public void IndustrialChargeWithHighUsageTestSucc()
{
// Arrange
decimal usagePeak = 2000m; //high usage during peak hours defined as > 1000 kWh
decimal usageOff = 3000m; //high usage during off-peak hours defined as > 1000 kWh
CustomerInd customerInd = new CustomerInd(accountNumber, accountName, custType, usagePeak, usageOff);
decimal expectedCharge = 237;
decimal actualCharge;
//Act
actualCharge = customerInd.CalculateCharge();
//Assert
Assert.AreEqual(expectedCharge, actualCharge);
}
// calculate and display bill to pay
private void btnCalculate_Click(object sender, EventArgs e)
{
// local declaration
decimal kWh = 0m; //input: kWh used for residential or commercial customers
decimal kWhPeak = 0m; //input: kWh used for industrial customers during peak hours
decimal kWhOff = 0m; //input: kWh used for industrial customers during off-peak hours
string customer; //input: customer type
char custType; //customer type (R, C, or I)
// obtain type of customer input from dropbox list
customer = cboCustomer.Text;
//assign customer type
switch (customer)
{
case "Residential":
//focus on the input box
txtAccountNo.Focus();
//validate user input for kWh used
if (validator.IsProvided(txtAccountNo, "Account Number") &&
validator.IsNonZeroPositiveInt(txtAccountNo, "Account Number") &&
validator.IsProvided(txtCustomerName, "Customer Name") &&
validator.IsString(txtCustomerName, "Customer Name") &&
validator.IsProvided(txtkWh, "Residential usage") &&
validator.IsNonNegativeInt(txtkWh, "Residential Usage"))
{
//assign custType
custType = 'R';
//obtain input
kWh = Convert.ToDecimal(txtkWh.Text);
//create a Customer Object using data from text boxes
Customer c = new CustomerRes(Convert.ToInt32(txtAccountNo.Text), txtCustomerName.Text, custType, kWh);
//display charge amount in appropriate text box
txtBill.Text = c.CalculateCharge().ToString("c");
//add it to the list and display
customers.Add(c);
//DisplayCustomers();
}
break;
case "Commercial":
//focus on the input box
txtAccountNo.Focus();
//validate user input for kWh used
if (validator.IsProvided(txtAccountNo, "Account Number") &&
validator.IsNonZeroPositiveInt(txtAccountNo, "Account Number") &&
validator.IsProvided(txtCustomerName, "Customer Name") &&
validator.IsString(txtCustomerName, "Customer Name") &&
validator.IsProvided(txtkWh, "Commercial usage") &&
validator.IsNonNegativeInt(txtkWh, "Commercial Usage"))
{
//assign custType
custType = 'C';
//obtain input
kWh = Convert.ToDecimal(txtkWh.Text);
//create a Customer Object using data from text boxes
Customer c = new CustomerComm(Convert.ToInt32(txtAccountNo.Text), txtCustomerName.Text, custType, kWh);
//display charge amount in appropriate text box
txtBill.Text = c.CalculateCharge().ToString("c");
//add it to the list and display
customers.Add(c);
//DisplayCustomers();
}
break;
case "Industrial":
//validate user input for kWh used
if (validator.IsProvided(txtAccountNo, "Account Number") &&
validator.IsNonZeroPositiveInt(txtAccountNo, "Account Number") &&
validator.IsProvided(txtCustomerName, "Customer Name") &&
validator.IsString(txtCustomerName, "Customer Name") &&
validator.IsProvided(txtkWhPeak, "Industrial peak hours usage") &&
validator.IsNonNegativeInt(txtkWhPeak, "Industrial peak hours usage") &&
validator.IsProvided(txtkWhOff, "Industrial off-peak hours usage") &&
validator.IsNonNegativeInt(txtkWhOff, "Industrial off-peak hours usage"))
{
//assign custType
custType = 'I';
//obtain input(s)
kWhPeak = Convert.ToDecimal(txtkWhPeak.Text);
kWhOff = Convert.ToDecimal(txtkWhOff.Text);
//create a Customer Object using data from text boxes
Customer c = new CustomerInd(Convert.ToInt32(txtAccountNo.Text), txtCustomerName.Text, custType, kWhPeak, kWhOff);
//display charge amount in appropriate text box
txtBill.Text = c.CalculateCharge().ToString("c");
//add it to the list and display
customers.Add(c);
}
break;
default:
break;
}
}