public void Case3()
{
Context test1 = new Context ("q", "a");
Context test2 = new Context ("", "");
Assert.IsNotNull (test1, "C03-A");
Assert.IsNotNull (test2, "C03-B");
}
public override Hashtable GetDelta()
{
ArrayList [] trans = GetDeltaAux ();
Hashtable hash = new Hashtable ();
foreach (ArrayList list in trans) {
Context con = new Context ((string) list[0], (string) list [1]);
string [] tstates = new string [list.Count - 2];
list.CopyTo (2, tstates, 0, tstates.Length);
StringBuilder fstates = new StringBuilder ();
int count = 1;
foreach (string state in tstates)
if (count++ != tstates.Length)
fstates.AppendFormat ("{0}:", state);
else
fstates.AppendFormat ("{0}", state);
hash.Add (con, fstates.ToString ());
}
return hash;
}
public void Case4()
{
int code1, code2;
Context test1 = new Context ("q", "a");
Context test2 = new Context ("q", "a");
code1 = test1.GetHashCode ();
code2 = test2.GetHashCode ();
Console.WriteLine ("test1 object has HashCode: {0}", code1);
Console.WriteLine ("test2 object has HashCode: {0}", code2);
Assert.AreEqual (code1, code2, "C04");
}
public void Case2()
{
Context test1 = new Context ("q", "b");
Context test2 = new Context ("q", "b");
Assert.IsTrue (test1 == test2, "C02");
}
public void Case1()
{
Context test1 = new Context ("q", "a");
Context test2 = new Context ("q", "a");
Assert.AreEqual (test1, test2, "C01");
}
public bool DoTransition(char cInput)
{
Context con = new Context (current_state, cInput.ToString ());
current_state = (string) delta[con];
return (current_state != null);
}
private void GetDeltaFinal(RegGram gram)
{
Hashtable hash = new Hashtable ();
bool acepta = false;
string [][] propositions = gram.Propositions;
foreach (string [] prop in propositions) {
string left = prop [0];
string right = prop [1];
if (right == "epsilon")
acepta = true;
if (right.IndexOf (":") == -1) {
Context con = new Context (left, right);
if (hash [con] == null) {
hash.Add (con, "ZFinal");
} else {
string temp = (string) hash [con];
hash.Remove (con);
hash.Add (con, temp + ":ZFinal");
}
} else {
string [] sub = right.Split (':');
string subleft = sub [0];
string subright = sub [1];
Context con = new Context (left, subleft);
if (hash [con] == null) {
hash.Add (con, subright);
} else {
string temp = (string) hash [con];
hash.Remove (con);
hash.Add (con, temp + ":" + subright);
}
}
}
foreach (string sym in alph) {
hash.Add (new Context ("ZFinal", sym), "ERROR");
hash.Add (new Context ("ERROR", sym), "ERROR");
}
delta = hash;
string [] nfstates;
if (acepta) {
nfstates = new string [2];
nfstates [0] = "ZFinal";
nfstates [1] = gram.ISym;
} else {
nfstates = new string [1];
nfstates [0] = "ZFinal";
}
f_states = nfstates;
}
