public void CalculateRateCommercialNonZeroHoursTest()
{
// Arrange
Commercial client = new Commercial(); // create a new client object
decimal returnAmt; // holds the return from CaclulateRate()
decimal expectedAmt = 105.00m; // $60 is the base rate a Commercial customer will pay for usage under 1000hrs, plus $45 for 1000 over @ $0.045/hr
client.Hours = 2000; // set the usage hours to 2000
// Act
returnAmt = client.CalculateRate();
// Assert
Assert.AreEqual(expectedAmt, returnAmt);
}
// This test should be redundant since the validation in the input feilds and at the class level make it HIGHLY unlikely
// a negative value will ever be passed into the calculation
public void CalculateRateCommercialNegativeHoursTest()
{
// Arrange
Commercial client = new Commercial(); // create a new client object
decimal returnAmt; // holds the return from CaclulateRate()
decimal expectedAmt = 60.00m; // $6 is the base rate a Residential customer will pay regardless of usage
client.Hours = -100; // set the usage hours to -100, validation should set it to 0
// Act
returnAmt = client.CalculateRate();
// Assert
Assert.AreEqual(expectedAmt, returnAmt);
}
public void CalculateRateCommercialBelowBaseHoursTest()
{
// Arrange
Commercial client = new Commercial(); // create a new client object
decimal returnAmt; // holds the return from CaclulateRate()
decimal expectedAmt = 60.00m; // $60 is the base rate a Commercial customer will pay for usage under 1000hrs
client.Hours = 900; // set the usage hours to 900
// Act
returnAmt = client.CalculateRate();
// Assert
Assert.AreEqual(expectedAmt, returnAmt);
}