public void Setup()
{
_addResult = CalculatorLib.Add(3, 5); // Calls The CalculatorLib.Add Method with parameters of (3,5) and assigns the output to the _addResult variable.
_subtractResult = CalculatorLib.Subtract(8, 8); // Calls The CalculatorLib.Subtract Method with parameters of (8,8) and assigns the output to the _subtractResult variable.
_multiplyResult = CalculatorLib.Multiply(9, 2); // Calls The CalculatorLib.Multiply Method with parameters of (9,2) and assigns the output to the _multiplyResult variable.
_divideResult = CalculatorLib.Divide(8, 2); // Calls The CalculatorLib.Divide Method with parameters of (8,2) and assigns the output to the _divideResult variable.
}
[TestCase(125, 25, 3125)] // |Test Case No. 04.|
public void IsMultiplyWorkingWithTestCases(double a, double b, double expected) // This Method Will Be Tested 4 Times; One Time Per Test Case.
{
double testResult = CalculatorLib.Multiply(a, b); // |Arrange , Assert|
Assert.AreEqual(expected, testResult); // |-----Assert-----|
}
private void doOperation(char operation, char symbol)
{
//If there is no current operation, but there exists the result of the previus one, then operate on that.
if (inputPanel.Text == "0" && HistoryPanel.Text == "" && ErrorPanel.Text != "")
{
if (ErrorPanel.Text.Length > 5)
{
HistoryPanel.Text = $"{ErrorPanel.Text.Substring(ErrorPanel.Text.IndexOf('=') + 1)} {symbol} ";
ErrorPanel.Text = "";
ErrorPanel.FontSize = 15;
}
else
{
CalculatorLib.opperants.Clear();
CalculatorLib.opperants.Add(double.Parse(ErrorPanel.Text));
HistoryPanel.Text = $"{ErrorPanel.Text.Substring(ErrorPanel.Text.IndexOf('=') + 1)} {symbol} ";
ErrorPanel.Text = "";
ErrorPanel.FontSize = 15;
}
}
else
{
switch (operation) // There are 7 possible Cases All of them Calling the according method from the CalculatorLib Class
{
case '+': ErrorPanel.Text = CalculatorLib.Add(double.Parse(inputPanel.Text));
break;
case '-':
ErrorPanel.Text = CalculatorLib.Subtract(double.Parse(inputPanel.Text));
break;
case '*':
ErrorPanel.Text = CalculatorLib.Multiply(double.Parse(inputPanel.Text));
break;
case '/':
string evaluationByZeroText = CalculatorLib.Divide(double.Parse(inputPanel.Text));
if (evaluationByZeroText == "01")
{
ErrorPanel.Text = "I am Sorry, You can Not Divide By 0 :( ";
}
else
{
ErrorPanel.Text = evaluationByZeroText;
}
break;
case '%':
ErrorPanel.Text = CalculatorLib.Percentage(double.Parse(inputPanel.Text));
break;
case 'p':
ErrorPanel.Text = CalculatorLib.PowerOfTwo(double.Parse(inputPanel.Text));
break;
case 's':
ErrorPanel.Text = CalculatorLib.SquareRoot(double.Parse(inputPanel.Text));
break;
}
if (ErrorPanel.Text != "")
{
historyList.Items.Add($"{HistoryPanel.Text}{inputPanel.Text} = {ErrorPanel.Text}");
HistoryPanel.Text = ErrorPanel.Text + $" {symbol} ";
inputPanel.Text = "0";
}
else
{
if (HistoryPanel.Text == "")
{
HistoryPanel.Text = inputPanel.Text + $" {symbol} ";
inputPanel.Text = "0";
}
else
{
historyList.Items.Add($"{HistoryPanel.Text}{inputPanel.Text} = {ErrorPanel.Text}");
HistoryPanel.Text = inputPanel.Text + $" {symbol} ";
inputPanel.Text = "0";
}
}
}
}