R Under development (unstable) (2025-05-08 r88190 ucrt) -- "Unsuffered Consequences"
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> ## This runs testme test script inst/testme/test-plan.R
> ## Don't edit - it was autogenerated by inst/testme/deploy.R
> future:::testme("plan")
Test 'plan' ...
Sourcing 9 prologue scripts ...
01/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/001.load.R'
02/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/002.record-state.R'
03/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/030.imports.R'
04/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/050.utils.R'
05/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/090.context.R'
06/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/090.options.R'
07/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/091.envvars.R'
08/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/099.future-setup.R'
09/09 prologue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_prologue/995.detrius-connections.R'
Sourcing 9 prologue scripts ... done
Running test script: 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/test-plan.R'

> library(future)
[01:58:18.875] Option 'future.startup.script': TRUE
[01:58:18.876] Future startup scripts considered: '.future.R', '~/.future.R'
[01:58:18.877] Future startup scripts found: <none>

> options(future.debug = FALSE)

> message("*** plan() ...")
*** plan() ...

> cl <- parallelly::makeClusterPSOCK(1)

> print(cl)
Socket cluster with 1 nodes where 1 node is on host 'localhost' (R Under development (unstable) (2025-05-08 r88190 ucrt), platform x86_64-w64-mingw32)

> pid <- Sys.getpid()

> message("R session PID: ", pid)
R session PID: 36144

> message("*** Set strategy via plan(sequential)")
*** Set strategy via plan(sequential)

> oplan <- plan(sequential)

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
FutureBackend to be launched

> plan(oplan)

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
FutureBackend to be launched

> worker_pid <- value(future(Sys.getpid()))

> message("Worker PID: ", worker_pid)
Worker PID: 36144

> stopifnot(worker_pid == pid)

> message("*** Set strategy via plan(cluster, workers = cl)")
*** Set strategy via plan(cluster, workers = cl)

> oplan <- plan(cluster, workers = cl)

> print(plan())
cluster:
- args: function (..., workers = "<Socket cluster with 1 nodes where 1 node is on host 'localhost' (R Under development (unstable) (2025-05-08 r88190 ucrt), platform x86_64-w64-mingw32)>", envir = parent.frame())
- tweaked: TRUE
- call: plan(cluster, workers = cl)
ClusterFutureBackend:
Inherits: MultiprocessFutureBackend, FutureBackend
UUID: c358709a11fed028d006e2313914d78b
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: TRUE
Interrupts are enabled: FALSE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'persistent': FALSE
Argument 'wait.timeout': 86400
Argument 'wait.interval': 0.01
Argument 'wait.alpha': 1.01
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 0 (0 created, 0 launched, 0 finished)
Total runtime of futures: 0 secs (NaN secs/finished future)
Workers of type RichSOCKcluster:
- Summary: Socket cluster with 1 nodes where 1 node is on host 'localhost' (R Under development (unstable) (2025-05-08 r88190 ucrt), platform x86_64-w64-mingw32)
- [ OK ] Node 1/1: valid connection [RichSOCKnode of a socket cluster on local host 'localhost' with pid 61468 (R Under development (unstable) (2025-05-08 r88190 ucrt), x86_64-w64-mingw32) using socket connection #4 ('<-CRANwin3.fb05.statistik.uni-dortmund.de:34333')]

> worker_pid_1 <- value(future(Sys.getpid()))

> message("Worker PID: ", worker_pid_1)
Worker PID: 61468

> stopifnot(worker_pid_1 != pid)

> plan(oplan)

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: 1c720eadf4ea8ae2f65bca500a98a45d
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 1 (1 created, 1 launched, 1 finished)
Total runtime of futures: 0.004436016 secs (0.004436016 secs/finished future)

> message("*** Set strategy via plan(cluster(workers = cl)")
*** Set strategy via plan(cluster(workers = cl)

> oplan <- plan(future::cluster(workers = cl))

> print(plan())
cluster:
- args: function (..., workers = "<Socket cluster with 1 nodes where 1 node is on host 'localhost' (R Under development (unstable) (2025-05-08 r88190 ucrt), platform x86_64-w64-mingw32)>", envir = parent.frame())
- tweaked: TRUE
- call: plan(future::cluster(workers = cl))
ClusterFutureBackend:
Inherits: MultiprocessFutureBackend, FutureBackend
UUID: d2917e32b7ded76ecd46106a5f56a65e
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: TRUE
Interrupts are enabled: FALSE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'persistent': FALSE
Argument 'wait.timeout': 86400
Argument 'wait.interval': 0.01
Argument 'wait.alpha': 1.01
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 0 (0 created, 0 launched, 0 finished)
Total runtime of futures: 0 secs (NaN secs/finished future)
Workers of type RichSOCKcluster:
- Summary: Socket cluster with 1 nodes where 1 node is on host 'localhost' (R Under development (unstable) (2025-05-08 r88190 ucrt), platform x86_64-w64-mingw32)
- [ OK ] Node 1/1: valid connection [RichSOCKnode of a socket cluster on local host 'localhost' with pid 61468 (R Under development (unstable) (2025-05-08 r88190 ucrt), x86_64-w64-mingw32) using socket connection #4 ('<-CRANwin3.fb05.statistik.uni-dortmund.de:34333')]

> worker_pid_2 <- value(future(Sys.getpid()))

> message("Worker PID: ", worker_pid_2)
Worker PID: 61468

> stopifnot(worker_pid_2 != pid, worker_pid_2 == worker_pid_1)

> plan(oplan)

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: 1c720eadf4ea8ae2f65bca500a98a45d
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 1 (1 created, 1 launched, 1 finished)
Total runtime of futures: 0.004436016 secs (0.004436016 secs/finished future)

> message("*** Set strategy via plan('sequential')")
*** Set strategy via plan('sequential')

> oplan <- plan("sequential")

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: 1c720eadf4ea8ae2f65bca500a98a45d
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 1 (1 created, 1 launched, 1 finished)
Total runtime of futures: 0.004436016 secs (0.004436016 secs/finished future)

> worker_pid <- value(future(Sys.getpid()))

> message("Worker PID: ", worker_pid)
Worker PID: 36144

> stopifnot(worker_pid == pid)

> plan(oplan)

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: 1c720eadf4ea8ae2f65bca500a98a45d
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 2 (2 created, 2 launched, 2 finished)
Total runtime of futures: 0.007338047 secs (0.003669024 secs/finished future)

> message("*** plan('default')")
*** plan('default')

> oplan <- plan("default")

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: 1c720eadf4ea8ae2f65bca500a98a45d
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 2 (2 created, 2 launched, 2 finished)
Total runtime of futures: 0.007338047 secs (0.003669024 secs/finished future)

> plan(oplan)

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: 1c720eadf4ea8ae2f65bca500a98a45d
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 2 (2 created, 2 launched, 2 finished)
Total runtime of futures: 0.007338047 secs (0.003669024 secs/finished future)

> message("*** Stability of plan(cluster, workers = n)")
*** Stability of plan(cluster, workers = n)

> oplan <- plan(cluster, workers = I(1))

> print(plan())
cluster:
- args: function (..., workers = 1, envir = parent.frame())
- tweaked: TRUE
- call: plan(cluster, workers = I(1))
ClusterFutureBackend:
Inherits: MultiprocessFutureBackend, FutureBackend
UUID: a1277910725f643381ac6b2936de0b28
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: TRUE
Interrupts are enabled: FALSE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'persistent': FALSE
Argument 'wait.timeout': 86400
Argument 'wait.interval': 0.01
Argument 'wait.alpha': 1.01
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 0 (0 created, 0 launched, 0 finished)
Total runtime of futures: 0 secs (NaN secs/finished future)
Workers of type RichSOCKcluster:
- Summary: Socket cluster with 1 nodes where 1 node is on host 'localhost' (R Under development (unstable) (2025-05-08 r88190 ucrt), platform x86_64-w64-mingw32)
- [ OK ] Node 1/1: valid connection [RichSOCKnode of a socket cluster on local host 'localhost' with pid 115156 (R Under development (unstable) (2025-05-08 r88190 ucrt), x86_64-w64-mingw32) using socket connection #5 ('<-CRANwin3.fb05.statistik.uni-dortmund.de:38051')]

> worker_pid_1 <- value(future(Sys.getpid()))

> message("Worker PID: ", worker_pid_1)
Worker PID: 115156

> stopifnot(worker_pid_1 != pid)

> oplan <- plan(cluster, workers = I(1))

> print(plan())
cluster:
- args: function (..., workers = 1, envir = parent.frame())
- tweaked: TRUE
- call: plan(cluster, workers = I(1))
ClusterFutureBackend:
Inherits: MultiprocessFutureBackend, FutureBackend
UUID: a1277910725f643381ac6b2936de0b28
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: TRUE
Interrupts are enabled: FALSE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'persistent': FALSE
Argument 'wait.timeout': 86400
Argument 'wait.interval': 0.01
Argument 'wait.alpha': 1.01
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 1 (1 created, 1 launched, 1 finished)
Total runtime of futures: 0.06143403 secs (0.06143403 secs/finished future)
Workers of type RichSOCKcluster:
- Summary: Socket cluster with 1 nodes where 1 node is on host 'localhost' (R Under development (unstable) (2025-05-08 r88190 ucrt), platform x86_64-w64-mingw32)
- [ OK ] Node 1/1: valid connection [RichSOCKnode of a socket cluster on local host 'localhost' with pid 115156 (R Under development (unstable) (2025-05-08 r88190 ucrt), x86_64-w64-mingw32) using socket connection #5 ('<-CRANwin3.fb05.statistik.uni-dortmund.de:38051')]

> worker_pid_2 <- value(future(Sys.getpid()))

> message("Worker PID: ", worker_pid_2)
Worker PID: 115156

> stopifnot(worker_pid_2 != pid, worker_pid_2 == worker_pid_1)

> plan(oplan)

> print(plan())
cluster:
- args: function (..., workers = 1, envir = parent.frame())
- tweaked: TRUE
- call: plan(cluster, workers = I(1))
ClusterFutureBackend:
Inherits: MultiprocessFutureBackend, FutureBackend
UUID: a1277910725f643381ac6b2936de0b28
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: TRUE
Interrupts are enabled: FALSE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'persistent': FALSE
Argument 'wait.timeout': 86400
Argument 'wait.interval': 0.01
Argument 'wait.alpha': 1.01
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 2 (2 created, 2 launched, 2 finished)
Total runtime of futures: 0.06516814 secs (0.03258407 secs/finished future)
Workers of type RichSOCKcluster:
- Summary: Socket cluster with 1 nodes where 1 node is on host 'localhost' (R Under development (unstable) (2025-05-08 r88190 ucrt), platform x86_64-w64-mingw32)
- [ OK ] Node 1/1: valid connection [RichSOCKnode of a socket cluster on local host 'localhost' with pid 115156 (R Under development (unstable) (2025-05-08 r88190 ucrt), x86_64-w64-mingw32) using socket connection #5 ('<-CRANwin3.fb05.statistik.uni-dortmund.de:38051')]

> message("*** plan('unknown strategy')")
*** plan('unknown strategy')

> res <- try(plan("unknown strategy"), silent = TRUE)

> print(res)
[1] "Error : No such backend for futures: 'unknown strategy'\n"
attr(,"class")
[1] "try-error"
attr(,"condition")
<simpleError: No such backend for futures: 'unknown strategy'>

> stopifnot(inherits(res, "try-error"))

> message("*** plan(sequential)")
*** plan(sequential)

> plan(sequential)

> a <- 0

> f <- future({
+     b <- 3
+     c <- 2
+     a * b * c
+ })

> a <- 7

> v <- value(f)

> print(v)
[1] 0

> stopifnot(v == 0)

> message("*** plan('sequential')")
*** plan('sequential')

> plan("sequential")

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: cfccc7b8222b5242974a04e190b8cb4a
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 1 (1 created, 1 launched, 1 finished)
Total runtime of futures: 0.003280878 secs (0.003280878 secs/finished future)

> message("*** plan() and overriding defaults")
*** plan() and overriding defaults

> message("*** plan(sequential)")
*** plan(sequential)

> plan(sequential)

> fcn <- plan("next")

> print(fcn)
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: cfccc7b8222b5242974a04e190b8cb4a
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 1 (1 created, 1 launched, 1 finished)
Total runtime of futures: 0.003280878 secs (0.003280878 secs/finished future)

> x <- 0

> f <- future({
+     x <- 1
+ })

> print(value(f))
[1] 1

> stopifnot(x == 0)

> message("*** plan(sequential, abc = 1)")
*** plan(sequential, abc = 1)

> plan(sequential, abc = 1, def = TRUE)
Warning: Detected 2 unknown future arguments: 'abc', 'def'

> fcn <- plan("next")

> print(fcn)
sequential:
- args: function (..., abc = 1, def = TRUE, envir = parent.frame(), workers = "<NULL>")
- tweaked: TRUE
- call: plan(sequential, abc = 1, def = TRUE)
SequentialFutureBackend:
Inherits: FutureBackend
UUID: 36cdc6fb4214676dbc30641e3e1d8388
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 0 (0 created, 0 launched, 0 finished)
Total runtime of futures: 0 secs (NaN secs/finished future)

> stopifnot(formals(fcn)$abc == 1)

> message("*** plan(sequential(abc = 1))")
*** plan(sequential(abc = 1))

> plan(cluster, workers = cl)

> plan(sequential(abc = 1))
Warning: Detected 1 unknown future arguments: 'abc'

> fcn <- plan("next")

> print(fcn)
sequential:
- args: function (..., abc = 1, envir = parent.frame(), workers = "<NULL>")
- tweaked: TRUE
- call: plan(sequential(abc = 1))
SequentialFutureBackend:
Inherits: FutureBackend
UUID: ae93941b06eaf8e71525e7dc62e38708
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 0 (0 created, 0 launched, 0 finished)
Total runtime of futures: 0 secs (NaN secs/finished future)

> stopifnot(formals(fcn)$abc == 1)

> message("*** plan(tweak(sequential, abc = 1))")
*** plan(tweak(sequential, abc = 1))

> plan(cluster, workers = cl)

> plan(tweak(sequential, abc = 1))
Warning: Detected 1 unknown future arguments: 'abc'
Warning: Detected 1 unknown future arguments: 'abc'

> fcn <- plan("next")

> print(fcn)
sequential:
- args: function (..., abc = 1, envir = parent.frame(), workers = "<NULL>")
- tweaked: TRUE
- call: plan(tweak(sequential, abc = 1))
SequentialFutureBackend:
Inherits: FutureBackend
UUID: d20e34b4ca7d175fe6a086412733526f
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 0 (0 created, 0 launched, 0 finished)
Total runtime of futures: 0 secs (NaN secs/finished future)

> stopifnot(formals(fcn)$abc == 1)

> message("*** do.call(plan, args = list(sequential, abc = 1))")
*** do.call(plan, args = list(sequential, abc = 1))

> do.call(plan, args = list(sequential, abc = 1, def = TRUE))
Warning: Detected 2 unknown future arguments: 'abc', 'def'

> fcn <- plan("next")

> print(fcn)
sequential:
- args: function (..., abc = 1, def = TRUE, envir = parent.frame(), workers = "<NULL>")
- tweaked: TRUE
- call: NULL
SequentialFutureBackend:
Inherits: FutureBackend
UUID: d20e34b4ca7d175fe6a086412733526f
Number of workers: 1
Number of free workers: 1
Available cores: 2
Automatic garbage collection: FALSE
Early signaling: FALSE
Interrupts are enabled: TRUE
Maximum total size of globals: +Inf
Maximum total size of value: +Inf
Argument 'hooks': FALSE
Number of active futures: 0
Number of futures since start: 0 (0 created, 0 launched, 0 finished)
Total runtime of futures: 0 secs (NaN secs/finished future)

> stopifnot(formals(fcn)$abc == 1)

> message("*** plan(cluster, ..., rscript_startup = \"<code>\")")
*** plan(cluster, ..., rscript_startup = "<code>")

> plan(cluster, workers = 1, rscript_startup = "options(abc = 42L)")
Warning: Detected 1 unknown future arguments: 'rscript_startup'

> f <- future(getOption("abc"))

> v <- value(f)

> print(v)
[1] 42

> stopifnot(identical(v, 42))

> plan(sequential)

> message("*** plan(cluster, ..., rscript_startup = <expr>)")
*** plan(cluster, ..., rscript_startup = <expr>)

> plan(cluster, workers = 1, rscript_startup = quote(options(abc = 42)))
Warning: Detected 1 unknown future arguments: 'rscript_startup'

> f <- future(getOption("abc"))

> v <- value(f)

> print(v)
[1] 42

> stopifnot(identical(v, 42))

> plan(sequential)

> message("*** plan(sequential, gc = TRUE)")
*** plan(sequential, gc = TRUE)

> oplan <- plan(cluster, gc = TRUE)

> f <- future(42)

> v <- value(f)

> print(v)
[1] 42

> stopifnot(identical(v, 42))

> plan(sequential)

> message("*** plan(cluster, gc = TRUE)")
*** plan(cluster, gc = TRUE)

> oplan <- plan(cluster, gc = TRUE)

> f <- future(42)

> v <- value(f)

> print(v)
[1] 42

> stopifnot(identical(v, 42))

> plan(sequential)

> message("*** plan(cluster, gc = TRUE)")
*** plan(cluster, gc = TRUE)

> oplan <- plan(cluster, gc = TRUE)

> f <- future(42)

> v <- value(f)

> print(v)
[1] 42

> stopifnot(identical(v, 42))

> plan(sequential)

> message("*** plan(cluster, earlySignal = TRUE)")
*** plan(cluster, earlySignal = TRUE)

> oplan <- plan(cluster, earlySignal = TRUE)

> f <- future(42)

> v <- value(f)

> print(v)
[1] 42

> stopifnot(identical(v, 42))

> plan(sequential)

> message("*** plan(cluster, earlySignal = TRUE)")
*** plan(cluster, earlySignal = TRUE)

> oplan <- plan(cluster, earlySignal = TRUE)

> f <- future(42)

> v <- value(f)

> print(v)
[1] 42

> stopifnot(identical(v, 42))

> plan(sequential)

> message("*** plan(cluster, earlySignal = TRUE)")
*** plan(cluster, earlySignal = TRUE)

> oplan <- plan(cluster, earlySignal = TRUE)

> f <- future(42)

> v <- value(f)

> print(v)
[1] 42

> stopifnot(identical(v, 42))

> plan(sequential)

> message("*** old <- plan(new)")
*** old <- plan(new)

> truth <- plan("list")

> old <- plan(cluster, workers = cl)

> stopifnot(identical(unclass(old), unclass(truth)))

> stack <- plan("list")

> prev <- plan(old)

> stopifnot(identical(stack, prev))

> stack <- plan("list")

> stopifnot(identical(stack, old))

> stopifnot(identical(stack, truth))

> message("*** with(plan(sequential), ...)")
*** with(plan(sequential), ...)

> plan(cluster, workers = cl)

> pid <- Sys.getpid()

> with(plan(sequential), {
+     f <- future({
+         Sys.getpid()
+     })
+     v <- value(f)
+ })

> stopifnot(v == pid, inherits(plan("next"), "cluster"))

> message("*** with(plan(sequential), local = TRUE)")
*** with(plan(sequential), local = TRUE)

> plan(cluster, workers = cl)

> pid <- Sys.getpid()

> v <- local({
+     with(plan(sequential), local = TRUE)
+     f <- future({
+         Sys.getpid()
+     })
+     v <- value(f)
+ })

> stopifnot(v == pid, inherits(plan("next"), "cluster"))

> message("*** %plan% 'sequential'")
*** %plan% 'sequential'

> plan(cluster, workers = cl)

> pid <- Sys.getpid()

> x %<-% {
+     Sys.getpid()
+ } %plan% "sequential"

> stopifnot(v == pid, inherits(plan("next"), "cluster"))

> message("*** %plan% sequential")
*** %plan% sequential

> plan(cluster, workers = cl)

> fun <- {
+     plan("next")
+ } %plan% sequential

> pid <- Sys.getpid()

> x %<-% {
+     Sys.getpid()
+ } %plan% sequential

> stopifnot(v == pid, inherits(plan("next"), "cluster"))

> message("*** Nested futures with different plans")
*** Nested futures with different plans

> c %<-% {
+     message("Resolving 'c'")
+     a %<-% {
+         message("Resolving 'a'")
+         2
+     } %plan% sequential
+     b %<-% {
+     .... [TRUNCATED] 

> d <- 42

> print(d)
[1] 42

> print(c)
Resolving 'c'
Resolving 'a'
Local variable 'x'
Resolving 'b'
[1] 6

> stopifnot(c == 6)

> message("*** plan() by functions and character names ... ")
*** plan() by functions and character names ... 

> plan(sequential)

> a %<-% 42

> stopifnot(a == 42)

> plan("sequential")

> a %<-% 42

> stopifnot(a == 42)

> plan(list(sequential))

> a %<-% 42

> stopifnot(a == 42)

> plan(list("sequential"))

> a %<-% 42

> stopifnot(a == 42)

> plan(list(sequential, sequential))

> a %<-% {
+     b %<-% 42
+     b
+ }

> stopifnot(a == 42)

> plan(list("sequential", sequential))

> a %<-% {
+     b %<-% 42
+     b
+ }

> stopifnot(a == 42)

> plan(list(sequential, "sequential"))

> a %<-% {
+     b %<-% 42
+     b
+ }

> stopifnot(a == 42)

> plan(list("sequential", "sequential"))

> a %<-% {
+     b %<-% 42
+     b
+ }

> stopifnot(a == 42)

> plan(list("sequential", "sequential"))

> a %<-% {
+     b %<-% 42
+     b
+ }

> stopifnot(a == 42)

> message("*** plan() by functions and character names ... DONE")
*** plan() by functions and character names ... DONE

> message("*** plan() w/ commands ...")
*** plan() w/ commands ...

> plan(list(sequential, sequential))

> res <- plan("list")

> print(res)
List of future strategies:
1. sequential:
   - args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
   - tweaked: FALSE
   - call: plan(list(sequential, sequential))
2. sequential:
   - args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
   - tweaked: FALSE
   - call: plan(list(sequential, sequential))

> stopifnot(length(res) == 2)

> plan("pop")
List of future strategies:
1. sequential:
   - args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
   - tweaked: FALSE
   - call: plan(list(sequential, sequential))
2. sequential:
   - args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
   - tweaked: FALSE
   - call: plan(list(sequential, sequential))

> res <- plan("list")

> print(res)
[[1]]
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(list(sequential, sequential))
FutureBackend to be launched


> stopifnot(length(res) == 1)

> plan("reset")
List of future strategies:
1. sequential:
   - args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
   - tweaked: FALSE
   - call: plan(sequential)

> print(plan())
sequential:
- args: function (..., gc = FALSE, earlySignal = FALSE, envir = parent.frame(), workers = "<NULL>")
- tweaked: FALSE
- call: plan(sequential)
FutureBackend to be launched

> message("*** plan() w/ commands ... DONE")
*** plan() w/ commands ... DONE

> message("*** plan() - odds'n'ends ...")
*** plan() - odds'n'ends ...

> plan(sequential, split = FALSE)

> f <- future(42)

> v <- value(f)

> stopifnot(v == 42)

> stopifnot(inherits(f$envir, "environment"), identical(f$envir, 
+     globalenv()))

> message("*** plan() - odds'n'ends ... DONE")
*** plan() - odds'n'ends ... DONE

> parallel::stopCluster(cl)

> plan(sequential)

> message("*** plan() ... DONE")
*** plan() ... DONE
Sourcing 6 epilogue scripts ...
01/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_epilogue/001.undo-future.R'
02/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_epilogue/002.undo-state.R'
Failed to undo environment variables:
 - Expected environment variables: [n=213] '!ExitCode', 'ALLUSERSPROFILE', 'APPDATA', 'BIBINPUTS', 'BINDIR', 'BSTINPUTS', 'COMMONPROGRAMFILES', 'COMPUTERNAME', 'COMSPEC', 'CURL_CA_BUNDLE', 'CYGWIN', 'CommonProgramFiles(x86)', 'CommonProgramW6432', 'DriverData', 'HOME', 'HOMEDRIVE', 'HOMEPATH', 'JAGS_ROOT', 'JAVA_HOME', 'LANGUAGE', 'LC_COLLATE', 'LC_MONETARY', 'LC_TIME', 'LOCALAPPDATA', 'LOGONSERVER', 'LS_HOME', 'LS_LICENSE_PATH', 'MAKE', 'MAKEFLAGS', 'MAKELEVEL', 'MFLAGS', 'MSMPI_BENCHMARKS', 'MSMPI_BIN', 'MSYS2_ENV_CONV_EXCL', 'NUMBER_OF_PROCESSORS', 'OCL', 'OMP_THREAD_LIMIT', 'OS', 'PATH', 'PATHEXT', 'PROCESSOR_ARCHITECTURE', 'PROCESSOR_IDENTIFIER', 'PROCESSOR_LEVEL', 'PROCESSOR_REVISION', 'PROGRAMFILES', 'PROMPT', 'PSModulePath', 'PUBLIC', 'PWD', 'ProgramData', 'ProgramFiles(x86)', 'ProgramW6432', 'RTOOLS44_HOME', 'RTOOLS45_HOME', 'R_ARCH', 'R_BROWSER', 'R_BZIPCMD', 'R_CMD', 'R_COMPILED_BY', 'R_CRAN_WEB', 'R_CUSTOM_TOOLS_PATH', 'R_CUSTOM_TOOLS_SOFT', 'R_DOC_DIR', 'R_ENVIRON_USER', 'R_GSCMD', 'R_GZIPCMD', 'R_HOME', 'R_INCLUDE_DIR', 'R_INSTALL_TAR', 'R_LIBS', 'R_LIBS_SITE', 'R_LIBS_USER', 'R_MAX_NUM_DLLS', 'R_OSTYPE', 'R_PAPERSIZE', 'R_PAPERSIZE_USER', 'R_PARALLELLY_MAKENODEPSOCK_AUTOKILL', 'R_PARALLELLY_MAKENODEPSOCK_CONNECTTIMEOUT', 'R_PARALLELLY_MAKENODEPSOCK_RSCRIPT_LABEL', 'R_PARALLELLY_MAKENODEPSOCK_SESSIONINFO_PKGS', 'R_PARALLELLY_MAKENODEPSOCK_TIMEOUT', 'R_PARALLELLY_RANDOM_PORTS', 'R_PARALLEL_PORT', 'R_RD4PDF', 'R_RTOOLS45_PATH', 'R_SCRIPT_LEGACY', 'R_SHARE_DIR', 'R_TESTME_NAME', 'R_TESTME_PACKAGE', 'R_TESTME_PATH', 'R_TESTS', 'R_UNZIPCMD', 'R_USER', 'R_VERSION', 'R_ZIPCMD', 'SED', 'SHLVL', 'SYSTEMDRIVE', 'SYSTEMROOT', 'TAR', 'TAR_OPTIONS', 'TEMP', 'TERM', 'TEXINPUTS', 'TMP', 'TMPDIR', 'USERDOMAIN', 'USERDOMAIN_ROAMINGPROFILE', 'USERNAME', 'USERPROFILE', 'WINDIR', '_', '_R_CHECK_AUTOCONF_', '_R_CHECK_BOGUS_RETURN_', '_R_CHECK_BROWSER_NONINTERACTIVE_', '_R_CHECK_BUILD_VIGNETTES_SEPARATELY_', '_R_CHECK_CODETOOLS_PROFILE_', '_R_CHECK_CODE_ASSIGN_TO_GLOBALENV_', '_R_CHECK_CODE_ATTACH_', '_R_CHECK_CODE_CLASS_IS_STRING_', '_R_CHECK_CODE_DATA_INTO_GLOBALENV_', '_R_CHECK_CODE_USAGE_VIA_NAMESPACES_', '_R_CHECK_CODE_USAGE_WITHOUT_LOADING_', '_R_CHECK_CODE_USAGE_WITH_ONLY_BASE_ATTACHED_', '_R_CHECK_CODOC_VARIABLES_IN_USAGES_', '_R_CHECK_COMPACT_DATA2_', '_R_CHECK_COMPILATION_FLAGS_', '_R_CHECK_CONNECTIONS_LEFT_OPEN_', '_R_CHECK_CRAN_INCOMING_', '_R_CHECK_CRAN_INCOMING_ASPELL_RECHECK_MAYBE_', '_R_CHECK_CRAN_INCOMING_ASPELL_RECHECK_START_', '_R_CHECK_CRAN_INCOMING_CHECK_FILE_URIS_', '_R_CHECK_CRAN_INCOMING_CHECK_URLS_IN_PARALLEL_', '_R_CHECK_CRAN_INCOMING_NOTE_GNU_MAKE_', '_R_CHECK_CRAN_INCOMING_REMOTE_', '_R_CHECK_CRAN_INCOMING_USE_ASPELL_', '_R_CHECK_DATALIST_', '_R_CHECK_DEPRECATED_DEFUNCT_', '_R_CHECK_DOC_SIZES2_', '_R_CHECK_DOT_FIRSTLIB_', '_R_CHECK_DOT_INTERNAL_', '_R_CHECK_EXAMPLE_TIMING_THRESHOLD_', '_R_CHECK_EXECUTABLES_', '_R_CHECK_EXECUTABLES_EXCLUSIONS_', '_R_CHECK_FF_CALLS_', '_R_CHECK_FF_DUP_', '_R_CHECK_FORCE_SUGGESTS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_LEEWAY_', '_R_CHECK_HAVE_MYSQL_', '_R_CHECK_HAVE_ODBC_', '_R_CHECK_HAVE_PERL_', '_R_CHECK_HAVE_POSTGRES_', '_R_CHECK_INSTALL_DEPENDS_', '_R_CHECK_INTERNALS2_', '_R_CHECK_LENGTH_1_CONDITION_', '_R_CHECK_LICENSE_', '_R_CHECK_LIMIT_CORES_', '_R_CHECK_LOG_USE_INFO_', '_R_CHECK_MATRIX_DATA_', '_R_CHECK_MBCS_CONVERSION_FAILURE_', '_R_CHECK_NATIVE_ROUTINE_REGISTRATION_', '_R_CHECK_NEWS_IN_PLAIN_TEXT_', '_R_CHECK_NO_RECOMMENDED_', '_R_CHECK_NO_STOP_ON_TEST_ERROR_', '_R_CHECK_ORPHANED_', '_R_CHECK_OVERWRITE_REGISTERED_S3_METHODS_', '_R_CHECK_PACKAGES_USED_IGNORE_UNUSED_IMPORTS_', '_R_CHECK_PACKAGES_USED_IN_TESTS_USE_SUBDIRS_', '_R_CHECK_PACKAGE_DATASETS_SUPPRESS_NOTES_', '_R_CHECK_PACKAGE_NAME_', '_R_CHECK_PKG_SIZES_', '_R_CHECK_PKG_SIZES_THRESHOLD_', '_R_CHECK_PRAGMAS_', '_R_CHECK_RD_EXAMPLES_T_AND_F_', '_R_CHECK_RD_LINE_WIDTHS_', '_R_CHECK_RD_MATH_RENDERING_', '_R_CHECK_RD_NOTE_LOST_BRACES_', '_R_CHECK_RD_VALIDATE_RD2HTML_', '_R_CHECK_REPLACING_IMPORTS_', '_R_CHECK_R_DEPENDS_', '_R_CHECK_S3_METHODS_SHOW_POSSIBLE_ISSUES_', '_R_CHECK_SCREEN_DEVICE_', '_R_CHECK_SERIALIZATION_', '_R_CHECK_SHLIB_OPENMP_FLAGS_', '_R_CHECK_SRC_MINUS_W_IMPLICIT_', '_R_CHECK_SUBDIRS_NOCASE_', '_R_CHECK_SUGGESTS_ONLY_', '_R_CHECK_SYSTEM_CLOCK_', '_R_CHECK_TESTS_NLINES_', '_R_CHECK_TEST_TIMING_', '_R_CHECK_TIMINGS_', '_R_CHECK_TOPLEVEL_FILES_', '_R_CHECK_UNDOC_USE_ALL_NAMES_', '_R_CHECK_UNSAFE_CALLS_', '_R_CHECK_URLS_SHOW_301_STATUS_', '_R_CHECK_VC_DIRS_', '_R_CHECK_VIGNETTES_NLINES_', '_R_CHECK_VIGNETTES_SKIP_RUN_MAYBE_', '_R_CHECK_VIGNETTE_TIMING_', '_R_CHECK_VIGNETTE_TITLES_', '_R_CHECK_WINDOWS_DEVICE_', '_R_CHECK_XREFS_NOTE_MISSING_PACKAGE_ANCHORS_', '_R_CHECK_XREFS_USE_ALIASES_FROM_CRAN_', '_R_CLASS_MATRIX_ARRAY_', '_R_DEPRECATED_IS_R_', '_R_S3_METHOD_LOOKUP_BASEENV_AFTER_GLOBALENV_', '_R_SHLIB_BUILD_OBJECTS_SYMBOL_TABLES_', '_R_USE_STRICT_R_HEADERS_', '__R_CHECK_DOC_FILES_NOTE_IF_ALL_SPECIAL__', 'maj.version', 'nextArg--timingsnextArg--install', '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/testme/_epilogue/090.gc.R'
04/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_epilogue/099.session_info.R'
05/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_epilogue/995.detritus-connections.R'
06/06 epilogue script 'D:/RCompile/CRANincoming/R-devel/lib/future/testme/_epilogue/999.detritus-files.R'
Skipping, because path appears not to be an 'R CMD check' folder: 'D:/temp/2025_05_09_01_55_17_23336'
Sourcing 6 epilogue scripts ... done
Test time: user.self=2s, sys.self=0.1s, elapsed=5s, user.child=NAs, sys.child=NAs
Test 'plan' ... success
> 
> proc.time()
   user  system elapsed 
   1.76    0.17    5.56