#
#    MoleCuilder - creates and alters molecular systems
#    Copyright (C) 2008-2012 University of Bonn
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
### 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