// Copyright (c) 2016, 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 bool hasNext
/// @description Checks that [hasNext] throws error if iterator is [null]
/// @author sgrekhov@unipro.ru

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

main() {
  HasNextIterator i1 = new HasNextIterator(null);
  Expect.throws(() {i1.hasNext;});
}