R Under development (unstable) (2025-03-03 r87871 ucrt) -- "Unsuffered Consequences"
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> # ff tests that require being highly intentional about load/attach order, e.g. #3
> 
> library(bit)

Attaching package: 'bit'

The following object is masked from 'package:base':

    xor

> 
> if (isNamespaceLoaded("ff")) {
+   cat("ff must be unloaded initially for this test to WAI\n")
+   q("n")
+ }
> chunk(1)
$`1:1`
range index (ri) from 1 to 1 maxindex 1 

> 
> if (!requireNamespace("ff")) {
+   cat("ff failed to load\n")
+   q("n")
+ }
Loading required namespace: ff
> chunk(1)
$`1:1`
range index (ri) from 1 to 1 maxindex 1 

> 
> # nolint next: undesirable_function_linter, unused_import_linter. It is used, by chunk().
> if (!require("ff")) {
+   cat("ff failed to attach\n")
+   q("n")
+ }
Loading required package: ff
Attaching package ff
- getOption("fftempdir")=="D:/temp/2025_03_05_13_50_17_21933/RtmpGmjgaE/ff"

- getOption("ffextension")=="ff"

- getOption("ffdrop")==TRUE

- getOption("fffinonexit")==TRUE

- getOption("ffpagesize")==65536

- getOption("ffcaching")=="mmnoflush"  -- consider "ffeachflush" if your system stalls on large writes

- getOption("ffbatchbytes")==16777216 -- consider a different value for tuning your system

- getOption("ffmaxbytes")==536870912 -- consider a different value for tuning your system


Attaching package: 'ff'

The following objects are masked from 'package:utils':

    write.csv, write.csv2

The following objects are masked from 'package:base':

    is.factor, is.ordered

> chunk(1)
$`1:1`
range index (ri) from 1 to 1 maxindex 1 

> 
> proc.time()
   user  system elapsed 
   0.17    0.07    0.21