R Under development (unstable) (2026-05-07 r90013 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> library(bolder)
> 
> options(bolder.width = 63)
> 
> title <- bolder_format_title("data cleaning", "title")
> title_lines <- strsplit(title, "\n", fixed = TRUE)[[1]]
> 
> stopifnot(
+   length(title_lines) == 5,
+   all(nchar(title_lines, type = "chars") == 63),
+   grepl("DATA CLEANING", title_lines[[3]], fixed = TRUE)
+ )
> 
> subtitle <- bolder_format_title("data cleaning", "subtitle")
> subtitle_lines <- strsplit(subtitle, "\n", fixed = TRUE)[[1]]
> 
> stopifnot(
+   length(subtitle_lines) == 3,
+   all(nchar(subtitle_lines, type = "chars") == 63),
+   grepl("DATA CLEANING", subtitle_lines[[2]], fixed = TRUE)
+ )
> 
> simple <- bolder_format_title("data cleaning", "simple")
> 
> stopifnot(
+   nchar(simple, type = "chars") == 63,
+   startsWith(simple, "# DATA CLEANING ")
+ )
> 
> proc.time()
   user  system elapsed 
   0.10    0.07    0.18