[Rd] reg-tests-1d.R fails in r72721

[Hiroyuki Kawakatsu]

On 2017-05-24, Duncan Murdoch wrote:
> 
> I think the test is wrong because in the first case you are working in a
> locale where that character is representable.  In my locale it is not, so x1
> is converted to UTF-8, and everything compares equal.
> 
> An explicit conversion of x1 to UTF-8 should fix this, i.e. replace
> 
> x1 <- path.expand(paste0("~/", filename))
> 
> with
> 
> x1 <- enc2utf8(path.expand(paste0("~/", filename)))
> 
> Could you try this and see if it helps?

Nope:

> ## path.expand shouldn't translate to local encoding PR#17120
> filename <- "\U9b3c.R"
> 
> x11 <- path.expand(paste0("~/", filename))
> print(Encoding(x11))
[1] "unknown"
> x12 <- enc2utf8( path.expand(paste0("~/", filename)) )
> print(Encoding(x12))
[1] "unknown"
> x2 <- paste0(path.expand("~/"), filename)
> print(Encoding(x2))
[1] "UTF-8"
> 
> #stopifnot(identical(path.expand(paste0("~/", filename)),
> stopifnot(identical(enc2utf8( path.expand(paste0("~/", filename)) ),
+                   paste0(path.expand("~/"), filename)))
Error: identical(enc2utf8(path.expand(paste0("~/", filename))), paste0(path.expand("~/"),  .... is not TRUE
Execution halted

I forgot to report:

> sessionInfo()
R Under development (unstable) (2017-05-23 r72721)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Debian GNU/Linux 9 (stretch)

Matrix products: default
BLAS: /usr/local/share/R-devel/lib/libRblas.so
LAPACK: /usr/local/share/R-devel/lib/libRlapack.so

locale:
 [1] LC_CTYPE=en_GB.UTF-8       LC_NUMERIC=C              
 [3] LC_TIME=en_GB.UTF-8        LC_COLLATE=en_GB.UTF-8    
 [5] LC_MONETARY=en_GB.UTF-8    LC_MESSAGES=en_GB.UTF-8   
 [7] LC_PAPER=en_GB.UTF-8       LC_NAME=C                 
 [9] LC_ADDRESS=C               LC_TELEPHONE=C            
[11] LC_MEASUREMENT=en_GB.UTF-8 LC_IDENTIFICATION=C       

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
[1] compiler_3.5.0

h.

-- 
+---
| Hiroyuki Kawakatsu
| Business School, Dublin City University
| Dublin 9, Ireland. Tel +353 (0)1 700 7496