R Under development (unstable) (2025-06-05 r88281 ucrt) -- "Unsuffered Consequences"
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> source("incl/start.R")
Loading required package: parallelly
Loading required package: future
> 
> message("*** BatchtoolsFuture() and garbage collection ...")
*** BatchtoolsFuture() and garbage collection ...
> 
> plan(batchtools_local)
> 
> for (how in c("resolve", "value")) {
+   f <- future({ 1 })
+ 
+   if (how == "value") {
+     v <- value(f)
+     print(v)
+   } else if (how == "resolve") {
+     resolve(f)
+   }
+ 
+   stopifnot(resolved(f))
+ 
+   reg <- f$config$reg
+ 
+   ## Force removal of batchtools registry files
+   rm(list = "f")
+   gc()
+ 
+   ## Assert removal of files only happens if there was not
+   ## a failure and option future.delete is not TRUE.
+   stopifnot(!file_test("-d", reg$file.dir))
+   fail <- try(checkIds(reg, ids = 1L), silent = TRUE)
+   stopifnot(inherits(fail, "try-error"))
+ } ## for (how ...)
[04:36:45.291] Launched future #1
[04:36:47.460] Launched future #1
[1] 1
> 
> 
> message("*** BatchtoolsFuture() and garbage collection ... DONE")
*** BatchtoolsFuture() and garbage collection ... DONE
> 
> source("incl/end.R")
> 
> proc.time()
   user  system elapsed 
   1.34    0.42    4.96