| // 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<RandomAccessFile> lock([ |
| /// FileLock mode = FileLock.exclusive, |
| /// int start = 0, |
| /// int end = -1 |
| /// ]) |
| /// . . . |
| /// If mode is FileLock.exclusive or FileLock.shared, an error is signaled if the |
| /// lock cannot be obtained. If mode is FileLock.blockingExclusive or |
| /// FileLock.blockingShared, the returned Future is resolved only when the lock |
| /// has been obtained. |
| /// |
| /// @description Checks that if mode is FileLock.blockingExclusive, the returned |
| /// Future is resolved only when the lock has been obtained. |
| /// @author ngl@unipro.ru |
| |
| import "dart:async"; |
| import "dart:io"; |
| import "../../../Utils/expect.dart"; |
| import "../file_utils.dart"; |
| import "lock_check_3_lib.dart"; |
| |
| void check(int fLen) { |
| File file = getTempFileSync(); |
| asyncStart(); |
| var rf = file.openSync(mode: FileMode.write); |
| rf.writeFromSync(new List.filled(fLen, 1)); |
| var rfLock = rf.lock(FileLock.exclusive); |
| rfLock.then((RandomAccessFile f) { |
| var tests = [ |
| () => checkUnlocked(Platform.script.toString(), f.path, 0, -1, FileLock.blockingExclusive) |
| ]; |
| Future.forEach(tests, (Function f) => f()).whenComplete(() { |
| asyncEnd(); |
| rf.closeSync(); |
| file.deleteSync(); |
| }); |
| }).whenComplete(() { |
| rf.unlockSync(); |
| }); |
| } |
| |
| runMain() { |
| check(10); |
| check(1000); |
| } |
| |
| main(List<String> args) { |
| if (args.length > 0) |
| runProcess(args); |
| else { |
| runMain(); |
| } |
| } |