Zach Anderson
afb490adbc
This CL updates dart:io but not dart:_http. It updates the sdk sources, the patch files, and tests. Change-Id: I64c3da407f09fa2bc6eec582049c4ae3a8afbe6d Reviewed-on: https://dart-review.googlesource.com/52990 Commit-Queue: Zach Anderson <zra@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
34 lines
927 B
Dart
34 lines
927 B
Dart
// 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.
|
|
|
|
import "dart:async";
|
|
import "dart:io";
|
|
|
|
Future<int> testLockWholeFile(File file, int len) async {
|
|
var raf = await file.open(mode: 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);
|
|
p++;
|
|
}
|
|
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));
|
|
}
|