| // 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<void> close() |
| /// Closes the file. Returns a Future that completes when it has been closed. |
| /// |
| /// @description Checks that method close() returns Future<void> that completes |
| /// when the file has been closed, and getting length synchronously of this |
| /// closed file throws FileSystemException. |
| /// @author ngl@unipro.ru |
| |
| import "dart:async"; |
| import "dart:io"; |
| import "../../../Utils/expect.dart"; |
| import "../file_utils.dart"; |
| |
| main() { |
| File file = getTempFileSync(); |
| asyncStart(); |
| Future<RandomAccessFile> raFile = file.open(mode: FileMode.read); |
| raFile.then((RandomAccessFile rf) { |
| Expect.isNotNull(rf); |
| rf.close().then((_) { |
| try { |
| rf.lengthSync(); |
| Expect.fail('should not be here'); |
| } on Exception catch (e) { |
| Expect.isTrue(e is FileSystemException); |
| } |
| asyncEnd(); |
| }).whenComplete(() { |
| file.delete(); |
| }); |
| }); |
| } |