LibTest/io/File/setLastAccessed_A01_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.
 * @description Checks that this method modifies the time the file was last
 * accessed.
 * @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.lastAccessedSync();
  DateTime newDate = oldDate.add(new Duration(seconds: -1));

  asyncStart();
  await file.setLastAccessed(newDate).then((_) {
    Expect.equals(newDate, file.lastAccessedSync());
    asyncEnd();
  });
}