| // 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<int> length() |
| /// Get the length of the file. Returns a Future<int> that completes with the |
| /// length in bytes. |
| /// @description Checks that this method completes the future with a |
| /// FileSystemException if the operation fails. |
| /// @author sgrekhov@unipro.ru |
| |
| import "dart:io"; |
| import "../../../Utils/expect.dart"; |
| import "../file_utils.dart"; |
| |
| main() async { |
| await inSandbox(_main); |
| } |
| |
| _main(Directory sandbox) async { |
| File file = new File(getTempFilePath(parent: sandbox)); |
| asyncStart(); |
| await file.length().then((int length) { |
| Expect.fail("FileSystemException expected"); |
| }, onError: (e) { |
| Expect.isTrue(e is FileSystemException); |
| asyncEnd(); |
| }); |
| } |