LibTest/collection/LinkedList/LinkedList.lib.dart

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

class MyLinkedListEntry<E> extends LinkedListEntry<MyLinkedListEntry<E>> {
  E value;
  MyLinkedListEntry(this.value);
  
  String toString() {
    return "($value)";
  }
}

LinkedList<MyLinkedListEntry> toLinkedList(Iterable entries) {
  LinkedList<MyLinkedListEntry> res=new LinkedList<MyLinkedListEntry>();
  entries.forEach((entry) => res.add(new MyLinkedListEntry(entry)));
  return res;
}

void entriesEquals(Iterable<MyLinkedListEntry> expected, LinkedList<MyLinkedListEntry> actual) {
  Iterator eit=expected.iterator;
  Iterator ait=actual.iterator;
  while (eit.moveNext()) {
    Expect.isTrue(ait.moveNext());
    Expect.equals(eit.current, ait.current);
  }
  Expect.isFalse(ait.moveNext());
}

void contentEquals(Iterable expected, LinkedList<MyLinkedListEntry> actual) {
  Iterator eit=expected.iterator;
  Iterator ait=actual.iterator;
  while (eit.moveNext()) {
    Expect.isTrue(ait.moveNext());
    Expect.equals(eit.current, ait.current.value);
  }
  Expect.isFalse(ait.moveNext());
}