| #!/usr/bin/env dart |
| // 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. |
| |
| library utf8_tests; |
| import 'dunit.dart'; |
| import '../../../lib/utf/utf.dart'; |
| |
| void main() { |
| TestSuite suite = new TestSuite(); |
| suite.registerTestClass(new Utf8Tests()); |
| suite.run(); |
| } |
| |
| class Utf8Tests extends TestClass { |
| static const String testEnglishPhrase = |
| "The quick brown fox jumps over the lazy dog."; |
| |
| static 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]; |
| |
| static const String testDanishPhrase = "Quizdeltagerne spiste jordbær med " + |
| "fløde mens cirkusklovnen Wolther spillede på xylofon."; |
| |
| static 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. |
| static const String |
| testHebrewPhrase = "דג סקרן שט בים מאוכזב ולפתע מצא לו חברה איך הקליטה"; |
| |
| static 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]; |
| |
| static const String testRussianPhrase = "Съешь же ещё этих мягких " + |
| "французских булок да выпей чаю"; |
| |
| static 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]; |
| |
| static const String testGreekPhrase = "Γαζέες καὶ μυρτιὲς δὲν θὰ βρῶ πιὰ " + |
| "στὸ χρυσαφὶ ξέφωτο"; |
| |
| static 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]; |
| |
| static 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"""; |
| |
| static 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, |
| 0x0a, 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 registerTests(TestSuite suite) { |
| register("Utf8Tests.testUtf8bytesToCodepoints", testUtf8bytesToCodepoints, |
| suite); |
| register("Utf8Tests.testUtf8BytesToString", testUtf8BytesToString, suite); |
| register("Utf8Tests.testEncodeToUtf8", testEncodeToUtf8, suite); |
| register("Utf8Tests.testIterableMethods", testIterableMethods, suite); |
| } |
| |
| void testEncodeToUtf8() { |
| 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() { |
| Expect.listEquals([954, 972, 963, 956, 949], |
| utf8ToCodepoints([0xce, 0xba, 0xcf, 0x8c, 0xcf, |
| 0x83, 0xce, 0xbc, 0xce, 0xb5]), "κόσμε"); |
| |
| // boundary conditions: First possible sequence of a certain length |
| Expect.listEquals([], utf8ToCodepoints([]), "no input"); |
| Expect.listEquals([0x0], utf8ToCodepoints([0x0]), "0"); |
| Expect.listEquals([0x80], utf8ToCodepoints([0xc2, 0x80]), "80"); |
| Expect.listEquals([0x800], |
| utf8ToCodepoints([0xe0, 0xa0, 0x80]), "800"); |
| Expect.listEquals([0x10000], |
| utf8ToCodepoints([0xf0, 0x90, 0x80, 0x80]), "10000"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf8, 0x88, 0x80, 0x80, 0x80]), "200000"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfc, 0x84, 0x80, 0x80, 0x80, 0x80]), |
| "4000000"); |
| |
| // boundary conditions: Last possible sequence of a certain length |
| Expect.listEquals([0x7f], utf8ToCodepoints([0x7f]), "7f"); |
| Expect.listEquals([0x7ff], utf8ToCodepoints([0xdf, 0xbf]), "7ff"); |
| Expect.listEquals([0xffff], |
| utf8ToCodepoints([0xef, 0xbf, 0xbf]), "ffff"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf7, 0xbf, 0xbf, 0xbf]), "1fffff"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfb, 0xbf, 0xbf, 0xbf, 0xbf]), "3ffffff"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfd, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf]), |
| "4000000"); |
| |
| // other boundary conditions |
| Expect.listEquals([0xd7ff], |
| utf8ToCodepoints([0xed, 0x9f, 0xbf]), "d7ff"); |
| Expect.listEquals([0xe000], |
| utf8ToCodepoints([0xee, 0x80, 0x80]), "e000"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xef, 0xbf, 0xbd]), "fffd"); |
| Expect.listEquals([0x10ffff], |
| utf8ToCodepoints([0xf4, 0x8f, 0xbf, 0xbf]), "10ffff"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf4, 0x90, 0x80, 0x80]), "110000"); |
| |
| // unexpected continuation bytes |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0x80]), "80 => replacement character"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xbf]), "bf => replacement character"); |
| |
| List<int> allContinuationBytes = <int>[]; |
| List<int> matchingReplacementChars = <int>[]; |
| for (int i = 0x80; i < 0xc0; i++) { |
| allContinuationBytes.add(i); |
| matchingReplacementChars.add(UNICODE_REPLACEMENT_CHARACTER_CODEPOINT); |
| } |
| Expect.listEquals(matchingReplacementChars, |
| utf8ToCodepoints(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( |
| [UNICODE_REPLACEMENT_CHARACTER_CODEPOINT]); |
| } |
| Expect.listEquals(matchingReplacementChars, |
| utf8ToCodepoints(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( |
| [UNICODE_REPLACEMENT_CHARACTER_CODEPOINT]); |
| } |
| Expect.listEquals(matchingReplacementChars, |
| utf8ToCodepoints(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( |
| [UNICODE_REPLACEMENT_CHARACTER_CODEPOINT]); |
| } |
| Expect.listEquals(matchingReplacementChars, |
| utf8ToCodepoints(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( |
| [UNICODE_REPLACEMENT_CHARACTER_CODEPOINT]); |
| } |
| Expect.listEquals(matchingReplacementChars, |
| utf8ToCodepoints(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( |
| [UNICODE_REPLACEMENT_CHARACTER_CODEPOINT]); |
| } |
| Expect.listEquals(matchingReplacementChars, |
| utf8ToCodepoints(allFirstSixByteSeq), |
| "fc - fd + space => replacement character x 2"); |
| |
| // Sequences with last continuation byte missing |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xc2]), |
| "2-byte sequence with last byte missing"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xe0, 0x80]), |
| "3-byte sequence with last byte missing"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf0, 0x80, 0x80]), |
| "4-byte sequence with last byte missing"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf8, 0x88, 0x80, 0x80]), |
| "5-byte sequence with last byte missing"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfc, 0x80, 0x80, 0x80, 0x80]), |
| "6-byte sequence with last byte missing"); |
| |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xdf]), |
| "2-byte sequence with last byte missing (hi)"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xef, 0xbf]), |
| "3-byte sequence with last byte missing (hi)"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf7, 0xbf, 0xbf]), |
| "4-byte sequence with last byte missing (hi)"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfb, 0xbf, 0xbf, 0xbf]), |
| "5-byte sequence with last byte missing (hi)"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfd, 0xbf, 0xbf, 0xbf, 0xbf]), |
| "6-byte sequence with last byte missing (hi)"); |
| |
| // Concatenation of incomplete sequences |
| Expect.listEquals( |
| [ UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT ], |
| utf8ToCodepoints( |
| [ 0xc2, |
| 0xe0, 0x80, |
| 0xf0, 0x80, 0x80, |
| 0xf8, 0x88, 0x80, 0x80, |
| 0xfc, 0x80, 0x80, 0x80, 0x80, |
| 0xdf, |
| 0xef, 0xbf, |
| 0xf7, 0xbf, 0xbf, |
| 0xfb, 0xbf, 0xbf, 0xbf, |
| 0xfd, 0xbf, 0xbf, 0xbf, 0xbf ]), |
| "Concatenation of incomplete sequences"); |
| |
| // Impossible bytes |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfe]), "fe"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xff]), "ff"); |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfe, 0xfe, 0xff, 0xff]), "fe fe ff ff"); |
| |
| // Overlong sequences |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xc0, 0xaf]), "c0 af"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xe0, 0x80, 0xaf]), "e0 80 af"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf0, 0x80, 0x80, 0xaf]), "f0 80 80 af"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf8, 0x80, 0x80, 0x80, 0xaf]), "f8 80 80 80 af"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfc, 0x80, 0x80, 0x80, 0x80, 0xaf]), |
| "fc 80 80 80 80 af"); |
| |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xc1, 0xbf]), "c1 bf"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xe0, 0x9f, 0xbf]), "e0 9f bf"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf0, 0x8f, 0xbf, 0xbf]), "f0 8f bf bf"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf8, 0x87, 0xbf, 0xbf, 0xbf]), "f8 87 bf bf bf"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfc, 0x83, 0xbf, 0xbf, 0xbf, 0xbf]), |
| "fc 83 bf bf bf bf"); |
| |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xc0, 0x80]), "c0 80"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xe0, 0x80, 0x80]), "e0 80 80"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf0, 0x80, 0x80, 0x80]), "f0 80 80 80"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xf8, 0x80, 0x80, 0x80, 0x80]), "f8 80 80 80 80"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xfc, 0x80, 0x80, 0x80, 0x80, 0x80]), |
| "fc 80 80 80 80 80"); |
| |
| // Illegal code positions |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xa0, 0x80]), "U+D800"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xad, 0xbf]), "U+DB7F"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xae, 0x80]), "U+DB80"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xaf, 0xbf]), "U+DBFF"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xb0, 0x80]), "U+DC00"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xbe, 0x80]), "U+DF80"); |
| Expect.listEquals([UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xbf, 0xbf]), "U+DFFF"); |
| |
| // Paired UTF-16 surrogates |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xa0, 0x80, 0xed, 0xb0, 0x80]), |
| "U+D800 U+DC00"); |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xa0, 0x80, 0xed, 0xbf, 0xbf]), |
| "U+D800 U+DFFF"); |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xad, 0xbf, 0xed, 0xb0, 0x80]), |
| "U+DB7F U+DC00"); |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xad, 0xbf, 0xed, 0xbf, 0xbf]), |
| "U+DB7F U+DFFF"); |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xae, 0x80, 0xed, 0xb0, 0x80]), |
| "U+DB80 U+DC00"); |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xae, 0x80, 0xed, 0xbf, 0xbf]), |
| "U+DB80 U+DFFF"); |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xaf, 0xbf, 0xed, 0xb0, 0x80]), |
| "U+DBFF U+DC00"); |
| Expect.listEquals([ |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT, |
| UNICODE_REPLACEMENT_CHARACTER_CODEPOINT], |
| utf8ToCodepoints([0xed, 0xaf, 0xbf, 0xed, 0xbf, 0xbf]), |
| "U+DBFF U+DFFF"); |
| |
| // Other illegal code positions (???) |
| Expect.listEquals([0xfffe], utf8ToCodepoints([0xef, 0xbf, 0xbe]), |
| "U+FFFE"); |
| Expect.listEquals([0xffff], utf8ToCodepoints([0xef, 0xbf, 0xbf]), |
| "U+FFFF"); |
| } |
| |
| void testUtf8BytesToString() { |
| 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"); |
| } |
| |
| void testIterableMethods() { |
| IterableUtf8Decoder englishDecoder = decodeUtf8AsIterable(testEnglishUtf8); |
| // get the first character |
| Expect.equals(testEnglishUtf8[0], englishDecoder.first); |
| // get the whole translation using the Iterable interface |
| Expect.stringEquals(testEnglishPhrase, |
| new String.fromCharCodes(new List<int>.from(englishDecoder))); |
| |
| IterableUtf8Decoder kataDecoder = decodeUtf8AsIterable(testKatakanaUtf8); |
| // get the first character |
| Expect.equals(testKatakanaPhrase.codeUnits[0], kataDecoder.first); |
| // get the whole translation using the Iterable interface |
| Expect.stringEquals(testKatakanaPhrase, |
| new String.fromCharCodes(new List<int>.from(kataDecoder))); |
| } |
| } |
