| // 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 utf16_tests; |
| import 'package:expect/expect.dart'; |
| import 'package:utf/utf.dart'; |
| |
| const String testKoreanCharSubset = """ |
| 가각갂갃간갅갆갇갈갉갊갋갌갍갎갏감갑값갓갔강갖갗갘같갚갛 |
| 개객갞갟갠갡갢갣갤갥갦갧갨갩갪갫갬갭갮갯갰갱갲갳갴갵갶갷 |
| 갸갹갺갻갼갽갾갿걀걁걂걃걄걅걆걇걈걉걊걋걌걍걎걏걐걑걒걓"""; |
| |
| const String testHanWater = "水"; |
| |
| const List<int> testKoreanCharSubsetUtf16beBom = const<int>[ |
| 0xfe, 0xff, 0xac, 0x00, 0xac, 0x01, 0xac, 0x02, |
| 0xac, 0x03, 0xac, 0x04, 0xac, 0x05, 0xac, 0x06, |
| 0xac, 0x07, 0xac, 0x08, 0xac, 0x09, 0xac, 0x0a, |
| 0xac, 0x0b, 0xac, 0x0c, 0xac, 0x0d, 0xac, 0x0e, |
| 0xac, 0x0f, 0xac, 0x10, 0xac, 0x11, 0xac, 0x12, |
| 0xac, 0x13, 0xac, 0x14, 0xac, 0x15, 0xac, 0x16, |
| 0xac, 0x17, 0xac, 0x18, 0xac, 0x19, 0xac, 0x1a, |
| 0xac, 0x1b, 0x00, 0x0a, 0xac, 0x1c, 0xac, 0x1d, |
| 0xac, 0x1e, 0xac, 0x1f, 0xac, 0x20, 0xac, 0x21, |
| 0xac, 0x22, 0xac, 0x23, 0xac, 0x24, 0xac, 0x25, |
| 0xac, 0x26, 0xac, 0x27, 0xac, 0x28, 0xac, 0x29, |
| 0xac, 0x2a, 0xac, 0x2b, 0xac, 0x2c, 0xac, 0x2d, |
| 0xac, 0x2e, 0xac, 0x2f, 0xac, 0x30, 0xac, 0x31, |
| 0xac, 0x32, 0xac, 0x33, 0xac, 0x34, 0xac, 0x35, |
| 0xac, 0x36, 0xac, 0x37, 0x00, 0x0a, 0xac, 0x38, |
| 0xac, 0x39, 0xac, 0x3a, 0xac, 0x3b, 0xac, 0x3c, |
| 0xac, 0x3d, 0xac, 0x3e, 0xac, 0x3f, 0xac, 0x40, |
| 0xac, 0x41, 0xac, 0x42, 0xac, 0x43, 0xac, 0x44, |
| 0xac, 0x45, 0xac, 0x46, 0xac, 0x47, 0xac, 0x48, |
| 0xac, 0x49, 0xac, 0x4a, 0xac, 0x4b, 0xac, 0x4c, |
| 0xac, 0x4d, 0xac, 0x4e, 0xac, 0x4f, 0xac, 0x50, |
| 0xac, 0x51, 0xac, 0x52, 0xac, 0x53]; |
| |
| const List<int> testKoreanCharSubsetUtf16le = const<int> [ |
| 0x00, 0xac, 0x01, 0xac, 0x02, 0xac, 0x03, 0xac, |
| 0x04, 0xac, 0x05, 0xac, 0x06, 0xac, 0x07, 0xac, |
| 0x08, 0xac, 0x09, 0xac, 0x0a, 0xac, 0x0b, 0xac, |
| 0x0c, 0xac, 0x0d, 0xac, 0x0e, 0xac, 0x0f, 0xac, |
| 0x10, 0xac, 0x11, 0xac, 0x12, 0xac, 0x13, 0xac, |
| 0x14, 0xac, 0x15, 0xac, 0x16, 0xac, 0x17, 0xac, |
| 0x18, 0xac, 0x19, 0xac, 0x1a, 0xac, 0x1b, 0xac, |
| 0x0a, 0x00, 0x1c, 0xac, 0x1d, 0xac, 0x1e, 0xac, |
| 0x1f, 0xac, 0x20, 0xac, 0x21, 0xac, 0x22, 0xac, |
| 0x23, 0xac, 0x24, 0xac, 0x25, 0xac, 0x26, 0xac, |
| 0x27, 0xac, 0x28, 0xac, 0x29, 0xac, 0x2a, 0xac, |
| 0x2b, 0xac, 0x2c, 0xac, 0x2d, 0xac, 0x2e, 0xac, |
| 0x2f, 0xac, 0x30, 0xac, 0x31, 0xac, 0x32, 0xac, |
| 0x33, 0xac, 0x34, 0xac, 0x35, 0xac, 0x36, 0xac, |
| 0x37, 0xac, 0x0a, 0x00, 0x38, 0xac, 0x39, 0xac, |
| 0x3a, 0xac, 0x3b, 0xac, 0x3c, 0xac, 0x3d, 0xac, |
| 0x3e, 0xac, 0x3f, 0xac, 0x40, 0xac, 0x41, 0xac, |
| 0x42, 0xac, 0x43, 0xac, 0x44, 0xac, 0x45, 0xac, |
| 0x46, 0xac, 0x47, 0xac, 0x48, 0xac, 0x49, 0xac, |
| 0x4a, 0xac, 0x4b, 0xac, 0x4c, 0xac, 0x4d, 0xac, |
| 0x4e, 0xac, 0x4f, 0xac, 0x50, 0xac, 0x51, 0xac, |
| 0x52, 0xac, 0x53, 0xac]; |
| |
| void main() { |
| testEncodeToUtf16(); |
| testUtf16BytesToString(); |
| testIterableMethods(); |
| } |
| |
| void testEncodeToUtf16() { |
| Expect.listEquals([], encodeUtf16be("")); // TODO(dcarlson) should we skip bom if empty? |
| Expect.listEquals(testKoreanCharSubsetUtf16beBom, |
| encodeUtf16(testKoreanCharSubset), |
| "encode UTF-16(BE by default) Korean"); |
| |
| Expect.listEquals(testKoreanCharSubsetUtf16le, |
| encodeUtf16le(testKoreanCharSubset), |
| "encode UTF-16LE Korean"); |
| } |
| |
| void testUtf16BytesToString() { |
| Expect.stringEquals("", decodeUtf16([])); |
| Expect.stringEquals(testHanWater, decodeUtf16([0x6C, 0x34]), |
| "Water variation 1"); |
| Expect.stringEquals(testHanWater, decodeUtf16([0xFE, 0xFF, 0x6C, 0x34]), |
| "Water variation 2"); |
| Expect.stringEquals(testHanWater, decodeUtf16([0xFF, 0xFE, 0x34, 0x6C]), |
| "Water variation 3"); |
| |
| Expect.stringEquals(testHanWater, decodeUtf16be([0x6C, 0x34]), |
| "Water variation 4"); |
| Expect.stringEquals(testHanWater, |
| decodeUtf16be([0xFE, 0xFF, 0x6C, 0x34]), |
| "Water variation 5"); |
| |
| Expect.stringEquals(testHanWater, decodeUtf16le([0x34, 0x6C]), |
| "Water variation 6"); |
| Expect.stringEquals(testHanWater, |
| decodeUtf16le([0xFF, 0xFE, 0x34, 0x6C]), |
| "Water variation 7"); |
| |
| Expect.stringEquals(testKoreanCharSubset, |
| decodeUtf16(testKoreanCharSubsetUtf16beBom), "UTF-16BE Korean"); |
| } |
| |
| void testIterableMethods() { |
| // empty input |
| Expect.isFalse(decodeUtf16AsIterable([]).iterator.moveNext()); |
| |
| IterableUtf16Decoder koreanDecoder = |
| decodeUtf16AsIterable(testKoreanCharSubsetUtf16beBom); |
| // get the first character |
| Expect.equals(testKoreanCharSubset.codeUnits[0], koreanDecoder.first); |
| // get the whole translation using the Iterable interface |
| Expect.stringEquals(testKoreanCharSubset, |
| new String.fromCharCodes(new List<int>.from(koreanDecoder))); |
| |
| // specify types |
| Expect.equals(44032, (new List<int> |
| .from(decodeUtf16beAsIterable(testKoreanCharSubsetUtf16beBom)))[0]); |
| Expect.equals(44032, (new List<int> |
| .from(decodeUtf16leAsIterable(testKoreanCharSubsetUtf16le)))[0]); |
| bool stripBom = false; |
| Expect.equals(UNICODE_BOM, (new List<int> |
| .from(decodeUtf16beAsIterable(testKoreanCharSubsetUtf16beBom, |
| 0, null, stripBom)))[0]); |
| } |