| // 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. |
| |
| /// @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 Encoding ASCII. |
| /// @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, encoding: ascii); |
| f.then((RandomAccessFile file) { |
| var flen = file.lengthSync(); |
| rf.setPositionSync(0); |
| List<int> l = file.readSync(flen); |
| var ed = new AsciiCodec(); |
| String s1 = ed.decode(l); |
| Expect.equals(s, s1); |
| asyncEnd(); |
| }).whenComplete(() { |
| rf.closeSync(); |
| file.deleteSync(); |
| }); |
| }); |
| } |
| |
| main() { |
| check(""); |
| check("abc"); |
| check('abcdefjhigklmnopqrstuvwxyz1234567890'); |
| } |