// 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 DateTime modified
///  final
/// The time of the last change to the data of the file system object.
/// @description Checks that this property returns the time of the last access to
/// the data of the file system object
/// @author sgrekhov@unipro.ru
/// @issue 18442

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);
  await new Future.delayed(new Duration(seconds: 1));
  asyncStart();
  await FileStat.stat(file.path).then((FileStat fs) async {
    DateTime modified1 = fs.modified;
    await file.writeAsBytes([1, 2, 3]).then((_) {
        FileStat fs2 = FileStat.statSync(file.path);
        Expect.isTrue(modified1.millisecondsSinceEpoch <
            fs2.modified.millisecondsSinceEpoch);
        asyncEnd();
    });
  });
}