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## Copyright (C) 2021 Iñaki Ucar | ||
## | ||
## 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/>. | ||
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.runThisTest <- Sys.getenv("RunAllRcppTests") == "yes" && Sys.getenv("RunVerboseRcppTests") == "yes" | ||
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if (! .runThisTest) exit_file("Set 'RunVerboseRcppTests' and 'RunAllRcppTests' to 'yes' to run.") | ||
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library(Rcpp) | ||
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mkv <- "PKG_CPPFLAGS = -DRCPP_USE_GLOBAL_ROSTREAM" | ||
cfg <- " | ||
#ifndef RCPP_USE_GLOBAL_ROSTREAM | ||
#define RCPP_USE_GLOBAL_ROSTREAM | ||
#endif | ||
#include <Rcpp.h> | ||
using namespace Rcpp;" | ||
ptr <- " | ||
// [[Rcpp::export]] | ||
CharacterVector ptr%s() { | ||
CharacterVector out(2); | ||
std::ostringstream Rcout_address, Rcerr_address; | ||
Rcout_address << (void const *)(&Rcout); | ||
Rcerr_address << (void const *)(&Rcerr); | ||
out[0] = Rcout_address.str(); | ||
out[1] = Rcerr_address.str(); | ||
return out; | ||
}" | ||
alig <- " | ||
// [[Rcpp::export]] | ||
void toLeft() { | ||
Rcout << std::left; | ||
Rcerr << std::left; | ||
} | ||
// [[Rcpp::export]] | ||
void toRight() { | ||
Rcout << std::right; | ||
Rcerr << std::right; | ||
}" | ||
print <- ' | ||
// [[Rcpp::export]] | ||
void something() { | ||
Rcout << std::setw(20) << "somethingRcout" << std::endl; | ||
Rcerr << std::setw(20) << "somethingRcerr" << std::endl; | ||
}' | ||
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# create package and write functions into separate translation units | ||
pkg_name <- "fooRostream" | ||
path <- tempdir() | ||
pkg_path <- file.path(path, pkg_name) | ||
src_path <- file.path(pkg_path, "src") | ||
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if (dir.exists(pkg_path)) unlink(pkg_path) | ||
Rcpp.package.skeleton( | ||
pkg_name, path=path, environment=environment(), example_code=FALSE) | ||
writeLines(c(cfg, sprintf(ptr, "A")), file.path(src_path, "ptrA.cpp")) | ||
writeLines(c(cfg, sprintf(ptr, "B")), file.path(src_path, "ptrB.cpp")) | ||
writeLines(c(cfg, alig), file.path(src_path, "alig.cpp")) | ||
writeLines(c(cfg, print), file.path(src_path, "print.cpp")) | ||
writeLines(mkv, file.path(src_path, "Makevars")) | ||
compileAttributes(pkg_path) | ||
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# tests | ||
testRostream <- function() { | ||
captureFun <- function(...) { | ||
err <- capture.output( | ||
out <- capture.output(..., type="output"), type="message") | ||
c(out, err) | ||
} | ||
res <- all(ptrA() == ptrB()) | ||
res <- c(res, all(grepl("^ ", captureFun(something())))) | ||
toLeft() # change alignment globally | ||
res <- c(res, all(grepl("^s", captureFun(something())))) | ||
toRight() # restore | ||
res | ||
} | ||
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# test package | ||
lib_path <- file.path(path, "templib") | ||
dir.create(lib_path) | ||
install.packages(pkg_path, lib_path, repos=NULL, type="source") | ||
expect_true(require("fooRostream", lib.loc=lib_path, character.only=TRUE)) | ||
expect_true(all(testRostream())) | ||
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# test sourceCpp | ||
sourceCpp(file.path(src_path, "ptrA.cpp")) | ||
sourceCpp(file.path(src_path, "ptrB.cpp")) | ||
sourceCpp(file.path(src_path, "alig.cpp")) | ||
sourceCpp(file.path(src_path, "print.cpp")) | ||
expect_true(all(testRostream())) | ||
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# cleanup | ||
on.exit(unlink(pkg_path, recursive=TRUE), add=TRUE) | ||
on.exit(unlink(lib_path, recursive=TRUE), add=TRUE) |