public void ShouldHasOnlyOneInstanceOfFactory()
{
var sfp = new SessionFactoryProvider();
ISessionFactory sf1 = sfp.GetFactory(null);
ISessionFactory sf2 = sfp.GetFactory(null);
Assert.That(sf1, Is.Not.Null);
Assert.That(ReferenceEquals(sf1, sf2));
Assert.That(sfp.Count(), Is.EqualTo(1));
IEnumerator en = ((IEnumerable)sfp).GetEnumerator();
int i = 0;
while (en.MoveNext())
{
i++;
}
Assert.That(i, Is.EqualTo(1));
}