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+[[!meta copyright="Copyright © 2010 Free Software Foundation, Inc."]]
+
+[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
+id="license" text="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts.  A copy of the license
+is included in the section entitled [[GNU Free Documentation
+License|/fdl]]."]]"""]]
+
+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 GCC, GDB, binutils, etc.
+
+  * glibc has a home-grown system (Makefile-based)
+
+  * [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>