public void Unify_lis_con()
{
ListTerm list = new ListTerm();
ConstantTerm con = new ConstantTerm();
Assert.IsFalse(list.Unify(con));
}
public void Unify_lis_str()
{
ListTerm list = new ListTerm();
StructureTerm con = new StructureTerm("s", 2);
Assert.IsFalse(list.Unify(con));
}
public void Unify_lis_ne_lis()
{
ListTerm list1 = new ListTerm();
list1.Next = new ConstantTerm("ali");
list1.Next.Next = new ConstantTerm("[]");
ListTerm list2 = new ListTerm();
list2.Next = new ConstantTerm("ali");
list2.Next.Next = new ConstantTerm("foo");
Assert.IsFalse(list1.Unify(list2));
}
public void Unify_lis_ref()
{
ListTerm list = new ListTerm();
list.Next = new ConstantTerm("ali");
list.Next.Next = new ConstantTerm("samir");
AbstractTerm term = new AbstractTerm();
Assert.IsTrue(list.Unify(term));
Assert.AreSame(list.Head, term.Head);
Assert.AreSame(list.Tail, term.Tail);
}
public void Unify_list_ref_lis()
{
ListTerm list1 = new ListTerm();
list1.Next = new AbstractTerm();
list1.Next.Next = new ConstantTerm("[]");
ListTerm list2 = new ListTerm();
list2.Next = new ConstantTerm("ali");
list2.Next.Next = new ConstantTerm("[]");
Assert.IsTrue(list1.Unify(list2));
Assert.AreEqual(list1.Head.Data(), list2.Head.Data());
}