public void NumberOfAlphas_WhenMultipleSameLetter()
{
// arrange
string test = "AAAAAA";
int expected = 6;
StringBreakout.NumberOfAlphas(test);
int actual = StringBreakout.NumberAlphas;
Assert.AreEqual(expected, actual);
}
public void NumberOfAlphas_WhenNoLetters()
{
// arrange
string test = "123786!@!#";
int expected = 0;
StringBreakout.NumberOfAlphas(test);
int actual = StringBreakout.NumberAlphas;
Assert.AreEqual(expected, actual);
}
public void NumberOfAlphas_WhenNoInput()
{
// arrange
string test = "";
int expected = 0;
StringBreakout.NumberOfAlphas(test);
int actual = StringBreakout.NumberAlphas;
Assert.AreEqual(expected, actual);
}
public void NumberOfAlphas_WhenValidInPut()
{
// arrange
string test = "123abc456";
int expected = 3;
StringBreakout.NumberOfAlphas(test);
int actual = StringBreakout.NumberAlphas;
Assert.AreEqual(expected, actual);
}
public static void Main(string[] args)
{
int extractedNumberFromString;
Console.WriteLine("Function Client\n===============\n");
if (args.Length == 0)
{
Console.WriteLine("Usage: FunctionTest <test string> ");
return;
}
for (int i = 0; i < args.Length; i++)
{
// analyze the incoming "test string" to determine what types of
// characters are present ...
//
// first - how many digits are found within the string ...
Console.WriteLine("The Digit Count for String [{0}] is [{1}]", args[i], StringBreakout.NumberOfDigits(args[i]));
//
// next - how many alphabetic characters are found within the string ...
Console.WriteLine("The Alpha Count for String [{0}] is [{1}]", args[i], StringBreakout.NumberOfAlphas(args[i]));
//
// lastly - determine the number of non-digit / non-alpha characters
Console.WriteLine("The Other Count for String [{0}] is [{1}]", args[i], StringBreakout.NumberOfOthers(args[i]));
// next function to call is to extract the number(s) from the string and use it to determine
// its factorial !
//
// *************************************************************************************************
// the code below assumes that the argv[i] string *only* contains digits. I want you to write
// another class method in the StringBreakout class to detect and extract the numbers hidden in
// the incoming string and use that number in the factorial calculation
// for example, if the incoming string is Char1i3 <<< yes there is a "1" and "3" in that string
// then the method you write would find the "1" and the "3" and return the value
// 13
// this new method should look like :
// int FindAndExtractDigits(string theString)
// *************************************************************************************************
try
{
extractedNumberFromString = Int32.Parse(args[i]);
Console.WriteLine(" >>> {0}! = {1}", extractedNumberFromString, Factorial.Calc(extractedNumberFromString));
}
catch (FormatException e)
{
Console.WriteLine(" >>> String contained no digits ...");
}
}
}
public void NoaEachAlphas()
{
Assert.AreEqual(StringBreakout.NumberOfAlphas(alphas), alphas.Length);
}
public void NoASingleExtraction()
{
Assert.AreEqual(StringBreakout.NumberOfAlphas(digits + "A"), 1);
}
public void NoaBlankString()
{
Assert.AreEqual(StringBreakout.NumberOfAlphas(""), 0);
}
public void NoaNullString()
{
StringBreakout.NumberOfAlphas((string)null);
}
public void NoaMixCheck()
{
Assert.AreEqual(StringBreakout.NumberOfAlphas(mix), mixAlphaLength);
}