public void CallDataHoldsHashCode()
{
var st = new CallData(1, 0, 0, 0);
var st2 = new CallData(1, 0, 0, 0);
Assert.AreNotSame(st2, st);
Assert.AreEqual(st.GetHashCode(), st2.GetHashCode());
var st3 = new CallData(2, 0, 0, 0);
Assert.AreNotEqual(st.GetHashCode(), st3.GetHashCode());
}