inst/unitTests/runit.client.package.R

In RcppGSL: Rcpp integration for GNU GSL vectors and matrices

#!/usr/bin/r -t
#                        Emacs make this -*- mode: R; tab-width: 4 -*-
#
# Copyright (C) 2010	Romain Francois and Dirk Eddelbuettel
#
# This file is part of RcppGSL.
#
# RcppGSL 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.
#
# RcppGSL 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 RcppGSL.  If not, see <http://www.gnu.org/licenses/>.

test.client.package <- function(){
    pkg <- "RcppGSLExample"
    td <- tempfile()
	cwd <- getwd()
	dir.create( td )
	file.copy( system.file( "examples", pkg, package = "RcppGSL" ) , td, recursive = TRUE)
	Sys.chmod( file.path( td, "RcppGSLExample", "configure"), "0755")
	setwd( td )
	on.exit( {
	    setwd( cwd)
	    unlink( td, recursive = TRUE )
	} )
	R <- shQuote( file.path( R.home( component = "bin" ), "R" ))
	cmd <- paste( R , "CMD build", pkg )
	system( cmd )
	dir.create( "templib" )
	install.packages( paste( pkg, "_0.0.1.tar.gz", sep = "" ), "templib", repos = NULL, type = "source" )
	require( pkg, "templib", character.only = TRUE )
	m <- matrix( 1:16, nc = 4 )
	res <- colNorm( m )
    val <- apply(m, 2, function(x) sqrt(sum(x^2)))
	unlink( "templib", recursive = TRUE )
    checkEquals( res, val, msg = "colNorm in client package" )
}