// Copyright (c) 2013, 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 final int first
/// If [this] is empty throws a [StateError].
/// @description Checks that a [StateError] is thrown if [this] is empty.
/// @author msyabro

import "../../../Utils/expect.dart";

void check(string) {
  var runes = new Runes(string);
  Expect.equals(runes.elementAt(0), runes.first);
}

main() {
  check("just a string");
  check("\u{10000}\u{10001}\u{10002}\u{12345}");
  check("\x00");
}