// 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 LinkedHashMap.fromIterables(Iterable<K> keys, Iterable<V> values)
/// ...
/// It is an error if the two [Iterables] don't have the same length.
/// @description Checks that it is an error if the two [Iterables] don't have
/// the same length.
/// @author sgrekhov@unipro.ru

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

check(Iterable keys, Iterable values) {
  Expect.throws(() {new LinkedHashMap.fromIterables(keys, values);});
}

main() {
  check([1, 2, 3], [1, 2, 3, 4]);
  check([1, 2, 3, 4], [1, 2, 3]);
  check([], [1, 2, 3]);
  check([1, 2, 3, 4], []);
  check([1, 2, 3, null, null], [1, 2, 3, 4]);
  check([1, 1, 1], [1]);
}