LibTest/io/File/setLastModified_A02_t01.dart

// 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 setLastAccessed(DateTime time)
/// Modifies the time the file was last accessed.
///
/// Throws a FileSystemException if the time cannot be set.
/// @descriptionChecks that a FileSystemException is thrown if the time cannot
/// be set
/// @author sgrekhov@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(days: -1));

  file.deleteSync();

  asyncStart();
  await file.setLastModified(newDate).then((_) {
    Expect.fail("FileSystemException expected");
  }, onError: (e) {
    Expect.isTrue(e is FileSystemException);
    asyncEnd();
  });
}