R Under development (unstable) (2025-04-17 r88153 ucrt) -- "Unsuffered Consequences"
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> 
> library(datapackage)
> source("helpers.R")
> 
> x <- c("EUR 500", "EUR -1.25", "25%", "+40", "€40", "10E4 km", NA)
> res <- datapackage:::bareNumber(x)
> expect_equal(res$prefix, c("EUR", "EUR", NA, NA, "€", NA, NA))
> expect_equal(res$postfix, c(NA, NA, "%", NA, NA, "km", NA))
> expect_equal(res$remainder, c("500", "-1.25", "25", "+40", "40", "10E4", NA))
> 
> expect_warning(res <- datapackage:::bareNumber(""))
> expect_equal(res$prefix, c(NA_character_))
> expect_equal(res$remainder, c(""))
> expect_equal(res$postfix, c(NA_character_))
> 
> res <- datapackage:::bareNumber("F5U")
> expect_equal(res$prefix, c("F"))
> expect_equal(res$remainder, c("5"))
> expect_equal(res$postfix, c("U"))
> 
> expect_warning(res <- datapackage:::bareNumber(c("FOO", "40")))
> expect_equal(res$prefix, c(NA_character_, NA_character_))
> expect_equal(res$remainder, c("FOO", "40"))
> expect_equal(res$postfix, c(NA_character_, NA_character_))
> 
> expect_warning(res <- datapackage:::bareNumber(c("-Inf", "NaN")))
> expect_equal(res$prefix, c(NA_character_, NA_character_))
> expect_equal(res$remainder, c("-Inf", "NaN"))
> expect_equal(res$postfix, c(NA_character_, NA_character_))
> 
> 
> proc.time()
   user  system elapsed 
   0.17    0.03    0.18