Advanced Unit Testing
An introduction to the issues of unit testing; author: marc clifton; section: c#; chapter: languages
http://www.codeproject.com/csharp/autp1.asp
HPUnit (PHP)
HPUnit (PHP)
http://www.phpunit.de/
JUnit (Java)
JUnit (Java)
http://www.junit.org/index.htm
NUnit (dotNET)
NUnit (dotNET)
http://www.nunit.org/