R Under development (unstable) (2025-01-06 r87534 ucrt) -- "Unsuffered Consequences"
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> library(pedbp)
> 
> ################################################################################
> # verify errors if args are not as expected
> x <- tryCatch(gs_chart(metric = "Not-A-Metric", male = 0, source = "CDC"),
+               error = function(e) e)
> stopifnot(inherits(x, "error"))
> 
> x <- tryCatch(gs_chart(metric = "height_for_age", male = -1, source = "CDC"),
+               error = function(e) e)
> stopifnot(inherits(x, "error"))
> stopifnot(identical(x$message, "male == 0 | male == 1 is not TRUE"))
> 
> x <- tryCatch(gs_chart(metric = "height_for_age", male = 1, source = "NOT A SOURCE"),
+               error = function(e) e)
> stopifnot(inherits(x, "error"))
> 
> ################################################################################
> # verify ggplot object is returned
> x <- gs_chart(metric = "bmi_for_age")
> stopifnot(isTRUE(inherits(x, "ggplot")))
> 
> ################################################################################
> #                                 End of File                                  #
> ################################################################################
> 
> proc.time()
   user  system elapsed 
   1.21    0.12    1.32