protected override bool MatchesSafely(IEnumerable <T> items, IDescription mismatchDescription)
{
List <IMatcher <T> > matchers = new List <IMatcher <T> >(_matchers);
object lastMatchedItem = null;
int nextMatchIx = 0;
foreach (var item in items)
{
if (nextMatchIx < matchers.Count)
{
var matcher = matchers.ElementAt(nextMatchIx);
if (matcher.Matches(item))
{
lastMatchedItem = item;
nextMatchIx++;
}
}
}
if (nextMatchIx >= matchers.Count)
{
return(true);
}
mismatchDescription.AppendDescribable(matchers.ElementAt(nextMatchIx))
.AppendText(" was not found");
if (lastMatchedItem != null)
{
mismatchDescription.AppendText(" after ")
.AppendValue(lastMatchedItem);
}
return(false);
}
public bool IsFinished()
{
if (_nextMatchIndex >= _matchers.Count)
{
return(true);
}
_description.AppendText("no item was ");
_description.AppendDescribable(_matchers[_nextMatchIndex]);
return(false);
}
protected override bool Matches(object actual, IDescription description)
{
foreach (var describable in _matchers)
{
var matcher = (IMatcher <T>)describable;
if (matcher.Matches(actual))
{
continue;
}
description.AppendDescribable(matcher).AppendText(" ");
matcher.DescribeMismatch(actual, description);
return(false);
}
return(true);
}
public override void Describe(IDescription description)
{
description.AppendDescribable(_matcher);
}
