These programs are intended to excercise the interpreter that it is functioning according to spec. As far as I can determine, the programs are in the public domain or made freely available with no restrictions. Copyrights are retained by the original authors where noted.
crashme.inf Self-modifying reproducing Z-code. Generates random junk
to see how the interpreter behaves. A good interpreter
shouldn't die except on fatal errors.
Written by Evin Robertson in 1999.
etude/ TerpEtude (etude.z5). Exercises the Z-machine for proper
behavior. Does not test error-handling.
Written by Andrew Plotkin in 1997
gntests.inf Assorted tests for checking proper handling of fonts,
accents, input codes, colors, header, and timed input.
Conforms to the Z-Spec 0.99 by Graham Nelson. Something
of a weaker version of TerpEtude (above).
Written by Graham Nelson as a collection of sample
programs and unified by Andrew Plotkin in 1997.
random.inf Inform Randomization Test v1.0.
Assorted tests for checking the performance of the
interpreter's random number generator.
Written by David Griffith in 2002.
strictz.inf Tests an interpreter's error-checking by attempting to
cause all possible non-fatal errors.
Written by Torbjorn Andersson in 1998.
unicode.inf Unicode Test v1.0.
Creates assorted unicode characters.
Written by David Kinder in 2002.