blob: 334bf59a43899fbcf90450a4d9afc4160aa33797 [file] [log] [blame]
/*
* 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> lock([
* FileLock mode = FileLock.exclusive,
* int start = 0,
* int end = -1
* ])
* Locks the file or part of the file.
*
* By default an exclusive lock will be obtained, but that can be overridden by
* the mode argument.
*
* @description Checks that method lock may lock the whole file (by default in
* an exclusive mode).
* @author ngl@unipro.ru
*/
import "dart:async";
import "dart:io";
import "../../../Utils/expect.dart";
import "../file_utils.dart";
import "lock_check_1_lib.dart";
main() {
File file = getTempFileSync();
file.writeAsBytesSync(new List.filled(6, 0));
var rf = file.openSync(mode: FileMode.write);
asyncStart();
var rfLock = rf.lock();
rfLock.then((RandomAccessFile f) {
var tests = [
() => checkLocked(f.path, 0, 1),
() => checkLocked(f.path, 1, 2),
() => checkLocked(f.path, 2, 3),
() => checkLocked(f.path, 3, 4),
() => checkLocked(f.path, 4, 5),
() => checkLocked(f.path, 5, 6)
];
Future.forEach(tests, (f) => f()).whenComplete(() {
asyncEnd();
rf.unlockSync();
rf.closeSync();
file.deleteSync();
});
});
}