blob: 66ee3774f6052570b65e42598c547d4d1402c56f [file] [log] [blame]
// 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));
}