/*
 * 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 void unlockSync([int start = 0, int end = -1])
 * Synchronously unlocks the file or part of the file.
 *
 * NOTE file locking does have slight differences in behavior across platforms:
 *
 * See lockSync for more details.
 *
 * @description Checks that on Windows the regions used for lock and unlock
 * needs to match.
 * @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();
  var rf1 = file.openSync(mode: FileMode.write);
  rf1.writeFromSync(new List.filled(10, 0));
  asyncStart();
  rf1.lockSync(FileLock.exclusive, 4, 7);
  var tests = [
    () => checkLocked(rf1.path, 4, 7),
    () => checkUnlocked(rf1.path, 0, 4),
    () => checkUnlocked(rf1.path, 7, 10),
  ];
  Future.forEach(tests, (f) => f()).whenComplete(() {
    if (!Platform.isWindows) {
      rf1.unlockSync(0, 10);
    } else {
      rf1.unlockSync(4, 7);
    }
    var tests = [() => checkUnlocked(rf1.path, 0, 10)];
    Future.forEach(tests, (f) => f()).whenComplete(() {
      asyncEnd();
      rf1.closeSync();
      file.deleteSync();
    });
  });
}