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> ## This runs testme test script inst/testme/test-nbrOfWorkers.R
> ## Don't edit - it was autogenerated by inst/testme/deploy.R
> future.batchtools:::testme("nbrOfWorkers")
Test 'nbrOfWorkers' ...
Sourcing 9 prologue scripts ...
01/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/001.load.R'
02/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/002.record-state.R'
03/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/030.imports.R'
04/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/050.utils.R'
05/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/090.context.R'
06/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/090.options.R'
07/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/091.envvars.R'
08/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/099.future-setup.R'
09/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_prologue/995.detrius-connections.R'
Sourcing 9 prologue scripts ... done
Running test script: 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/test-nbrOfWorkers.R'

> library(future)

> message("*** nbrOfWorkers() ...")
*** nbrOfWorkers() ...

> message("*** nbrOfWorkers() - local, interactive ...")
*** nbrOfWorkers() - local, interactive ...

> plan(future.batchtools::batchtools_local)

> n <- nbrOfWorkers()

> message("Number of workers: ", n)
Number of workers: 1

> stopifnot(n == 1)

> n <- nbrOfFreeWorkers()

> message("Number of free workers: ", n)
Number of free workers: 1

> stopifnot(n == 1)

> n <- nbrOfFreeWorkers(background = TRUE)

> message("Number of free background workers: ", n)
Number of free background workers: 0

> stopifnot(n == 0)

> plan(future.batchtools::batchtools_interactive)

> n <- nbrOfWorkers()

> message("Number of workers: ", n)
Number of workers: 1

> stopifnot(n == 1)

> n <- nbrOfFreeWorkers()

> message("Number of free workers: ", n)
Number of free workers: 1

> stopifnot(n == 1)

> n <- nbrOfFreeWorkers(background = TRUE)

> message("Number of free background workers: ", n)
Number of free background workers: 0

> stopifnot(n == 0)

> message("*** nbrOfWorkers() - local, interactive ... DONE")
*** nbrOfWorkers() - local, interactive ... DONE

> ncores <- availableCores("multicore")

> if (ncores >= 2) {
+     message("*** nbrOfWorkers() - multicore ...")
+     n <- plan(future.batchtools::batchtools_multicore)
+     n <- nbrOfWork .... [TRUNCATED] 

> message("*** nbrOfWorkers() - custom ...")
*** nbrOfWorkers() - custom ...

> cf <- batchtools::makeClusterFunctionsInteractive(external = TRUE)

> str(cf)
List of 11
 $ name                : chr "Interactive"
 $ submitJob           :function (reg, jc)  
 $ killJob             : NULL
 $ listJobsQueued      : NULL
 $ listJobsRunning     : NULL
 $ array.var           : chr NA
 $ store.job.collection: logi TRUE
 $ store.job.files     : logi FALSE
 $ scheduler.latency   : num 0
 $ fs.latency          : num 0
 $ hooks               : list()
 - attr(*, "class")= chr "ClusterFunctions"

> plan(future.batchtools::batchtools_custom, workers = 1, 
+     cluster.functions = cf)
Warning: Detected 2 unknown future arguments: 'workers', 'cluster.functions'

> n <- nbrOfWorkers()

> message("Number of workers: ", n)
Number of workers: 1

> stopifnot(n == 1)

> message("*** nbrOfWorkers() - custom ... DONE")
*** nbrOfWorkers() - custom ... DONE

> message("*** nbrOfWorkers() ... DONE")
*** nbrOfWorkers() ... DONE
Sourcing 6 epilogue scripts ...
01/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_epilogue/001.undo-future.R'
02/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_epilogue/002.undo-state.R'
Failed to undo environment variables:
 - Expected environment variables: [n=214] '!ExitCode', 'ALLUSERSPROFILE', 'APPDATA', ..., 'tempdirname'
 - Environment variables still there: [n=0] 
 - Environment variables missing: [n=1] 'MAKEFLAGS'
Differences environment variable by environment variable:
03/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_epilogue/090.gc.R'
04/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_epilogue/099.session_info.R'
05/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_epilogue/995.detritus-connections.R'
06/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future.batchtools/testme/_epilogue/999.detritus-files.R'
Skipping, because path appears not to be an 'R CMD check' folder: 'D:/temp/2025_08_26_00_40_17_26176'
Sourcing 6 epilogue scripts ... done
Test time: user.self=0.5s, sys.self=0.02s, elapsed=0.5s, user.child=NAs, sys.child=NAs
Test 'tempdirname' ... success
> 
> proc.time()
   user  system elapsed 
   1.10    0.12    1.21