blob: 2975afafefad0038a0ee5288097adfb999af3d51 [file] [log] [blame]
// Copyright (c) 2016, 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.
// Script used by the file_lock_test.dart test.
// @dart = 2.9
import "dart:async";
import "dart:io";
Future<int> testLockWholeFile(File file, int len) async {
var raf = await FileMode.append);
await raf.setPosition(0);
int nextToWrite = 1;
await raf.lock(FileLock.blockingExclusive, 0, len);
// Make sure the peer fails a non-blocking lock at some point.
await new Future.delayed(const Duration(seconds: 1));
int p = 0;
while (p < len) {
await raf.writeByte(1);
await raf.unlock(0, len);
await raf.close();
return 0;
main(List<String> args) async {
File file = new File(args[0]);
int len = int.parse(args[1]);
exit(await testLockWholeFile(file, len));