R Under development (unstable) (2023-11-06 r85483 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> #require(RUnit)
> 
>   #check for an unseen stimulus (below threshold)
> 
> test.unseen_stims <- function()
+ {
+   require(OPI)
+   data("RtDbUnits")
+   checkTrue(chooseOpi("SimHensonRT"), 'RT Henson sim is chosen')
+   
+   xs <- c(3, 2, -20, 0, 10,5, -5, -50, -20, 0, 10,5, -5, -50) #, 3, 2,
+   x_mat <- matrix(xs, 2)
+   ys <- c(0, -70, -20, 0, 14,2, -23, -30, -20, 0, 10,5, -5, -50) #3, 2,
+   y_mat <- matrix(ys, 2)
+   pointsTested = length(y_mat[1,])
+ 
+   SPEED = 3;
+   LEVEL = dbTocd(50,10000)
+ 
+   for (i in 1:pointsTested) {
+     stim <- list(path=list(x=x_mat[,i], y=y_mat[,i]),sizes=(0.43), colors=("white"),  levels=(LEVEL), speeds=c(SPEED))
+     class(stim) <- "opiKineticStimulus"
+     
+     e <- opiInitialize(type="C", A=NA, B=NA, cap=6, display=NULL, maxStim=10000/pi, rtData=RtDbUnits, rtFP=1:1600)
+     checkEquals(NULL, e)
+ 
+     result <- opiPresent(stim, tt= list(c(0,0,0,0,0)), fpr=0, fnr=0)
+ 
+     checkTrue(!result$seen)
+ 
+     checkEquals(NULL, opiClose())
+   }
+ 
+ }
> 
> proc.time()
   user  system elapsed 
   0.09    0.06    0.14