// 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 Link renameSync(String newPath)
/// Synchronously renames this link. Returns a Link instance for the renamed
/// link.
///
/// If newPath identifies an existing link, that link is replaced. If newPath
/// identifies an existing file or directory the operation fails and an exception
/// is thrown.
/// @description Checks that if newPath identifies an existing file the
/// operation fails and an exception is thrown.
/// @author sgrekhov@unipro.ru
/// @issue 30697

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

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

_main(Directory sandbox) async {
  Link link = getTempLinkSync(parent: sandbox);
  File file = getTempFileSync(parent: sandbox);

  Expect.throws(() {
    link.renameSync(file.path);
  });
  Expect.isTrue(link.existsSync());
  Expect.isTrue(file.existsSync());
}