// 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<DateTime> lastModified()
/// Get the last-modified time of the file.
///
/// Returns the date and time when the file was last modified, if the information
/// is available.
///
/// Throws a FileSystemException if the operation fails.
/// @description Checks that this method returns the last-modified time of the
/// file.
/// @author sgrekhov@unipro.ru

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

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

void _main(Directory sandbox) async {
  File file = getTempFileSync(parent: sandbox);
  asyncStart();
  await file.lastModified().then((DateTime date) {
    Expect.isNotNull(date);
    Expect.isTrue(date.difference(new DateTime.now()).inSeconds <= 10);
    asyncEnd();
  });
}