OK  Simple GET of variants
OK  PURGE of variants
OK  PURGE of the base object
OK  Change of Vary header

    Memory leak testing
OK	hit a non-varying object (cache hits)
OK	hit a varying object (cache hits) 
OK	reload a varying object (cache misses) 
OK	hit a expired varying object (refreshes) 
OK	reloads of two different variants of the same URI (variant of cache misses) 
OK	IMS hits of two different variants
OK	IMS reloads of two different variants of the same URI
OK	reloads where the variance changes between two different Vary headers 
OK	hit a varying object with unknown headers
OK	reload a varying object with unknown headers
OK	X-Accelertor-Vary header

Test programs:

HIT
    while true; do /usr/sbin/client -H "Accept-Language: en\n" http://localhost/~henrik/vary/lang.html; /usr/sbin/client -H "Accept-Language: de\n" http://localhost/~henrik/vary/lang.html; done >/dev/null

IMS
    while true; do /usr/sbin/client -H "Accept-Language: en\nIf-Modified-Since: Wed, 17 Jan 2001 12:27:34 GMT\n" http://localhost/~henrik/vary/lang.html ; /usr/sbin/client -H "Accept-Language: de\nIf-Modified-Since: Thu, 18 Jan 2001 19:06:43 GMT\n" http://localhost/~henrik/vary/lang.html; done >/dev/null