public void TestFunctionK()
{
var zero = new FunctionZero();
var one = new FunctionSucc().exec(zero);
var two = new FunctionDbl().exec(one);
var four = new FunctionDbl().exec(two);
var Kpart = new FunctionK().exec(four);
Assert.AreEqual(false, Kpart.isDigit());
var final = Kpart.exec(two);
Assert.AreEqual(true, final.isDigit());
Assert.AreEqual(4, (final as Digit).digit);
}
public void TestFunctionS()
{
var eng = new Engine.BaseTypes.Engine(0);
var cell = eng.getPlayerCells()[2];
cell.setValue(new FunctionDbl());
var zero = new FunctionZero();
var one = new FunctionSucc().exec(zero);
var two = new FunctionDbl().exec(one);
var g = new FunctionDbl();
var f = new FunctionGet();
var part1 = new FunctionS().exec(f);
var part2 = part1.exec(g);
var res = part2.exec(two);
Assert.AreEqual(true, res.isDigit());
Assert.AreEqual(8, (res as Digit).digit);
}
public void TestFunctionsComposition()
{
var zero = new FunctionZero();
var succ = new FunctionSucc();
var res = succ.exec(zero);
var idn = new FunctionI().exec(res);
var dubl = new FunctionDbl().exec(idn);
Assert.AreEqual(1, (res as Digit).digit);
Assert.AreEqual(1, (idn as Digit).digit);
Assert.AreEqual(2, (dubl as Digit).digit);
}
public void TestFunctionsSuccAndDbl()
{
var funf = new Digit(5);
var succ = new FunctionSucc();
var res = succ.exec(funf);
Assert.AreEqual(true, res.isDigit());
Assert.AreEqual(6, (res as Digit).digit);
var dbl = new FunctionDbl();
var res2 = dbl.exec(funf);
Assert.AreEqual(true, res2.isDigit());
Assert.AreEqual(10, (res2 as Digit).digit);
}