public void Test1000()
{
int a = 1;
int b = 1000;
int count = Prob17.GetLetterCount(a, b);
string resultTxt = $"Lettercount for {a} thru {b} is: {count}";
Utilities.TestUtils.WriteOut(resultTxt);
Assert.AreEqual(21124, count); //this is correct
}
public void Test167()
{
int a = 1;
int b = 167;
int count = Prob17.GetLetterCount(a, b);
string resultTxt = $"Lettercount for {a} thru {b} is: {count}";
Utilities.TestUtils.WriteOut(resultTxt);
Assert.AreEqual(2272, count);
}