blob: e1ee30ca22da671cb37349ce01ec26e38c2c93c0 [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
/// ])
/// . . .
/// To obtain an exclusive lock on a file it must be opened for writing.
///
/// @description Checks that to obtain an exclusive lock on a file it must be
/// opened for writing.
/// @author ngl@unipro.ru
import "dart:async";
import "dart:io";
import "../../../Utils/expect.dart";
import "../file_utils.dart";
import "lock_check_1_lib.dart";
void check(int fLen) {
File file = getTempFileSync();
var rf = file.openSync(mode: FileMode.write);
rf.writeFromSync(new List.filled(fLen, 1));
asyncStart();
var rfLock = rf.lock(FileLock.exclusive);
rfLock.then((RandomAccessFile f) {
var tests = [() => checkLocked(Platform.script.toString(), f.path, 0, fLen, FileLock.exclusive)];
Future.forEach(tests, (Function f) => f()).whenComplete(() {
asyncEnd();
rf.unlockSync();
rf.closeSync();
file.deleteSync();
});
});
}
runMain() {
check(10);
check(1000);
}
main(List<String> args) {
if(args.length > 0)
runProcess(args);
else {
runMain();
}
}