R Under development (unstable) (2023-11-28 r85645 ucrt) -- "Unsuffered Consequences"
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> # This file is part of the 'stringx' project.
> # Copyleft (c) 2021-2022, Marek Gagolewski <https://www.gagolewski.com>
> 
> # Runs all unit tests for the package
> 
> this_package <- "stringx"
> 
> set.seed(123)
> library(this_package, character.only=TRUE)

Attaching package: 'stringx'

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

    casefold, chartr, endsWith, gregexec, gregexpr, grep, grepl, gsub,
    ISOdate, ISOdatetime, nchar, nzchar, paste, paste0, regexec,
    regexpr, sprintf, startsWith, strftime, strptime, strrep, strsplit,
    strtrim, strwrap, sub, substr, substr<-, substring, substring<-,
    Sys.time, tolower, toupper, trimws, xtfrm, xtfrm.default

> if (require("realtest", quietly=TRUE)) {
+     f <- file.path(path.package(this_package), "realtest")
+     r <- test_dir(f, ".*\\.R$")
+     x <- summary(r)
+ 
+     names(r) <- row.names(x)
+     fails <- x[x[["match"]] == "fail", , drop=FALSE]
+     if (nrow(fails) > 0) {
+         fails2 <- as.data.frame(fails[,
+             !(names(fails) %in% ".expr") & !sapply(fails, function(x) all(is.na(x))),
+             drop=FALSE])
+         for (i in row.names(fails2)) {
+             cat(sprintf("%s:%d:\n", fails2[i, ".file"], fails2[i, ".line"]))
+             cat("    value: "); str(r[[i]][["object"]][["value"]], indent.str="    ")
+             cat("    sides: "); str(r[[i]][["object"]][["sides"]], indent.str="    ")
+         }
+ 
+         if (require("stringi", quietly=TRUE))
+             cat(sprintf("%s; %s\n", stri_info(TRUE), Sys.getlocale()))
+ 
+         stop("some tests failed")
+     }
+ }
> 
> proc.time()
   user  system elapsed 
   1.09    0.12    1.20