public void Constructor ()
{
PermissionSetCollection psc = new PermissionSetCollection ();
Assert.AreEqual (0, psc.Count, "Count");
Assert.IsFalse (psc.IsSynchronized, "IsSynchronized");
Assert.AreEqual (0, psc.PermissionSets.Count, "PermissionSets.Count");
Assert.AreEqual (psc.ToXml ().ToString (), psc.ToString (), "ToXml().ToString()==ToString()");
Assert.IsNotNull (psc.GetEnumerator (), "GetEnumerator");
}