R Under development (unstable) (2023-11-06 r85483 ucrt) -- "Unsuffered Consequences"
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> #
> # Check FP=100% and FN=100%
> #
> 
> test.false_positive <- function() { 
+     r <- check_falsies(1,0) 
+     checkTrue(r, "fpr set to 1 so stim should be seen")
+ }
> 
> test.false_negative <- function() { 
+     r <- check_falsies(0,1) 
+     checkTrue(!r, "fnr set to 1 so stim should not be seen")
+ }
> 
> 
> 
> ################################################
> # Given the two false repsonse rates, 
> # return seen/not-seen
> ################################################
> check_falsies <- function(fpr=0,fnr=0)
+ {
+   require(OPI)
+   data("RtDbUnits")
+   checkTrue(chooseOpi("SimHensonRT"), 'RT Henson sim is chosen')
+ 
+   e <- opiInitialize(type="C", A=NA, B=NA, cap=6, display=NULL, maxStim=10000/pi, rtData=RtDbUnits, rtFP=1:1600)
+   checkEquals(NULL, e)
+   
+   SPEED = 3;
+ 
+   LEVEL = dbTocd(0,10000)
+ 
+   stim <- list(path=list(x=c(20,10), y=c(-5,32)),sizes=(0.43), colors=("white"),  levels=(LEVEL), speeds=c(SPEED))
+   class(stim) <- "opiKineticStimulus"
+ 
+   result <- opiPresent(stim, tt= list(c(30,30,30,30,30)), fpr=fpr, fnr=fnr)
+ 
+   checkEquals(NULL, opiClose())
+ 
+   return(result$seen)
+ }
> 
> proc.time()
   user  system elapsed 
   0.14    0.01    0.15