Take Unit Testing to the Next Level: Listing 3.

Modified PerformOpAddTest

[TestMethod()]
[DataSource(
  "Microsoft.VisualStudio.TestTools.DataSource.TestCase", 
  "http://tfs2010:8080/tfs/DefaultCollection;UnitTestDemo", 
  "878",
  Microsoft.VisualStudio.TestTools.UnitTesting.DataAccessMethod.Sequential)]
public void PerformOpAddTest()
{
  CalcMath target = new CalcMath();
  double expected = Convert.ToDouble(TestContext.DataRow["expected"]);
  double actual;
  target.PerformOp(Op.Add, Convert.ToDouble(TestContext.DataRow["first"]));
  actual = target.PerformOp(Op.Equals,
    Convert.ToDouble(TestContext.DataRow["second"]));
  Assert.AreEqual(expected, actual);
}

About the Author

Jeff Levinson is the Application Lifecycle Management practice lead for Northwest Cadence specializing in process and methodology. He is the co-author of "Pro Visual Studio Team System with Database Professionals" (Apress 2007), the author of "Building Client/Server Applications with VB.NET" (Apress 2003) and has written numerous articles. He is an MCAD, MCSD, MCDBA, MCT and is a Team System MVP. He has a Masters in Software Engineering from Carnegie Mellon University and is a former Solutions Design and Integration Architect for The Boeing Company. You can reach him at Jeff.Levinson@nwcadence.com.