R Under development (unstable) (2024-10-14 r87233 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> library(qwraps2)
> 
> m <- mean(mtcars$mpg)
> s <- sd(mtcars$mpg)
> 
> # basic formatting
> stopifnot(
+   identical(
+     mean_sd(mtcars$mpg) # should default to LaTeX markup
+     ,
+     qwraps2::frmt(m, digits = 2) %s% " $\\pm$ " %s% qwraps2::frmt(s, digits = 2)
+   )
+ )
> 
> stopifnot(
+   identical(
+     mean_sd(mtcars$mpg, denote_sd = "paren")
+     ,
+     qwraps2::frmt(m, digits = 2) %s% " (" %s% qwraps2::frmt(s, digits = 2) %s% ")"
+   )
+ )
> 
> stopifnot(
+   identical(
+     mean_sd(mtcars$mpg, markup = "markdown")
+     ,
+     qwraps2::frmt(m, digits = 2) %s% " &plusmn; " %s% qwraps2::frmt(s, digits = 2)
+   )
+ )
> 
> stopifnot(
+   identical(
+     mean_sd(mtcars$mpg, show_n = "always", markup = "markdown")
+     ,
+     qwraps2::frmt(nrow(mtcars)) %s% "; " %s% qwraps2::frmt(m, digits = 2) %s% " &plusmn; " %s% qwraps2::frmt(s, digits = 2)
+   )
+ )
> 
> stopifnot(
+   identical(
+     mean_sd(c(mtcars$mpg,NA), na_rm = TRUE, show_n = "always", markup = "markdown")
+     ,
+     qwraps2::frmt(nrow(mtcars)) %s% "; " %s% qwraps2::frmt(m, digits = 2) %s% " &plusmn; " %s% qwraps2::frmt(s, digits = 2)
+   )
+ )
> 
> stopifnot(
+   identical(
+     mean_sd(c(mtcars$mpg, NA), na_rm = TRUE, show_n = "never", markup = "markdown")
+     ,
+     qwraps2::frmt(m, digits = 2) %s% " &plusmn; " %s% qwraps2::frmt(s, digits = 2)
+   )
+ )
> 
> 
> # error if show_n is not as expected
> stopifnot(inherits(tryCatch(mean_sd(mtcars$mpg, show_n = TRUE), error = function(e) e), "error"))
> 
> # warning if na.rm is used instead of na_rm
> stopifnot(inherits(tryCatch(mean_sd(mtcars$mpg, na.rm = TRUE), warning = function(w) w), "warning"))
> 
> proc.time()
   user  system elapsed 
   0.21    0.10    0.31