public WordsEnumerator(SentenceAsEnumerable sentence)
{
this._sentence = sentence;
this._index = 0;
this.Current = default(string);
}
public override void Execute()
{
IAggregate <string> sentence = new Sentence("The quick brown fox jumps over the lazy dog.");
IIterator <string> sentenceIterator = sentence.CreateIterator();
// To iterate the words in the sentence:
// while (sentenceIterator.HasNext())
// {
// string word = sentenceIterator.Next();
// }
Assert.NotNull(sentenceIterator);
Assert.True(sentenceIterator.HasNext());
Assert.Equal("The", sentenceIterator.Next());
Assert.True(sentenceIterator.HasNext());
Assert.Equal("quick", sentenceIterator.Next());
Assert.True(sentenceIterator.HasNext());
Assert.Equal("brown", sentenceIterator.Next());
Assert.True(sentenceIterator.HasNext());
Assert.Equal("fox", sentenceIterator.Next());
Assert.True(sentenceIterator.HasNext());
Assert.Equal("jumps", sentenceIterator.Next());
Assert.True(sentenceIterator.HasNext());
Assert.Equal("over", sentenceIterator.Next());
Assert.True(sentenceIterator.HasNext());
Assert.Equal("the", sentenceIterator.Next());
Assert.True(sentenceIterator.HasNext());
Assert.Equal("lazy", sentenceIterator.Next());
Assert.True(sentenceIterator.HasNext());
Assert.Equal("dog", sentenceIterator.Next());
Assert.False(sentenceIterator.HasNext());
IEnumerable <string> sentenceAsEnumerable = new SentenceAsEnumerable("The quick brown fox jumps over the lazy dog.");
Assert.Equal(new[] { "The", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog" }, sentenceAsEnumerable);
// To iterate over an Enumerable:
//
// using (IEnumerator<string> sentenceEnumerator = sentenceAsEnumerable.GetEnumerator())
// {
// while (sentenceEnumerator.MoveNext())
// {
// string word = sentenceEnumerator.Current;
//
// }
// }
//
// or simply:
//
// foreach (string word in sentenceAsEnumerable)
// {
//
// }
}