| /* |
| * 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 Stream<FileSystemEvent> watch({ |
| * int events: FileSystemEvent.ALL, |
| * bool recursive: false |
| * }) |
| * Start watching the FileSystemEntity for changes. |
| * @description Checks that this method watches the FileSystemEntity for |
| * changes. |
| * @author sgrekhov@unipro.ru |
| */ |
| import "dart:io"; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| import "../file_utils.dart"; |
| |
| main() async { |
| await inSandbox(_main); |
| } |
| |
| _main(Directory sandbox) async { |
| Directory dir = getTempDirectorySync(parent: sandbox); |
| |
| final eventCompleter = new Completer<FileSystemEvent?>(); |
| StreamSubscription? subscription; |
| asyncStart(); |
| subscription = dir.watch().listen((FileSystemEvent event) async { |
| eventCompleter.complete(event); |
| await subscription?.cancel(); |
| Expect.equals(FileSystemEvent.create, event.type); |
| asyncEnd(); |
| }); |
| dir.createTempSync(); |
| await eventCompleter.future |
| .timeout(Duration(seconds: eventsTimeout), onTimeout: () async { |
| await subscription?.cancel(); |
| }); |
| } |