// 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 Future<Directory> rename(String newPath)
/// Renames this directory. Returns a Future<Directory> that completes with a
/// Directory instance for the renamed directory.
///
/// If newPath identifies an existing directory, that directory is replaced. If
/// newPath identifies an existing file, the operation fails and the future
/// completes with an exception.
/// @description Checks that if newPath identifies an existing file, the
/// operation fails and the future completes with an exception.
/// @author sgrekhov@unipro.ru

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

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

_main(Directory sandbox) async {
  Directory srcDir = getTempDirectorySync(parent: sandbox);
  File target = getTempFileSync(parent: sandbox);

  asyncStart();
  await srcDir.rename(target.path).then((d) {
    Expect.fail("Exception expected");
  }, onError: (e) {
    Expect.isTrue(e is FileSystemException);
    asyncEnd();
  });
}