JHC
"We
run a regular monthly regression test, checking all the major parts
of the system on a rolling basis every month. An important part of
this is the CREST test scripts, which cover the whole life cycle of
a contract from booking through to contracting, sending to CREST,
matching and settlement, which prove Figaro against the simulator.
Other CREST processes, such as stock balance reconciliation and CMA
reconciliation are also tested - we'd find this considerably more
time and resource consuming if we didn't use the simulator"
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