| // 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 'unicode_tests.dart'; |
| |
| String decode(List<int> bytes) => new Utf8Decoder().convert(bytes); |
| |
| void main() { |
| for (var test in UNICODE_TESTS) { |
| List<int> bytes = test[0]; |
| String expected = test[1]; |
| Expect.stringEquals(expected, decode(bytes)); |
| } |
| |
| testDecodeSlice(); |
| } |
| |
| void testDecodeSlice() { |
| var decoder = UTF8.decoder; // Doesn't allow malformed. |
| var ascii = [0x41, 0x42, 0x43, 0x44, 0x45]; |
| Expect.equals("ABCDE", decoder.convert(ascii)); |
| Expect.equals("ABCDE", decoder.convert(ascii, 0)); |
| Expect.equals("ABCDE", decoder.convert(ascii, 0, ascii.length)); |
| Expect.equals("CDE", decoder.convert(ascii, 2)); |
| Expect.equals("BCD", decoder.convert(ascii, 1, 4)); |
| Expect.equals("ABCD", decoder.convert(ascii, 0, 4)); |
| |
| Expect.throws(() => decoder.convert(ascii, -1)); // start < 0. |
| Expect.throws(() => decoder.convert(ascii, 6)); // start > length |
| Expect.throws(() => decoder.convert(ascii, 0, -1)); // end < 0 |
| Expect.throws(() => decoder.convert(ascii, 0, 6)); // end > length |
| Expect.throws(() => decoder.convert(ascii, 3, 2)); // end < start |
| |
| var utf8 = [0xc2, 0x81, 0xc2, 0x82, 0xe1, 0x81, 0x81]; |
| Expect.equals("\u0081\u0082\u1041", decoder.convert(utf8)); |
| Expect.equals("\u0082\u1041", decoder.convert(utf8, 2)); |
| Expect.equals("\u0081\u0082", decoder.convert(utf8, 0, 4)); |
| Expect.equals("\u0082", decoder.convert(utf8, 2, 4)); |
| Expect.throws(() => decoder.convert(utf8, 1)); |
| Expect.throws(() => decoder.convert(utf8, 0, 1)); |
| Expect.throws(() => decoder.convert(utf8, 2, 5)); |
| } |