Part 1

1. create an after hook to m:OnAfterConfigRead event
2. in above created hook append new key/value pair to QueryString array (beware not to break index sequence)
3. while on homepage click on any other page link (within same website)
4. confirm, that - count in env request variable has increased by 1
5. alter url in browser by hand and append any value after last - in the env request variable
6. confirm, that links on page after it has been reloaded now contain manually appended value

Part 2

1. put breakpoint in hook to the m:OnAfterConfigRead event created before
2. clear cache (e.g. restart memcache OR truncate SystemCache table)
3. reload page url
4. confirm, that hook was called (that was from cold start)
5. reload page url
6. confirm, that hook was called (that was from warm start)