| // Copyright (c) 2013, 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. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| import 'dart:convert'; |
| import 'unicode_tests.dart'; |
| |
| List<int> encode(String str) => new Utf8Encoder().convert(str); |
| List<int> encode2(String str) => utf8.encode(str); |
| |
| void main() { |
| for (var test in UNICODE_TESTS) { |
| List<int> bytes = test[0]; |
| String string = test[1]; |
| Expect.listEquals(bytes, encode(string)); |
| Expect.listEquals(bytes, encode2(string)); |
| } |
| |
| testEncodeSlice(); |
| } |
| |
| void testEncodeSlice() { |
| var encoder = utf8.encoder; |
| String ascii = "ABCDE"; |
| Expect.listEquals([0x41, 0x42, 0x43, 0x44, 0x45], encoder.convert(ascii)); |
| Expect.listEquals([0x41, 0x42, 0x43, 0x44, 0x45], encoder.convert(ascii, 0)); |
| Expect.listEquals( |
| [0x41, 0x42, 0x43, 0x44, 0x45], encoder.convert(ascii, 0, 5)); |
| Expect.listEquals([0x42, 0x43, 0x44, 0x45], encoder.convert(ascii, 1)); |
| Expect.listEquals([0x41, 0x42, 0x43, 0x44], encoder.convert(ascii, 0, 4)); |
| Expect.listEquals([0x42, 0x43, 0x44], encoder.convert(ascii, 1, 4)); |
| |
| Expect.throws(() => encoder.convert(ascii, -1)); // start < 0. |
| Expect.throws(() => encoder.convert(ascii, 6)); // start > length |
| Expect.throws(() => encoder.convert(ascii, 0, -1)); // end < 0 |
| Expect.throws(() => encoder.convert(ascii, 0, 6)); // end > length |
| Expect.throws(() => encoder.convert(ascii, 3, 2)); // end < start |
| |
| var unicode = "\u0081\u0082\u1041\u{10101}"; |
| |
| Expect.listEquals( |
| [0xc2, 0x81, 0xc2, 0x82, 0xe1, 0x81, 0x81, 0xf0, 0x90, 0x84, 0x81], |
| encoder.convert(unicode)); |
| Expect.listEquals( |
| [0xc2, 0x81, 0xc2, 0x82, 0xe1, 0x81, 0x81, 0xf0, 0x90, 0x84, 0x81], |
| encoder.convert(unicode, 0, unicode.length)); |
| Expect.listEquals([0xc2, 0x82, 0xe1, 0x81, 0x81, 0xf0, 0x90, 0x84, 0x81], |
| encoder.convert(unicode, 1)); |
| Expect.listEquals( |
| [0xc2, 0x82, 0xe1, 0x81, 0x81], encoder.convert(unicode, 1, 3)); |
| // Split in the middle of a surrogate pair. |
| Expect.listEquals([0xc2, 0x82, 0xe1, 0x81, 0x81, 0xef, 0xbf, 0xbd], |
| encoder.convert(unicode, 1, 4)); |
| } |