// 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 E single
/// If [this] is empty or has more than one element throws a [StateError].
/// @description Checks that a [StateError] is thrown if [this]
/// has more than one element.
/// @author msyabro

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

check(string) {
  var runes = new Runes(string);
  Expect.throws(() {runes.single;}, (e) => e is StateError);
}

main() {
  check('  ');
  check('string');
  check('\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00');
}