private void Romanize_Click(object sender, EventArgs e)
{
if (int.TryParse(intIn.Text, out intVal))
{
try
{
outBox.Text = Numerals.Romanize(intVal);
}
catch (ArgumentOutOfRangeException)
{
outBox.Text = @"No negativity here!";
}
catch (ArgumentException)
{
outBox.Text = @"Too big!";
}
}
else
{
if (intIn.Text.ToLower().Equals("marco"))
{
outBox.Text = @"Polo!";
}
else if (intIn.Text.ToLower().Equals("caesar"))
{
outBox.Text = @"Hail Caesar!";
}
else
{
outBox.Text = @"Integers please.";
}
}
}
public void LowNumeralsAsStringTest()
{
string[] words = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
for (uint i = 0; i <= 9; i++)
{
Assert.AreEqual(words[i], Numerals.LowAsString(i));
}
}
public void HighNumeralsAsStringTest()
{
string[] words = { "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety" };
for (uint i = 0; i <= 7; i++)
{
Assert.AreEqual(words[i], Numerals.HighAsString(i));
}
}
public void If_I_Enter_a_44_then_I_should_get_a_XLIV_back()
{
//Arrange
var number = "44";
var convertNumber = int.Parse(number);
var numeral = new Numerals();
//Act
var result = numeral.ConvertNumber(convertNumber);
//Assert
Assert.AreEqual("XLIV", result);
}
public void If_I_Enter_a_3999_then_I_should_get_a_MMMCMXCIX_back()
{
//Arrange
var number = "3999";
var convertNumber = int.Parse(number);
var numeral = new Numerals();
//Act
var result = numeral.ConvertNumber(convertNumber);
//Assert
Assert.AreEqual("MMMCMXCIX", result);
}
public void If_I_Enter_a_1023_then_I_should_get_a_MXXIII_back()
{
//Arrange
var number = "1023";
var convertNumber = int.Parse(number);
var numeral = new Numerals();
//Act
var result = numeral.ConvertNumber(convertNumber);
//Assert
Assert.AreEqual("MXXIII", result);
}
public void If_I_Enter_a_891_then_I_should_get_a_DCCCXCI_back()
{
//Arrange
var number = "891";
var convertNumber = int.Parse(number);
var numeral = new Numerals();
//Act
var result = numeral.ConvertNumber(convertNumber);
//Assert
Assert.AreEqual("DCCCXCI", result);
}
public Numerals GetNumerals(char searchChar)
{
Numerals key = Numerals.NONE;
foreach (var pair in SetNumeralPairs())
{
if (pair.Value == searchChar)
{
key = pair.Key;
break;
}
}
return(key);
}
public string Parse(int number)
{
var result = "";
var numerals = new Numerals();
var _number = number.ToString();
while (number > 0)
{
if (number >= 1000)
{
var numThousies = number.ToString();
var daIndex = int.Parse(numThousies[0].ToString());
result += numerals.RomanThousands[daIndex];
number -= daIndex * 1000;
continue;
}
if (number >= 100)
{
var numHundies = number.ToString();
var daIndex = int.Parse(numHundies[0].ToString());
result += numerals.RomanHundreds[daIndex];
number -= daIndex * 100;
continue;
}
if (number > 10)
{
var numTensies = number.ToString();
var daIndex = int.Parse(numTensies[0].ToString());
result += numerals.RomanTens[daIndex];
number -= daIndex * 10;
continue;
}
if (number <= 10)
{
result += numerals.RomanOnes[number];
number = 0;
continue;
}
}
return(result);
}
public static int GetAllowedRepetitions(this Numerals numeral)
{
switch (numeral)
{
case Numerals.V:
case Numerals.L:
case Numerals.D:
return(1);
case Numerals.I:
case Numerals.X:
case Numerals.C:
case Numerals.M:
return(3);
default:
return(0);
}
}
private void Deromanize_Click(object sender, EventArgs e)
{
bool error = false;
int input = -1;
try
{
input = Numerals.Deromanize(intOut.Text);
}
catch (InvalidOperationException)
{
outBox.Text = @"Invalid numeral!";
error = true;
}
catch (ArgumentException)
{
outBox.Text = @"Valid numerals only!";
error = true;
}
if (!error)
{
outBox.Text = input.ToString();
}
}