You create Microsoft Windows-based applications. You are designing a unit test class to test the functionality of a component named Calculator. The Calculator must function as a standard nonscientific calculator. A developer on your team writes the following lines of code for the test class. (Line numbers are included for reference only.)

01 [TestClass()]
02 public class CalculatorTest {
03 private TestContext testContextInstance;
04 public TestContext TestContext {
05 get{return testContextInstance;}
06 set{testContextInstance = value;}
07 }
08 [TestMethod()]
09 public void AddTest() {
10 Calculator target = new Calculator();
11 Assert.AreEqual(target.Add(1,1),2);
12 target.Dispose();
13 }
14 [TestMethod()]
15 public void SubtractTest() {
16 Calculator target = new Calculator();
17 Assert.AreEqual(target.Subtract(10,2),8);
18 target.Dispose();
19 }
20 }

You need to ensure that appropriate assertions are tested. Which additional assertion should you test?

You create Microsoft Windows-based applications. You are designing the integration test for an application. You write the following lines of code. (Line numbers are included for reference only.)

01 private void cmdCompare_Click(object sender, EventArgs e) { 02 decimal flightFare, carRental, hotelPrice, travelCost; 03 flightFare = wsFlyHigh.GetBestFare(txtOrigin.Text, txtDest.Text, datDateOut, datDateBack); 04 cmdGetRentalPrice.Parameters.Add(“@DAYS”,SqlDbType.Int); 05 cmdGetRentalPrice.Parameters[0].Value=int.Parse(txtDays.Text); 06 carRental = cmdGetRentalPrice.ExecuteScalar();
07 hotelPrice = bigDeal.GetHotelPrice(int.Parse(txtDays.Text)); 08 travelCost = flightFare + carRental + hotelPrice;
09 txtTravelCost.Text = travelCost.ToString(“C”);
10 }

You analyze the code and discover the following features:

wsFlyHigh is a Web service that is hosted on a partners extranet. cmdGetRentalPrice runs a stored procedure on a corporate database server.
bigDeal is a COM component.

You need to create a report that lists the parts of the code to be considered during integration testing.
Which lines of code should you add to your report?