヲ ワカヨタレソ " |
| "ツネナラム ウヰノオクヤマ ケフコエテ アサキユメミシ ヱヒモセスン"; |
| |
| const List<int> testKatakanaUtf8 = const <int>[ |
| 0xe3, |
| 0x82, |
| 0xa4, |
| 0xe3, |
| 0x83, |
| 0xad, |
| 0xe3, |
| 0x83, |
| 0x8f, |
| 0xe3, |
| 0x83, |
| 0x8b, |
| 0xe3, |
| 0x83, |
| 0x9b, |
| 0xe3, |
| 0x83, |
| 0x98, |
| 0xe3, |
| 0x83, |
| 0x88, |
| 0x20, |
| 0xe3, |
| 0x83, |
| 0x81, |
| 0xe3, |
| 0x83, |
| 0xaa, |
| 0xe3, |
| 0x83, |
| 0x8c, |
| 0xe3, |
| 0x83, |
| 0xab, |
| 0xe3, |
| 0x83, |
| 0xb2, |
| 0x20, |
| 0xe3, |
| 0x83, |
| 0xaf, |
| 0xe3, |
| 0x82, |
| 0xab, |
| 0xe3, |
| 0x83, |
| 0xa8, |
| 0xe3, |
| 0x82, |
| 0xbf, |
| 0xe3, |
| 0x83, |
| 0xac, |
| 0xe3, |
| 0x82, |
| 0xbd, |
| 0x20, |
| 0xe3, |
| 0x83, |
| 0x84, |
| 0xe3, |
| 0x83, |
| 0x8d, |
| 0xe3, |
| 0x83, |
| 0x8a, |
| 0xe3, |
| 0x83, |
| 0xa9, |
| 0xe3, |
| 0x83, |
| 0xa0, |
| 0x20, |
| 0xe3, |
| 0x82, |
| 0xa6, |
| 0xe3, |
| 0x83, |
| 0xb0, |
| 0xe3, |
| 0x83, |
| 0x8e, |
| 0xe3, |
| 0x82, |
| 0xaa, |
| 0xe3, |
| 0x82, |
| 0xaf, |
| 0xe3, |
| 0x83, |
| 0xa4, |
| 0xe3, |
| 0x83, |
| 0x9e, |
| 0x20, |
| 0xe3, |
| 0x82, |
| 0xb1, |
| 0xe3, |
| 0x83, |
| 0x95, |
| 0xe3, |
| 0x82, |
| 0xb3, |
| 0xe3, |
| 0x82, |
| 0xa8, |
| 0xe3, |
| 0x83, |
| 0x86, |
| 0x20, |
| 0xe3, |
| 0x82, |
| 0xa2, |
| 0xe3, |
| 0x82, |
| 0xb5, |
| 0xe3, |
| 0x82, |
| 0xad, |
| 0xe3, |
| 0x83, |
| 0xa6, |
| 0xe3, |
| 0x83, |
| 0xa1, |
| 0xe3, |
| 0x83, |
| 0x9f, |
| 0xe3, |
| 0x82, |
| 0xb7, |
| 0x20, |
| 0xe3, |
| 0x83, |
| 0xb1, |
| 0xe3, |
| 0x83, |
| 0x92, |
| 0xe3, |
| 0x83, |
| 0xa2, |
| 0xe3, |
| 0x82, |
| 0xbb, |
| 0xe3, |
| 0x82, |
| 0xb9, |
| 0xe3, |
| 0x83, |
| 0xb3 |
| ]; |
| |
| void main() { |
| testEncodeToUtf8(); |
| |
| String decodeUtf8List(List<int> codeUnits) => utf8.decode(codeUnits); |
| String decodeUtf8Uint8List(List<int> codeUnits) => |
| utf8.decode(new Uint8List.fromList(codeUnits)); |
| |
| testUtf8BytesToString(decodeUtf8List); |
| testUtf8BytesToString(decodeUtf8Uint8List); |
| |
| List<int> utf8ToRunes1(List<int> codeUnits) { |
| return utf8.decode(codeUnits, allowMalformed: true).runes.toList(); |
| } |
| |
| List<int> utf8ToRunes2(List<int> codeUnits) { |
| return utf8 |
| .decode(new Uint8List.fromList(codeUnits), allowMalformed: true) |
| .runes |
| .toList(); |
| } |
| |
| testUtf8bytesToCodepoints(utf8ToRunes1); |
| testUtf8bytesToCodepoints(utf8ToRunes2); |
| } |
| |
| void testEncodeToUtf8() { |
| List<int> encodeUtf8(String str) => utf8.encode(str); |
| |
| Expect.listEquals( |
| testEnglishUtf8, encodeUtf8(testEnglishPhrase), "english to utf8"); |
| |
| Expect.listEquals( |
| testDanishUtf8, encodeUtf8(testDanishPhrase), "encode danish to utf8"); |
| |
| Expect.listEquals( |
| testHebrewUtf8, encodeUtf8(testHebrewPhrase), "Hebrew to utf8"); |
| |
| Expect.listEquals( |
| testRussianUtf8, encodeUtf8(testRussianPhrase), "Russian to utf8"); |
| |
| Expect.listEquals( |
| testGreekUtf8, encodeUtf8(testGreekPhrase), "Greek to utf8"); |
| |
| Expect.listEquals( |
| testKatakanaUtf8, encodeUtf8(testKatakanaPhrase), "Katakana to utf8"); |
| } |
| |
| void testUtf8bytesToCodepoints(List<int> utf8ToRunes(List<int> utf8)) { |
| Expect.listEquals( |
| [954, 972, 963, 956, 949], |
| utf8ToRunes([0xce, 0xba, 0xcf, 0x8c, 0xcf, 0x83, 0xce, 0xbc, 0xce, 0xb5]), |
| "κόσμε"); |
| |
| // boundary conditions: First possible sequence of a certain length |
| Expect.listEquals([], utf8ToRunes([]), "no input"); |
| Expect.listEquals([0x0], utf8ToRunes([0x0]), "0"); |
| Expect.listEquals([0x80], utf8ToRunes([0xc2, 0x80]), "80"); |
| Expect.listEquals([0x800], utf8ToRunes([0xe0, 0xa0, 0x80]), "800"); |
| Expect.listEquals([0x10000], utf8ToRunes([0xf0, 0x90, 0x80, 0x80]), "10000"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf8, 0x88, 0x80, 0x80, 0x80]), "200000"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfc, 0x84, 0x80, 0x80, 0x80, 0x80]), "4000000"); |
| |
| // boundary conditions: Last possible sequence of a certain length |
| Expect.listEquals([0x7f], utf8ToRunes([0x7f]), "7f"); |
| Expect.listEquals([0x7ff], utf8ToRunes([0xdf, 0xbf]), "7ff"); |
| Expect.listEquals([0xffff], utf8ToRunes([0xef, 0xbf, 0xbf]), "ffff"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf7, 0xbf, 0xbf, 0xbf]), "1fffff"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfb, 0xbf, 0xbf, 0xbf, 0xbf]), "3ffffff"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfd, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf]), "4000000"); |
| |
| // other boundary conditions |
| Expect.listEquals([0xd7ff], utf8ToRunes([0xed, 0x9f, 0xbf]), "d7ff"); |
| Expect.listEquals([0xe000], utf8ToRunes([0xee, 0x80, 0x80]), "e000"); |
| Expect.listEquals([unicodeReplacementCharacterRune], |
| utf8ToRunes([0xef, 0xbf, 0xbd]), "fffd"); |
| Expect.listEquals( |
| [0x10ffff], utf8ToRunes([0xf4, 0x8f, 0xbf, 0xbf]), "10ffff"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf4, 0x90, 0x80, 0x80]), "110000"); |
| |
| // unexpected continuation bytes |
| Expect.listEquals([unicodeReplacementCharacterRune], utf8ToRunes([0x80]), |
| "80 => replacement character"); |
| Expect.listEquals([unicodeReplacementCharacterRune], utf8ToRunes([0xbf]), |
| "bf => replacement character"); |
| |
| List<int> allContinuationBytes = <int>[]; |
| List<int> matchingReplacementChars = <int>[]; |
| for (int i = 0x80; i < 0xc0; i++) { |
| allContinuationBytes.add(i); |
| matchingReplacementChars.add(unicodeReplacementCharacterRune); |
| } |
| Expect.listEquals(matchingReplacementChars, utf8ToRunes(allContinuationBytes), |
| "80 - bf => replacement character x 64"); |
| |
| List<int> allFirstTwoByteSeq = <int>[]; |
| matchingReplacementChars = <int>[]; |
| for (int i = 0xc0; i < 0xe0; i++) { |
| allFirstTwoByteSeq.addAll([i, 0x20]); |
| matchingReplacementChars.addAll([unicodeReplacementCharacterRune, 0x20]); |
| } |
| Expect.listEquals(matchingReplacementChars, utf8ToRunes(allFirstTwoByteSeq), |
| "c0 - df + space => replacement character + space x 32"); |
| |
| List<int> allFirstThreeByteSeq = <int>[]; |
| matchingReplacementChars = <int>[]; |
| for (int i = 0xe0; i < 0xf0; i++) { |
| allFirstThreeByteSeq.addAll([i, 0x20]); |
| matchingReplacementChars.addAll([unicodeReplacementCharacterRune, 0x20]); |
| } |
| Expect.listEquals(matchingReplacementChars, utf8ToRunes(allFirstThreeByteSeq), |
| "e0 - ef + space => replacement character x 16"); |
| |
| List<int> allFirstFourByteSeq = <int>[]; |
| matchingReplacementChars = <int>[]; |
| for (int i = 0xf0; i < 0xf8; i++) { |
| allFirstFourByteSeq.addAll([i, 0x20]); |
| matchingReplacementChars.addAll([unicodeReplacementCharacterRune, 0x20]); |
| } |
| Expect.listEquals(matchingReplacementChars, utf8ToRunes(allFirstFourByteSeq), |
| "f0 - f7 + space => replacement character x 8"); |
| |
| List<int> allFirstFiveByteSeq = <int>[]; |
| matchingReplacementChars = <int>[]; |
| for (int i = 0xf8; i < 0xfc; i++) { |
| allFirstFiveByteSeq.addAll([i, 0x20]); |
| matchingReplacementChars.addAll([unicodeReplacementCharacterRune, 0x20]); |
| } |
| Expect.listEquals(matchingReplacementChars, utf8ToRunes(allFirstFiveByteSeq), |
| "f8 - fb + space => replacement character x 4"); |
| |
| List<int> allFirstSixByteSeq = <int>[]; |
| matchingReplacementChars = <int>[]; |
| for (int i = 0xfc; i < 0xfe; i++) { |
| allFirstSixByteSeq.addAll([i, 0x20]); |
| matchingReplacementChars.addAll([unicodeReplacementCharacterRune, 0x20]); |
| } |
| Expect.listEquals(matchingReplacementChars, utf8ToRunes(allFirstSixByteSeq), |
| "fc - fd + space => replacement character x 2"); |
| |
| // Sequences with last continuation byte missing |
| Expect.listEquals([unicodeReplacementCharacterRune], utf8ToRunes([0xc2]), |
| "2-byte sequence with last byte missing"); |
| Expect.listEquals( |
| [unicodeReplacementCharacterRune, unicodeReplacementCharacterRune], |
| utf8ToRunes([0xe0, 0x80]), |
| "3-byte sequence with last byte missing"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf0, 0x80, 0x80]), "4-byte sequence with last byte missing"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf8, 0x88, 0x80, 0x80]), |
| "5-byte sequence with last byte missing"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfc, 0x80, 0x80, 0x80, 0x80]), |
| "6-byte sequence with last byte missing"); |
| |
| Expect.listEquals([unicodeReplacementCharacterRune], utf8ToRunes([0xdf]), |
| "2-byte sequence with last byte missing (hi)"); |
| Expect.listEquals([unicodeReplacementCharacterRune], |
| utf8ToRunes([0xef, 0xbf]), "3-byte sequence with last byte missing (hi)"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf7, 0xbf, 0xbf]), |
| "4-byte sequence with last byte missing (hi)"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfb, 0xbf, 0xbf, 0xbf]), |
| "5-byte sequence with last byte missing (hi)"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfd, 0xbf, 0xbf, 0xbf, 0xbf]), |
| "6-byte sequence with last byte missing (hi)"); |
| |
| // Concatenation of incomplete sequences |
| Expect.listEquals( |
| [ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], |
| utf8ToRunes([ |
| 0xc2, |
| 0xe0, |
| 0x80, |
| 0xf0, |
| 0x80, |
| 0x80, |
| 0xf8, |
| 0x88, |
| 0x80, |
| 0x80, |
| 0xfc, |
| 0x80, |
| 0x80, |
| 0x80, |
| 0x80, |
| 0xdf, |
| 0xef, // These two bytes form one incomplete sequence. |
| 0xbf, // All others form one per byte. |
| 0xf7, |
| 0xbf, |
| 0xbf, |
| 0xfb, |
| 0xbf, |
| 0xbf, |
| 0xbf, |
| 0xfd, |
| 0xbf, |
| 0xbf, |
| 0xbf, |
| 0xbf |
| ]), |
| "Concatenation of incomplete sequences"); |
| |
| // Impossible bytes |
| Expect.listEquals( |
| [unicodeReplacementCharacterRune], utf8ToRunes([0xfe]), "fe"); |
| Expect.listEquals( |
| [unicodeReplacementCharacterRune], utf8ToRunes([0xff]), "ff"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfe, 0xfe, 0xff, 0xff]), "fe fe ff ff"); |
| |
| // Overlong sequences |
| Expect.listEquals( |
| [unicodeReplacementCharacterRune, unicodeReplacementCharacterRune], |
| utf8ToRunes([0xc0, 0xaf]), |
| "c0 af"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xe0, 0x80, 0xaf]), "e0 80 af"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf0, 0x80, 0x80, 0xaf]), "f0 80 80 af"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf8, 0x80, 0x80, 0x80, 0xaf]), "f8 80 80 80 af"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfc, 0x80, 0x80, 0x80, 0x80, 0xaf]), "fc 80 80 80 80 af"); |
| |
| Expect.listEquals( |
| [unicodeReplacementCharacterRune, unicodeReplacementCharacterRune], |
| utf8ToRunes([0xc1, 0xbf]), |
| "c1 bf"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xe0, 0x9f, 0xbf]), "e0 9f bf"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf0, 0x8f, 0xbf, 0xbf]), "f0 8f bf bf"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf8, 0x87, 0xbf, 0xbf, 0xbf]), "f8 87 bf bf bf"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfc, 0x83, 0xbf, 0xbf, 0xbf, 0xbf]), "fc 83 bf bf bf bf"); |
| |
| Expect.listEquals( |
| [unicodeReplacementCharacterRune, unicodeReplacementCharacterRune], |
| utf8ToRunes([0xc0, 0x80]), |
| "c0 80"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xe0, 0x80, 0x80]), "e0 80 80"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf0, 0x80, 0x80, 0x80]), "f0 80 80 80"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xf8, 0x80, 0x80, 0x80, 0x80]), "f8 80 80 80 80"); |
| Expect.listEquals([ |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune, |
| unicodeReplacementCharacterRune |
| ], utf8ToRunes([0xfc, 0x80, 0x80, 0x80, 0x80, 0x80]), "fc 80 80 80 80 80"); |
| |
| // Other illegal code positions (???) |
| Expect.listEquals([0xfffe], utf8ToRunes([0xef, 0xbf, 0xbe]), "U+FFFE"); |
| Expect.listEquals([0xffff], utf8ToRunes([0xef, 0xbf, 0xbf]), "U+FFFF"); |
| } |
| |
| void testUtf8BytesToString(String decodeUtf8(List<int> input)) { |
| Expect.stringEquals( |
| testEnglishPhrase, decodeUtf8(testEnglishUtf8), "English"); |
| |
| Expect.stringEquals(testDanishPhrase, decodeUtf8(testDanishUtf8), "Danish"); |
| |
| Expect.stringEquals(testHebrewPhrase, decodeUtf8(testHebrewUtf8), "Hebrew"); |
| |
| Expect.stringEquals( |
| testRussianPhrase, decodeUtf8(testRussianUtf8), "Russian"); |
| |
| Expect.stringEquals(testGreekPhrase, decodeUtf8(testGreekUtf8), "Greek"); |
| |
| Expect.stringEquals( |
| testKatakanaPhrase, decodeUtf8(testKatakanaUtf8), "Katakana"); |
| } |
