public AlphabeticalOrderIterator(WordsCollection collection, bool reserve = false)
{
_collection = collection;
_reserve = reserve;
if (reserve)
{
_position = collection.GetItems().Count - 1;
}
}
public AlphabeticalOrderIterator(WordsCollection collection, bool reverse)
{
_collection = collection;
_reverse = reverse;
if (reverse)
{
_position = collection.GetItems().Count;
}
}
public void Test_words()
{
var collection = new WordsCollection();
collection.AddItem("Tuan");
collection.AddItem("Hello");
collection.AddItem("First");
Assert.That(collection.GetItems().Count == 3);
{
var iterator = collection.GetEnumerator();
Assert.That(iterator.Current, Is.EqualTo("Tuan"));
iterator.MoveNext(); Assert.That(iterator.Current, Is.EqualTo("Hello"));
iterator.MoveNext(); Assert.That(iterator.Current, Is.EqualTo("First"));
iterator.Reset(); Assert.That(iterator.Current, Is.EqualTo("Tuan"));
iterator.MoveNext();
iterator.MoveNext();
Assert.That(iterator.Current, Is.EqualTo("First"));
}
collection.ReserveDirection();
{
var iterator = collection.GetEnumerator();
Assert.That(iterator.Current, Is.EqualTo("First"));
iterator.MoveNext(); Assert.That(iterator.Current, Is.EqualTo("Hello"));
iterator.MoveNext(); Assert.That(iterator.Current, Is.EqualTo("Tuan"));
iterator.Reset(); Assert.That(iterator.Current, Is.EqualTo("First"));
iterator.MoveNext();
iterator.MoveNext();
Assert.That(iterator.Current, Is.EqualTo("Tuan"));
}
}
public override object Current()
{
return(_collection.GetItems()[_position]);
}
