protected void btnCalculate_Click(object sender, EventArgs e)
{
double amount = 0;
bool goodAmount = double.TryParse(txtAmount.Text, out amount);
if (!goodAmount)
{
Response.Write("<script>alert('Please enter a valid amount');</script>");
txtAmount.Text = "";
txtAmount.Focus();
return;
}
double percent = 0;
if (rdbPercentage.SelectedItem.Text != "other")
{
percent = double.Parse(rdbPercentage.SelectedValue.ToString());
}
else
{
bool goodPercent = double.TryParse(txtOther.Text, out percent);
if (!goodPercent)
{
Response.Write("<script>alert('Please enter a valid Percentage');</script>");
txtAmount.Text = "";
txtAmount.Focus();
return;
}
}
TipCalculator Tip = new TipCalculator(amount, percent);
lblTip.Text = Tip.CalculateTip().ToString("$##0.##");
lblTotal.Text = Tip.CalculateTotal().ToString("$##0.##");
}
public static void Main()
{
TipCalculator calc = new TipCalculator();
Console.WriteLine("What is the bill amount?");
string billEntry = Console.ReadLine();
Decimal billAmount;
while (!Decimal.TryParse(billEntry, out billAmount) || (Decimal.Round(billAmount, 2) != billAmount))
{
Console.WriteLine("Enter a valid bill amount.");
billEntry = Console.ReadLine();
}
Console.WriteLine("What is the tip rate?");
string tipEntry = Console.ReadLine();
Decimal tipRate;
while (!Decimal.TryParse(tipEntry, out tipRate) || (Decimal.Round(tipRate, 2) != tipRate))
{
Console.WriteLine("Enter a valid tip rate.");
tipEntry = Console.ReadLine();
}
Decimal tip = calc.CalculateTip(billAmount, tipRate);
Console.WriteLine("Your tip is: " + tip);
Decimal total = tip + billAmount;
Console.WriteLine("Your total is: " + total);
}
public void CalculateTipTest()
{
var calculator = new TipCalculator();
var request = new TipCalculationRequest {
MealCost = 100, TipPercent = .2M
};
var result = calculator.CalculateTip(request);
Assert.AreEqual(result.TipAmount, 20M);
Assert.AreEqual(result.TotalCost, 120M);
}
public ActionResult TipCalculator(TipCalculatorRequest request)
{
if (ModelState.IsValid)
{
var calc = new TipCalculator();
var tipData = new MVCappLabs.Models.Level1.TipCalculationRequest();
tipData.MealCost = request.MealCost.Value;
tipData.TipPercent = request.TipPercent.Value / 100;
var response = calc.CalculateTip(tipData);
return(View("TipCalculatorResponse", response));
}
return(View("TipCalculator"));
}
public ActionResult TipCalculatorInput(TipCalculatorModel request)
{
if (ModelState.IsValid)
{
var tipCalc = new TipCalculator();
var tipData = new TipCalculatorRequest();
tipData.MealTotal = request.MealTotal.Value;
tipData.TipPercent = request.TipPercent.Value;
var result = tipCalc.CalculateTip(tipData);
return(View("TipCalculatorOutput", result));
}
else
{
return(View(request));
}
}
public void TestTipCalculator()
{
double tip = tc.CalculateTip();
Assert.AreEqual(20, tip);
}
public void SampleTest()
{
Assert.AreEqual(4, TipCalculator.CalculateTip(20, "Excellent"));
Assert.AreEqual(3, TipCalculator.CalculateTip(26.95, "good"));
}
public void CalculateTip_Returns_NegativeOne_WhenUnknownRatingIsPassedIn(double tip, string rating, int actual)
{
var result = TipCalculator.CalculateTip(tip, rating);
result.Should().Be(actual);
}
public void CalculateTip_Returns_ExpectedTip(double tip, string rating, int actual)
{
var result = TipCalculator.CalculateTip(tip, rating);
result.Should().Be(actual);
}
