### 1. set the engine

AT_SETUP([Random numbers - set the engine])
AT_KEYWORDS([random numbers set-random-number-engine random-number-engine-parameters])

AT_CHECK([../../molecuilder -v 3 --set-random-number-engine "lagged_fibonacci607" --random-number-engine-parameters "seed=2;"], 0, [stdout], [stderr])
AT_CHECK([fgrep "lagged_fibonacci607" stdout], 0, [ignore], [ignore])
AT_CHECK([fgrep "Its parameters are: seed=2;" stdout], 0, [ignore], [ignore])

AT_CLEANUP


AT_SETUP([Random numbers - set the engine with Undo])
AT_KEYWORDS([random numbers set-random-number-engine random-number-engine-parameters undo])

AT_CHECK([../../molecuilder -v 3 --set-random-number-engine "lagged_fibonacci607" --random-number-engine-parameters "seed=2;" --undo], 0, [stdout], [stderr])
AT_CHECK([fgrep "minstd_rand0" stdout], 0, [ignore], [ignore])
AT_CHECK([fgrep "Its parameters are: seed=1;" stdout], 0, [ignore], [ignore])

AT_CLEANUP


AT_SETUP([Random numbers - set the engine with Redo])
AT_KEYWORDS([random numbers set-random-number-engine random-number-engine-parameters redo])

AT_CHECK([../../molecuilder -v 3 --set-random-number-engine "lagged_fibonacci607" --random-number-engine-parameters "seed=2;" --undo --redo], 0, [stdout], [stderr])
AT_CHECK([fgrep -c "lagged_fibonacci607" stdout], 0, [stdout], [ignore])
AT_CHECK([fgrep "3" stdout], 0, [stdout], [ignore])
AT_CHECK([../../molecuilder -v 3 --set-random-number-engine "lagged_fibonacci607" --random-number-engine-parameters "seed=2;" --undo --redo], 0, [stdout], [stderr])
AT_CHECK([fgrep -c "Its parameters are: seed=2;" stdout], 0, [stdout], [ignore])
AT_CHECK([fgrep "2" stdout], 0, [stdout], [ignore])

AT_CLEANUP