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R version 2.7.0 Under development (unstable) (2007-09-21 r42937)
Copyright (C) 2007 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
> #### STRICT test suite in the spirit of no-segfaults,
> #### but with explicit statements.
>
> options(error=expression(NULL))
> stop("test of `options(error=expression(NULL))'")
Error: test of `options(error=expression(NULL))'
>
> if(FALSE) {
+ ## these ought to work on machines with enough memory
+ ## These segfaulted in 1.3.x , give "could not allocate" errors now
+ integer(2^30+1)
+ double(2^30+1)
+ complex(2^30+1)
+ character(2^30+1)
+ vector("list", 2^30+2)
+ }
>
> getenv("USER") # should produce correct error message.
Error: 'getenv' is defunct.
Use 'Sys.getenv' instead.
See help("Defunct")
>
> ## bad infinite recursion / on.exit / ... interactions
> bar <- function() 1+1
> foo <- function() { on.exit(bar()); foo() }
> foo() # now simple "infinite recursion"
Error: evaluation nested too deeply: infinite recursion / options(expressions=)?
>
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