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# Copyright (C) 2013 - 2014 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/>.
.runThisTest <- Sys.getenv("RunAllRcppTests") == "yes"
if (.runThisTest) {
test.exposeClass <- function(){
tempdir <- tempdir()
## foo has already been loaded in test.Rcpp.package.skeleton.R,
## so named differently here to avoid namespace conflicts
pkg_name <- "fooModule"
path <- tempdir
pkg_path <- file.path(path, pkg_name)
R_path <- file.path(pkg_path, "R")
src_path <- file.path(pkg_path, "src")
foo_header <- "
#ifndef foo_h
#define foo_h 1
// class to set/get double
class foo {
public:
double x;
double get_x() {return x;}
void set_x(double _x) {x = _x; return;}
foo(double _x) {set_x(_x);}
};
#endif
"
## create package
Rcpp.package.skeleton(pkg_name, path=path, environment = environment(),
example_code = FALSE, module = TRUE)
on.exit(unlink(pkg_path, recursive=TRUE))
file.remove(list.files(c(src_path, R_path), full.names = TRUE))
cat(foo_header, file = file.path(src_path, "foo.h"))
## check that result of exposeClass compiles and runs properly
exposeClass(class = "fooR",
constructors = list("double"),
fields = "x",
methods = c("get_x", "set_x"),
header = '#include "foo.h"',
CppClass = "foo",
rename = c(y = "x", get_y = "get_x", set_y = "set_x"),
file = file.path(src_path, "fooModule.cpp"),
Rfile = file.path(R_path, "fooClass.R"))
compileAttributes(pkg_path)
invisible(sapply( list.files( file.path(pkg_path, "man"), full.names=TRUE), unlink ))
## check build
owd <- getwd()
setwd(path)
on.exit( setwd(owd), add=TRUE )
R <- shQuote( file.path( R.home( component = "bin" ), "R" ))
system( paste(R, "CMD build", pkg_path) )
gz_name <- paste0(pkg_name, "_1.0.tar.gz")
checkTrue( file.exists(gz_name), "can successfully R CMD build the pkg")
## check install + require
dir.create("templib")
install.packages(gz_name, file.path(path, "templib"), repos=NULL, type="source")
on.exit( unlink( file.path(path, gz_name) ), add=TRUE)
status <- require(pkg_name, file.path(path, "templib"), character.only=TRUE)
on.exit( unlink( file.path(path, "templib"), recursive=TRUE), add=TRUE )
checkTrue(status, "can successfully require the pkg")
## check object creation
bar <- fooR(0)
env <- environment()
checkTrue( exists("bar", envir = env, inherits = FALSE),
"module object successfully instantiated" )
gs <- replicate(n = 10, {
y <- rnorm(1)
bar$set_y(y)
bar$get_y() - y
})
checkTrue( all(gs == 0), "renamed methods function as expected" )
gs <- replicate(n = 10, {
y <- rnorm(1)
bar$set_y(y)
bar$y - y
})
checkTrue( all(gs == 0), "renamed direct field functions as expected" )
}
}
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