// 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.

// @dart = 2.9

/// @assertion void setLastModifiedSync (DateTime time)
/// Synchronously modifies the time the file was last modified.
///
/// If the attributes cannot be set, throws a FileSystemException.
/// @description Checks that this method modifies the time when file was last
/// modified.
/// @author ngl@unipro.ru

import "dart:io";
import "../../../Utils/expect.dart";
import "../file_utils.dart";

main() async {
  await inSandbox(_main);
}

_main(Directory sandbox) async {
  File file = getTempFileSync(parent: sandbox);
  DateTime oldDate = file.lastModifiedSync();
  DateTime newDate = oldDate.add(new Duration(seconds: -1));

  file.setLastModifiedSync(newDate);
  Expect.equals(newDate, file.lastModifiedSync());
}