public void Decimals()
{
var sut = new DecimalCalculator();
var fixture = new Fixture();
var num = fixture.Create <decimal>();
sut.Add(num);
Assert.Equal(num, sut.Value);
}
public void Decimals()
{
// arrange
var fixture = new Fixture();
var sut = new DecimalCalculator();
decimal num = fixture.Create <decimal>();
// act
sut.Add(num);
// assert
Assert.Equal(num, sut.Value);
}
public void CalculateTest(string firstValue)
{
var calculator = new DecimalCalculator();
Assert.Throws <FormatException>(() => calculator.Calculate(firstValue));
}
public void PositiveNumberTest()
{
DecimalCalculator calculator = new DecimalCalculator();
Assert.AreEqual("7", calculator.Calculate("111"));
}
public void NegativeNumberTest()
{
DecimalCalculator calculator = new DecimalCalculator();
Assert.AreEqual("-7", calculator.Calculate("11111111111111111111111111111001"));
}
protected void equalsButton_Click(object sender, EventArgs e)
{
try
{
if (num1TextBox.Text.Trim(' ').Length == 0 || num2TextBox.Text.Trim(' ').Length == 0)
{
throw new NothingShallComeFromNothingException();
}
else if (num1TextBox.Text.Trim(' ') == "." || num2TextBox.Text.Trim(' ') == ".")
{
throw new IsNaNException();
}
else
{
// clear calculationLabel
calculationLabel.Text = "";
// instantiate three Number objects
Number number1 = new Number();
Number number2 = new Number();
Number targetNumber = new Number();
// create num1, num2, and target numeral system lists from user selections
number1.originBase = Convert.ToInt16(num1DropDownList.SelectedValue);
number1.originNumeralSystem = Number.MasterNumeralSystem.Take(number1.originBase).ToList();
number1.originNumeralSystemName = num1DropDownList.SelectedItem.Text;
number2.originBase = Convert.ToInt16(num2DropDownList.SelectedValue);
number2.originNumeralSystem = Number.MasterNumeralSystem.Take(number2.originBase).ToList();
number2.originNumeralSystemName = num2DropDownList.SelectedItem.Text;
targetNumber.originBase = 10;
targetNumber.originNumeralSystem = Number.MasterNumeralSystem.Take(10).ToList();
targetNumber.targetBase = Convert.ToInt16(targetDropDownList.SelectedValue);
targetNumber.targetNumeralSystem = Number.MasterNumeralSystem.Take(targetNumber.targetBase).ToList();
// prepare user inputs for use
number1.input = num1TextBox.Text;
number2.input = num2TextBox.Text;
char operation;
if (additionRadioButton.Checked)
{
operation = '+';
}
else if (subtractionRadioButton.Checked)
{
operation = '-';
}
else if (multiplicationRadioButton.Checked)
{
operation = '*';
}
else
{
operation = '/';
}
number1.inputNegative = false;
number2.inputNegative = false;
if (number1.input[0] == '-')
{
number1.input = number1.input.TrimStart('-');
number1.inputNegative = true;
}
if (number2.input[0] == '-')
{
number2.input = number2.input.TrimStart('-');
number2.inputNegative = true;
}
number1.input = number1.input.TrimStart(' ', '0');
number2.input = number2.input.TrimStart(' ', '0');
if (number1.input.Contains('.'))
{
number1.input = number1.input.TrimEnd('0');
}
if (number2.input.Contains('.'))
{
number2.input = number2.input.TrimEnd('0');
}
if (number1.input == "." || number1.input.Length == 0)
{
number1.input = "0";
}
if (number2.input == "." || number2.input.Length == 0)
{
number2.input = "0";
}
number1.inputArray = number1.input.ToCharArray();
number2.inputArray = number2.input.ToCharArray();
// validate user input
if (Validator.ValidateInput(number1) &&
Validator.ValidateInput(number2))
{
// convert input to decimal
number1.inputAsDecimal = Converter.ConvertInputToDecimal(number1);
number2.inputAsDecimal = Converter.ConvertInputToDecimal(number2);
// prepare inputAsDecimal for use, preventing scientific notation
number1.inputAsDecimalString = number1.inputAsDecimal.ToString(Formatter.Notation);
number1.inputAsDecimalArray = number1.inputAsDecimalString.ToCharArray();
number2.inputAsDecimalString = number2.inputAsDecimal.ToString(Formatter.Notation);
number2.inputAsDecimalArray = number2.inputAsDecimalString.ToCharArray();
// do math in decimal
targetNumber.inputAsDecimal = DecimalCalculator.Calculate(number1, number2, operation);
// handle negative
targetNumber.inputNegative = false;
if (targetNumber.inputAsDecimal < 0)
{
targetNumber.inputNegative = true;
targetNumber.inputAsDecimal = targetNumber.inputAsDecimal * -1;
}
// prep calculationResult for use
targetNumber.inputAsDecimalString = targetNumber.inputAsDecimal.ToString(Formatter.Notation);
targetNumber.inputAsDecimalArray = targetNumber.inputAsDecimalString.ToCharArray();
// convert math result to target base
targetNumber.targetResult = Converter.ConvertDecimalToTarget(targetNumber);
// display results
calculationLabel.Text = Formatter.FormatCalculationForDisplay(number1, number2, targetNumber, operation);
// reset the board
num1TextBox.Text = "";
if (targetNumber.inputNegative)
{
num1TextBox.Text = "-";
}
num1TextBox.Text += targetNumber.targetResult;
num1DropDownList.SelectedValue = targetDropDownList.SelectedValue;
num2TextBox.Text = "";
num2DropDownList.SelectedValue = targetDropDownList.SelectedValue;
}
}
}
// exception handling
catch (NothingShallComeFromNothingException)
{
calculationLabel.Text = "<span style='color:#B33A3A;'>Please fill out all required fields</span>";
}
catch (IsNaNException)
{
calculationLabel.Text = "<span style='color:#B33A3A;'>Please enter a valid number</span>";
}
catch (OriginNumeralSystemLacksCharacterException ex)
{
calculationLabel.Text = "<span style='color:#B33A3A;'>Please only enter characters that exist in the " + ex.NumeralSystemName + " numeral system</span>";
}
catch (TooManyPeriodsException)
{
calculationLabel.Text = "<span style='color:#B33A3A;'>Please do not enter multiple periods</span>";
}
catch (NoDogsOnTheMoonException)
{
calculationLabel.Text = "<span style='color:#B33A3A;'>The Base 1 (Unary) numeral system lacks fractions and the digit 0</span>";
}
catch (OverflowException)
{
calculationLabel.Text = "<span style='color:#B33A3A;'>Input exceeds the maximum value of the C# long data type and cannot be processed</span>";
}
catch (Exception ex)
{
calculationLabel.Text = "<span style='color:#B33A3A;'>The following error has occurred: " + ex.Message + "</span>";
}
}
