| /* |
| * 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> writeFrom( |
| * List<int> buffer, [ |
| * int start = 0, |
| * int end |
| * ]) |
| * Writes from a List<int> to the file. |
| * . . . |
| * Returns a Future<RandomAccessFile> that completes with this RandomAccessFile |
| * when the write completes. |
| * |
| * @description Checks that method writeFrom writes from a List<int> to the file |
| * and returns Future<RandomAccessFile> that completes with this |
| * RandomAccessFile when the write completes. |
| * @author ngl@unipro.ru |
| */ |
| import "dart:async"; |
| import "dart:io"; |
| import "../../../Utils/expect.dart"; |
| import "../file_utils.dart"; |
| |
| void check(List<int> list) { |
| int len = list.length; |
| File file = getTempFileSync(); |
| asyncStart(); |
| Future<RandomAccessFile> raFile = file.open(mode: FileMode.write); |
| raFile.then((RandomAccessFile rf) { |
| Expect.equals(0, file.lengthSync()); |
| var f = rf.writeFrom(list); |
| Expect.isTrue(f is Future<RandomAccessFile>); |
| f.then((RandomAccessFile file) { |
| Expect.isTrue(file is RandomAccessFile); |
| Expect.equals(rf, file); |
| Expect.equals(len, file.lengthSync()); |
| rf.setPositionSync(0); |
| List<int> l = file.readSync(len); |
| for (int i = 0; i < len; i++) { |
| Expect.isTrue(i == l[i]); |
| } |
| asyncEnd(); |
| }).whenComplete(() { |
| rf.closeSync(); |
| file.deleteSync(); |
| }); |
| }); |
| } |
| |
| main() { |
| List<int> list = new List<int>(10); |
| check([]); |
| for (int i = 0; i < 10; i++) { |
| list[i] = i; |
| check(list.sublist(0, i + 1)); |
| } |
| } |