// Copyright (c) 2011, 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 final Iterator<E> iterator
/// Returns an [Iterator] that iterates over this [Iterable] object.
/// @description Checks that the returned [Iterator] iterates all elements of the
/// list.
/// @author kaigorodov

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

void checkIterator(List a0) {
  LinkedList a = toLinkedList(a0);
  Iterator<MyLinkedListEntry> it = a.iterator;
  int i = 0;
  while (it.moveNext()) {
    Expect.isTrue(it.current.value == a0[i++]);
  }
  Expect.equals(a.length, i);
}

main() {
  checkIterator([]);
  checkIterator(const [null,0, "1", false, const []]);
  checkIterator(new List(300));

  List a = new List(365);
  for (var i=0; i < a.length; i++) {
    a[i] = i;
  }
  checkIterator(a);

  List l = new List();
  l.addAll(["0", "1", "2", "3", "4", "5"]);
  a = new List.from(l);
  checkIterator(a);
}