Some programs must handle network errors, file system errors, and the like. Testing their error handling manually can be tedious and time consuming. Relying on accidental errors is unreliable and uncontrollable. Learn about a method for simulating errors that makes the process automated and flexible.

You can write simple programs to help with your daily testing tasks using Perl or other scripting languages. Here's a primer on scripting languages and programming skills for testers.

Robin Sahner looks at generating test code with Teradyne TestMaster. His group evaluated TestMaster on two projects. It did what they hoped it would, and now they're using TestMaster on all of their projects. They're not employing it to shorten their test development time or use fewer people; instead they plan to use it to get a more complete, more easily maintained set of functional tests using the same resources. Editors Note: Teradyne SST has become a new company called Empirix.

Gene Sally looks at network testing with NIST Net. He concludes that NIST Net is a powerful tool, allowing you to emulate network conditions seldom occurring in your lab but nonetheless prevalent in the real world. You can reproduce the conditions in which your application fails, easing diagnosis and repair.