opmock
Mocking and unit testing tool for C and C++
Opmock is a mocking and testing tool for C and C++. It is useful if one wants to implement micro testing and TDD in a similar way of what exists in Java or C#. It is designed with legacy code in mind, and should work with all C++ and C compilers.
NEW : version 2.1 is out. Currently there are no binaries to download, please checkout the code from svn and compile from the sources.