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A collection of thoughts with respect to unit testing.

We definitely want to add unit test suites to our code base.

We should select a tool that we like to use, and that is supported (not
abandoned).

  * [DejaGnu](http://www.gnu.org/software/dejagnu/) /
    [Expect](http://expect.nist.gov/)

      * used by the [[GCC_testsuite]], [[GDB_testsuite]],
        [[binutils_testsuite]], etc.

  * The [[glibc_testsuite]] has a home-grown system (Makefile-based), likewise
    does the [[Open_POSIX_Test_Suite]].

  * [check](http://check.sourceforge.net/)

      * used by some GNU packages, for example GNU PDF (Jose E. Marchesi)

  * CodeSourcery's [QMTest](http://www.codesourcery.com/qmtest)

      * useb by?

      * documentation:

          * <http://www.codesourcery.com/public/qmtest/whitepaper.pdf>

          * <http://www.python.org/workshops/2002-02/papers/01/index.htm>

          * <http://gcc.gnu.org/ml/gcc/2002-05/msg01978.html>

          * <http://www.codesourcery.com/public/qmtest/qmtest-snapshot/share/doc/qmtest/html/tutorial/index.html>

          * <http://www.codesourcery.com/public/qmtest/qmtest-snapshot/share/doc/qmtest/html/manual/index.html>