public void Assign()
{
AbstractTerm term = new AbstractTerm();
ConstantTerm con = new ConstantTerm("ali");
term.Assign(con);
Assert.AreSame(term.Dereference(), con);
Assert.AreSame(term.Dereference(), con.Dereference());
Assert.AreEqual(term.Data(), con.Data());
Assert.AreSame(term.Reference(), con.Reference());
Assert.IsFalse(term.IsList);
Assert.IsFalse(term.IsObject);
Assert.IsFalse(term.IsReference);
Assert.IsFalse(term.IsStructure);
Assert.IsTrue(term.IsConstant);
}
public void Unify_ref_con()
{
AbstractTerm term = new AbstractTerm();
ConstantTerm con = new ConstantTerm();
Assert.IsTrue(term.Unify(con));
Assert.AreEqual(term.Data(), con.Data());
Assert.AreSame(term.Reference(), con.Reference());
Assert.IsTrue(term.IsConstant);
Assert.IsFalse(term.IsReference);
}
public void ConstantTerm()
{
ConstantTerm c = new ConstantTerm("Ali");
Assert.AreEqual("Ali", c.Data());
}
public void Data()
{
ConstantTerm t = new ConstantTerm();
Assert.IsNull(t.Data());
}
public void Unify_con_ref()
{
AbstractTerm term = new AbstractTerm();
ConstantTerm con = new ConstantTerm("ali");
Assert.IsTrue(con.Unify(term));
Assert.AreSame(term.Data(), con.Data());
}