/// <summary>
/// Construct a <see cref="MapEnumerator">MapEnumerator</see> from a persistent map.
/// </summary>
/// <param name="map">The map to iterate over.</param>
public MapEnumerator(IPersistentMap map)
{
_seqEnum = new SeqEnumerator(map.seq());
}
/// <summary>
/// Construct a <see cref="MapEnumerator">MapEnumerator</see> from a persistent map.
/// </summary>
/// <param name="map">The map to iterate over.</param>
public MapEnumerator(IPersistentMap map)
{
_seqEnum = new SeqEnumerator(map.seq());
}
public void SeqIteratorResetAtEndWorks()
{
Cons c = new Cons(1, new Cons(2, null));
SeqEnumerator s = new SeqEnumerator(c);
s.MoveNext();
s.MoveNext();
s.MoveNext();
s.Reset();
Expect(s.MoveNext());
Expect(s.Current, EqualTo(1));
Expect(s.MoveNext());
Expect(s.Current, EqualTo(2));
Expect(s.Current, EqualTo(2));
Expect(s.MoveNext(), False);
}
public void SeqIteratorMovedToEmptyHasNoCurrent()
{
Cons c = new Cons(1, new Cons(2, null));
SeqEnumerator s = new SeqEnumerator(c);
s.MoveNext();
s.MoveNext();
s.MoveNext();
// Have to assign to access
object o = s.Current;
}
public void SeqIteratorOnEmptyHasNoCurrent()
{
SeqEnumerator s = new SeqEnumerator(null);
// Have to assign to access
object o = s.Current;
}
public void SeqIteratorOnEmptySeqGoesNowhere()
{
SeqEnumerator s = new SeqEnumerator(null);
Expect(s.MoveNext(), False);
}
public void SeqIteratorOnEmptyHasNoCurrent()
{
SeqEnumerator s = new SeqEnumerator(null);
object o = s.Current;
}