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test-function.cpp
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43 lines (31 loc) · 1.18 KB
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#include "cpp11/function.hpp"
#include <testthat.h>
context("function-C++") {
test_that("functions can be called") {
auto median = cpp11::package("stats")["median"];
double res = median(cpp11::as_sexp({1., 2., 3., NA_REAL}), true);
expect_true(res == 2.);
double res2 = median(cpp11::as_sexp({1., 2., 3., NA_REAL}), false);
expect_true(ISNAN(res2));
}
test_that("functions can be called with named arguments") {
using namespace cpp11::literals;
auto median = cpp11::package("stats")["median"];
double res = median("x"_nm = {1., 2., 3., NA_REAL}, "na.rm"_nm = true);
expect_true(res == 2.);
double res2 = median(cpp11::as_sexp({1., 2., 3., NA_REAL}), false);
expect_true(ISNAN(res2));
}
test_that("base functions can be called") {
auto file = cpp11::package("base")["file"];
auto isOpen = cpp11::package("base")["isOpen"];
auto close = cpp11::package("base")["close"];
cpp11::sexp con = file("foo");
bool res = isOpen(con);
expect_true(res == false);
close(con);
}
test_that("unknown packages cause an error (#317)") {
expect_error_as(cpp11::package("definitely_not_a_package"), cpp11::unwind_exception);
}
}