blob: 036a3947e1da23f43d90bf3543200903b7294bf5 [file] [log] [blame]
// Copyright (c) 2017, 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
/// @assertion
/// Future<RandomAccessFile> writeString(
/// String string, {
/// Encoding encoding: utf8
/// })
/// Writes a string to the file using the given Encoding.
///
/// @description Checks that method writeString writes a string to the file using
/// the given default Encoding utf8.
/// @author ngl@unipro.ru
import "dart:async";
import "dart:io";
import "dart:convert";
import "../../../Utils/expect.dart";
import "../file_utils.dart";
check(String s) {
File file = getTempFileSync();
asyncStart();
Future<RandomAccessFile> raFile = file.open(mode: FileMode.write);
raFile.then((RandomAccessFile rf) {
var f = rf.writeString(s);
f.then((RandomAccessFile file) {
var flen = file.lengthSync();
rf.setPositionSync(0);
List<int> l = file.readSync(flen);
var ed = new Utf8Codec();
String s1 = ed.decode(l);
Expect.equals(s, s1);
asyncEnd();
}).whenComplete(() {
rf.closeSync();
file.deleteSync();
});
});
}
main() {
check("");
check("abc");
check("алфавит");
}