R Under development (unstable) (2023-04-29 r84347 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(rswipl)
Welcome to SWI-Prolog (threaded, 64 bits, version 9.1.9)
SWI-Prolog comes with ABSOLUTELY NO WARRANTY. This is free software.
Please run ?- license. for legal details.

For online help and background, visit https://www.swi-prolog.org
For built-in help, use ?- help(Topic). or ?- apropos(Word).
> 
> test_check("rswipl")
Warning: library(bdb) .......................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/bdb.html
Warning: library(double_metaphone) ............. NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/double_metaphone.html
Warning: library(isub) ......................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/isub.html
Warning: library(jpl) .......................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/jpl.html
Warning: library(odbc) ......................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/odbc.html
Warning: library(pce) .......................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/xpce.html
Warning: library(pdt_console) .................. NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/pdt_console.html
Warning: library(porter_stem) .................. NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/porter_stem.html
Warning: library(protobufs) .................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/protobufs.html
Warning: library(semweb/rdf_db) ................ NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/semweb/rdf_db.html
Warning: library(semweb/rdf_ntriples) .......... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/semweb/rdf_ntriples.html
Warning: library(semweb/turtle) ................ NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/semweb/turtle.html
Warning: library(snowball) ..................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/snowball.html
Warning: library(sweep_link) ................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/sweep_link.html
Warning: library(unicode) ...................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/unicode.html
Warning: library(yaml) ......................... NOT FOUND
Warning: See http://www.swi-prolog.org/build/issues/yaml.html
Warning: Found 16 issues.
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 15 ]
> 
> proc.time()
   user  system elapsed 
   1.64    0.26    1.87