R Under development (unstable) (2024-05-22 r86590 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> source("helper/helper.R")
> 
> f = get("URLencode", envir = getNamespace("utils"))
> z = "ab%20cd"
> expect_identical(backports:::URLencode(z, repeated = TRUE), "ab%2520cd")
> 
> if (getRversion() >= "3.2.0") {
+   expect_same = makeCompareFun(f, backports:::URLencode)
+   expect_same(z)
+   expect_same(z, repeated = FALSE)
+   expect_same(z, repeated = TRUE)
+ } else {
+   expect_identical(f(z), backports:::URLencode(z, repeated = TRUE))
+ }
> 
> proc.time()
   user  system elapsed 
   0.21    0.10    0.26