public void TestFactorial()
{
var result = Prob15.Factorial(5);
Assert.AreEqual(120, result);
result = Prob15.Factorial(6);
Assert.AreEqual(720, result);
result = Prob15.Factorial(10);
Assert.AreEqual(3628800, result);
}
public void TestMediumGrid()
{
var result = Prob15.CountPathsThruGridToPoint(8, 8);
Assert.AreEqual(12870, result);
}
public void TestLargeGrid()
{
var result = Prob15.CountPathsThruGridToPoint(20, 20);
Assert.AreEqual(137846528820, result);
}
public void TestSmallGrid()
{
var result = Prob15.CountPathsThruGridToPoint(2, 2);
Assert.AreEqual(6, result);
}
