R Under development (unstable) (2024-02-11 r85891 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(pcalg)
> 
> ## Tests whether "intervention matrices" can correctly be mapped to a 
> ## targets/target index pair, and vice versa
> 
> nreps <- 30
> p <- 20
> n <- 200
> 
> for (i in 1:nreps) {
+   set.seed(i)
+   A <- matrix(as.logical(rbinom(n*p, 1, 0.01)), nrow = n, ncol = p)
+   
+   ## Testing conversion of matrix to list of targets
+   target.list <- mat2targets(A)
+   if (any(duplicated(target.list$targets)))
+     stop("Targets are not unique!")
+   for (j in 1:n)
+     if (!all.equal(which(A[j, ]), 
+         target.list$targets[[target.list$target.index[j]]]))
+       stop("Targets not correctly represented!")
+   
+   ## Test back-conversion
+   B <- targets2mat(p, target.list$targets, target.list$target.index)
+   if (!identical(A, B))
+     stop("Intervention matrix not correctly represented!")
+ }
> 
> 
> proc.time()
   user  system elapsed 
   1.81    0.20    2.00