blob: 3c08750b9ab95e8510dd1c5f3dd8538ea61db7e0 [file] [log] [blame]
// 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(' ');