inst/unitTests/runit.Module.client.package.R

In jjallaire/Rcpp: Seamless R and C++ Integration

#!/usr/bin/r -t
#       hey emacs, please make this use  -*- tab-width: 4 -*-
#
# Copyright (C) 2010 - 2012	 John Chambers, Dirk Eddelbuettel and Romain Francois
#
# This file is part of Rcpp.
#
# Rcpp is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# Rcpp is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Rcpp.  If not, see <http://www.gnu.org/licenses/>.

.tearDown <- function(){
	gc()
}

## The unit test in this file fails on OS X 10.5.* but pass on 10.6.*
## Sys.info release comes back with 10.* for the latter but 9.* for the former
## Thanks to Simon Urbanek and Baptiste Auguie for suggesting and testing this
.badOSX <- (Sys.info()['sysname'] == "Darwin" &&
            isTRUE(as.integer(gsub("\\..*","",Sys.info()['release'])) < 10L) )

## It now (Dec 2011) appears to fail on Windows too
.onWindows <- .Platform$OS.type == "windows"

.runThisTest <- Sys.getenv("RunAllRcppTests") == "yes"

if (.runThisTest && Rcpp:::capabilities()[["Rcpp modules"]] && ! .badOSX && ! .onWindows) {

    ## ## added test for 'testRcppClass' example of extending C++ classes via R
    test.Class.package <- function( ){

        td <- tempfile()
        cwd <- getwd()
        dir.create( td )
        file.copy( system.file( "unitTests", "testRcppClass", package = "Rcpp" ) , td, recursive = TRUE)
        setwd( td )
        on.exit( { setwd( cwd) ; unlink( td, recursive = TRUE ) } )
        R <- shQuote( file.path( R.home( component = "bin" ), "R" ))
        cmd <- paste( R , "CMD build testRcppClass" )
        system( cmd )
        dir.create( "templib" )
        install.packages( "testRcppClass_0.1.tar.gz", "templib", repos = NULL, type = "source" )
        require( "testRcppClass", "templib", character.only = TRUE )

        v <- stdNumeric$new()
        data <- 1:10
        v$assign(data)
        v$set(3L, v$at(3L) + 1)

        data[[4]] <- data[[4]] +1

        checkEquals( v$as.vector(), data )

        ## a few function calls
        checkEquals( bar(2), 4)
        checkEquals( foo(2,3), 6)

    }


    ## Module test disabled as it is essentially the same (minus the
    ## Rcpp Class bit), and we get dynamic library mixups loading one
    ## after the other

    ## test.Module.package <- function( ){

    ##     td <- tempfile()
    ##     cwd <- getwd()
    ##     dir.create( td )
    ##     file.copy( system.file( "unitTests", "testRcppModule", package = "Rcpp" ) , td, recursive = TRUE)
    ##     setwd( td )
    ##     on.exit( { setwd( cwd) ; unlink( td, recursive = TRUE ) } )
    ##     R <- shQuote( file.path( R.home( component = "bin" ), "R" ))
    ##     cmd <- paste( R , "CMD build testRcppModule" )
    ##     system( cmd )  # quieten this by suppressing output
    ##     dir.create( "templib" )
    ##     install.packages("testRcppModule_0.1.tar.gz", "templib") #, repos = NULL, type = "source" )
    ##     require( "testRcppModule", "templib", character.only = TRUE )

    ##     v <- new(vec)                   # stdVector module
    ##     data <- 1:10
    ##     v$assign(data)
    ##     v[[3]] <- v[[3]] + 1
    ##     data[[4]] <- data[[4]] +1
    ##     checkEquals( v$as.vector(), data )

    ##     y <- new(World)                 # Yada module
    ##     y$set("quick brown fox")        # which y$greet() would
    ##     checkEquals(y$greet(), "quick brown fox")

    ##     checkEquals(bar(2), 4)
    ##     checkEquals(foo(2,3), 6)

    ##     nm <- new(Num)                  # NumEx module
    ##     nm$x <- 3.14
    ##     checkEquals(nm$x, 3.14)

    ##     detach("package:testRcppModule")
    ## }

}