blob: 5ec13adcb0dfc4e0b7d92b761adf1363374bf244 [file] [log] [blame]
// Copyright (c) 2015, 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 'dart:io';
import 'dart:convert';
import "package:expect/expect.dart";
// This only works reliabily for "ASCII" cross platform as that is the only
// well known part of the default Windows code page.
void testEncodeDecode(String str) {
Expect.equals(systemEncoding.decode(systemEncoding.encode(str)), str);
}
// This only works reliabily for "ASCII" cross platform as that is the only
// common set of bytes between UTF-8 Windows code pages that convert back
// and forth.
void testDecodeEncode(List<int> bytes) {
Expect.listEquals(systemEncoding.encode(systemEncoding.decode(bytes)), bytes);
}
void test(List<int> bytes) {
var str = new String.fromCharCodes(bytes);
Expect.equals(systemEncoding.decode(bytes), str);
Expect.listEquals(systemEncoding.encode(str), bytes);
testDecodeEncode(bytes);
testEncodeDecode(str);
}
main() {
test([65, 66, 67]);
test([65, 0, 67]);
test([0, 65, 0, 67, 0]);
test([0, 0, 0]);
test(new Iterable.generate(128, (i) => i).toList());
if (Platform.isWindows) {
// On Windows the default Windows code page cannot encode these
// Unicode characters and the ? character is used.
Expect.listEquals(
systemEncoding.encode('\u1234\u5678\u9abc'), '???'.codeUnits);
} else {
// On all systems except for Windows UTF-8 is used as the system
// encoding.
Expect.listEquals(systemEncoding.encode('\u1234\u5678\u9abc'),
utf8.encode('\u1234\u5678\u9abc'));
}
}