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479 lines (361 loc) · 12.5 KB
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#include <deque>
#include <string>
#include <vector>
#include "cpp11/R.hpp"
#include "cpp11/declarations.hpp"
#include <testthat.h>
#include "Rcpp.h"
context("as_cpp-C++") {
test_that("as_cpp<integer>(INTSEXP)") {
SEXP r = PROTECT(Rf_allocVector(INTSXP, 1));
INTEGER(r)[0] = 42;
auto x1 = cpp11::as_cpp<int>(r);
expect_true(x1 == 42);
auto x2 = cpp11::as_cpp<long>(r);
expect_true(x2 == 42L);
auto x3 = cpp11::as_cpp<long long int>(r);
expect_true(x3 == 42LL);
auto x4 = cpp11::as_cpp<unsigned>(r);
expect_true(x4 == 42U);
auto x5 = cpp11::as_cpp<unsigned long>(r);
expect_true(x5 == 42UL);
UNPROTECT(1);
}
test_that("as_cpp<integer>(REALSEXP)") {
SEXP r = PROTECT(Rf_allocVector(REALSXP, 1));
REAL(r)[0] = 42;
auto x1 = cpp11::as_cpp<int>(r);
expect_true(x1 == 42);
auto x2 = cpp11::as_cpp<long>(r);
expect_true(x2 == 42L);
auto x3 = cpp11::as_cpp<long long int>(r);
expect_true(x3 == 42LL);
auto x4 = cpp11::as_cpp<unsigned>(r);
expect_true(x4 == 42U);
auto x5 = cpp11::as_cpp<unsigned long>(r);
expect_true(x5 == 42UL);
/* throws a runtime exception if the value is not a integerish one */
REAL(r)[0] = 42.5;
expect_error(cpp11::as_cpp<int>(r));
UNPROTECT(1);
}
test_that("as_cpp<integer>(NA)") {
SEXP r = PROTECT(Rf_allocVector(REALSXP, 1));
SEXP i = PROTECT(Rf_allocVector(INTSXP, 1));
SEXP l = PROTECT(Rf_allocVector(LGLSXP, 1));
REAL(r)[0] = NA_REAL;
INTEGER(i)[0] = NA_INTEGER;
LOGICAL(l)[0] = NA_LOGICAL;
auto x1 = cpp11::as_cpp<int>(r);
expect_true(x1 == NA_INTEGER);
auto x2 = cpp11::as_cpp<int>(i);
expect_true(x2 == NA_INTEGER);
auto x3 = cpp11::as_cpp<int>(l);
expect_true(x3 == NA_INTEGER);
UNPROTECT(3);
}
test_that("as_cpp<enum>(INTSEXP)") {
enum Response { YES, NO, MAYBE };
SEXP r = PROTECT(Rf_allocVector(INTSXP, 1));
for (Response e : {YES, NO, MAYBE, static_cast<Response>(42)}) {
INTEGER(r)[0] = static_cast<int>(e);
auto x = cpp11::as_cpp<Response>(r);
expect_true(x == e);
}
UNPROTECT(1);
}
test_that("as_cpp<enum:char>(INTSEXP)") {
enum class Response : char { YES, NO, MAYBE };
SEXP r = PROTECT(Rf_allocVector(INTSXP, 1));
for (Response e :
{Response::YES, Response::NO, Response::MAYBE, static_cast<Response>(42)}) {
INTEGER(r)[0] = static_cast<int>(e);
auto x = cpp11::as_cpp<Response>(r);
expect_true(x == e);
}
UNPROTECT(1);
}
test_that("as_cpp<double>(REALSXP)") {
SEXP r = PROTECT(Rf_allocVector(REALSXP, 1));
REAL(r)[0] = 1.2;
auto x1 = cpp11::as_cpp<float>(r);
expect_true(x1 == 1.2f);
auto x2 = cpp11::as_cpp<double>(r);
expect_true(x2 == 1.2);
auto x3 = cpp11::as_cpp<long double>(r);
expect_true(x3 == 1.2);
UNPROTECT(1);
}
test_that("as_cpp<double>(INTSXP)") {
SEXP r = PROTECT(Rf_allocVector(INTSXP, 1));
INTEGER(r)[0] = 1;
auto x1 = cpp11::as_cpp<float>(r);
expect_true(x1 == 1.f);
auto x2 = cpp11::as_cpp<double>(r);
expect_true(x2 == 1.);
auto x3 = cpp11::as_cpp<long double>(r);
expect_true(x3 == 1.);
UNPROTECT(1);
}
test_that("as_cpp<double>(NA)") {
SEXP r = PROTECT(Rf_allocVector(REALSXP, 1));
SEXP i = PROTECT(Rf_allocVector(INTSXP, 1));
SEXP l = PROTECT(Rf_allocVector(LGLSXP, 1));
REAL(r)[0] = NA_REAL;
INTEGER(i)[0] = NA_INTEGER;
LOGICAL(l)[0] = NA_LOGICAL;
auto x1 = cpp11::as_cpp<double>(r);
expect_true(ISNA(x1));
auto x2 = cpp11::as_cpp<double>(i);
expect_true(ISNA(x2));
auto x3 = cpp11::as_cpp<double>(l);
expect_true(ISNA(x3));
UNPROTECT(3);
}
test_that("as_cpp<bool>()") {
SEXP r = PROTECT(Rf_allocVector(LGLSXP, 1));
LOGICAL(r)[0] = TRUE;
auto x1 = cpp11::as_cpp<bool>(r);
expect_true(x1);
LOGICAL(r)[0] = FALSE;
auto x2 = cpp11::as_cpp<bool>(r);
expect_true(!x2);
UNPROTECT(1);
}
test_that("as_cpp<char>()") {
SEXP r = PROTECT(Rf_allocVector(STRSXP, 1));
SET_STRING_ELT(r, 0, Rf_mkChar("foo"));
auto x1 = cpp11::as_cpp<char>(r);
expect_true(x1 == 'f');
UNPROTECT(1);
}
test_that("as_cpp<const char*>()") {
SEXP r = PROTECT(Rf_allocVector(STRSXP, 1));
SET_STRING_ELT(r, 0, Rf_mkChar("foo"));
auto x1 = cpp11::as_cpp<const char*>(r);
expect_true(strcmp(x1, "foo") == 0);
UNPROTECT(1);
}
test_that("as_cpp<std::string>()") {
SEXP r = PROTECT(Rf_allocVector(STRSXP, 1));
SET_STRING_ELT(r, 0, Rf_mkChar("foo"));
auto x1 = cpp11::as_cpp<std::string>(r);
expect_true(x1 == "foo");
UNPROTECT(1);
}
test_that("as_cpp<std::vector<int>>()") {
SEXP r = PROTECT(Rf_allocVector(INTSXP, 3));
INTEGER(r)[0] = 1;
INTEGER(r)[1] = 2;
INTEGER(r)[2] = 3;
auto x1 = cpp11::as_cpp<std::vector<int>>(r);
expect_true(x1[0] == 1);
expect_true(x1[1] == 2);
expect_true(x1[2] == 3);
UNPROTECT(1);
}
test_that("as_cpp<std::vector<std::string>>()") {
SEXP r = PROTECT(Rf_allocVector(STRSXP, 3));
SET_STRING_ELT(r, 0, Rf_mkChar("foo"));
SET_STRING_ELT(r, 1, Rf_mkChar("bar"));
SET_STRING_ELT(r, 2, Rf_mkChar("baz"));
auto x1 = cpp11::as_cpp<std::vector<std::string>>(r);
expect_true(x1[0] == "foo");
expect_true(x1[1] == "bar");
expect_true(x1[2] == "baz");
UNPROTECT(1);
}
test_that("as_cpp<std::deque<string>>()") {
SEXP r = PROTECT(Rf_allocVector(STRSXP, 3));
SET_STRING_ELT(r, 0, Rf_mkChar("foo"));
SET_STRING_ELT(r, 1, Rf_mkChar("bar"));
SET_STRING_ELT(r, 2, Rf_mkChar("baz"));
auto x1 = cpp11::as_cpp<std::deque<std::string>>(r);
expect_true(x1[0] == "foo");
expect_true(x1[1] == "bar");
expect_true(x1[2] == "baz");
UNPROTECT(1);
}
test_that("as_cpp<doubles>()") {
SEXP r = PROTECT(Rf_allocVector(REALSXP, 3));
REAL(r)[0] = 1.;
REAL(r)[1] = 2.;
REAL(r)[2] = 3.;
auto x1 = cpp11::as_cpp<cpp11::doubles>(r);
expect_true(x1[0] == 1.);
expect_true(x1[1] == 2.);
expect_true(x1[2] == 3.);
UNPROTECT(1);
}
test_that("as_cpp<Rcpp::List>()") {
SEXP l1 = PROTECT(Rf_allocVector(VECSXP, 3));
SET_VECTOR_ELT(l1, 0, Rf_allocVector(VECSXP, 1));
SET_VECTOR_ELT(VECTOR_ELT(l1, 0), 0, Rf_mkString("foo"));
auto res1 = cpp11::as_cpp<Rcpp::List>(l1);
auto res2 = Rcpp::List(l1);
expect_true(Rf_length(res1) == Rf_length(res2));
SEXP res3 = cpp11::as_sexp(res2);
expect_true(Rf_length(res3) == Rf_length(res2));
UNPROTECT(1);
}
test_that("as_sexp(integer)") {
SEXP i1 = PROTECT(cpp11::as_sexp(42));
SEXP i2 = PROTECT(cpp11::as_sexp(42L));
SEXP i3 = PROTECT(cpp11::as_sexp(42LL));
SEXP i4 = PROTECT(cpp11::as_sexp(42U));
SEXP i5 = PROTECT(cpp11::as_sexp(42UL));
SEXP i6 = PROTECT(cpp11::as_sexp(NA_INTEGER));
expect_true(Rf_isInteger(i1));
expect_true(Rf_xlength(i1) == 1);
expect_true(INTEGER(i1)[0] == 42);
expect_true(Rf_isInteger(i2));
expect_true(Rf_xlength(i2) == 1);
expect_true(INTEGER(i2)[0] == 42);
expect_true(Rf_isInteger(i3));
expect_true(Rf_xlength(i3) == 1);
expect_true(INTEGER(i3)[0] == 42);
expect_true(Rf_isInteger(i4));
expect_true(Rf_xlength(i4) == 1);
expect_true(INTEGER(i4)[0] == 42);
expect_true(Rf_isInteger(i5));
expect_true(Rf_xlength(i5) == 1);
expect_true(INTEGER(i5)[0] == 42);
expect_true(Rf_isInteger(i6));
expect_true(Rf_xlength(i6) == 1);
expect_true(INTEGER(i6)[0] == NA_INTEGER);
UNPROTECT(6);
}
test_that("as_sexp(floating_point)") {
SEXP f1 = PROTECT(cpp11::as_sexp(1.2f));
SEXP f2 = PROTECT(cpp11::as_sexp(1.2));
SEXP f3 = PROTECT(cpp11::as_sexp(1.2l));
SEXP f4 = PROTECT(cpp11::as_sexp(NA_REAL));
expect_true(Rf_isReal(f1));
expect_true(Rf_xlength(f1) == 1);
expect_true(REAL(f1)[0] == 1.2f);
expect_true(Rf_isReal(f2));
expect_true(Rf_xlength(f2) == 1);
expect_true(REAL(f2)[0] == 1.2);
expect_true(Rf_isReal(f3));
expect_true(Rf_xlength(f3) == 1);
expect_true(REAL(f3)[0] == 1.2);
expect_true(Rf_isReal(f4));
expect_true(Rf_xlength(f4) == 1);
expect_true(ISNA(REAL(f4)[0]));
UNPROTECT(4);
}
test_that("as_sexp(bool)") {
SEXP l1 = PROTECT(cpp11::as_sexp(true));
SEXP l2 = PROTECT(cpp11::as_sexp(false));
expect_true(Rf_isLogical(l1));
expect_true(Rf_xlength(l1) == 1);
expect_true(LOGICAL(l1)[0] == TRUE);
expect_true(Rf_isLogical(l2));
expect_true(Rf_xlength(l2) == 1);
expect_true(LOGICAL(l2)[0] == FALSE);
UNPROTECT(2);
}
test_that("as_sexp(r_bool)") {
SEXP l1 = PROTECT(cpp11::as_sexp(cpp11::r_bool(true)));
SEXP l2 = PROTECT(cpp11::as_sexp(cpp11::r_bool(false)));
SEXP l3 = PROTECT(cpp11::as_sexp(cpp11::r_bool()));
expect_true(Rf_isLogical(l1));
expect_true(Rf_xlength(l1) == 1);
expect_true(LOGICAL(l1)[0] == TRUE);
expect_true(Rf_isLogical(l2));
expect_true(Rf_xlength(l2) == 1);
expect_true(LOGICAL(l2)[0] == FALSE);
expect_true(Rf_isLogical(l3));
expect_true(Rf_xlength(l3) == 1);
expect_true(LOGICAL(l3)[0] == NA_LOGICAL);
UNPROTECT(3);
}
test_that("as_sexp(raws)") {
cpp11::writable::raws x;
x.push_back(0);
x.push_back(1);
x.push_back(2);
auto res1 = cpp11::as_sexp(x);
expect_true(cpp11::detail::r_typeof(res1) == RAWSXP);
expect_true(RAW(res1)[0] == 0);
expect_true(RAW(res1)[1] == 1);
expect_true(RAW(res1)[2] == 2);
cpp11::raws y(x);
auto res2 = cpp11::as_sexp(y);
expect_true(cpp11::detail::r_typeof(res2) == RAWSXP);
expect_true(RAW(res2)[0] == 0);
expect_true(RAW(res2)[1] == 1);
expect_true(RAW(res2)[2] == 2);
}
test_that("as_sexp(stringish)") {
SEXP s1 = PROTECT(cpp11::as_sexp("foo"));
SEXP s2 = PROTECT(cpp11::as_sexp(std::string("foo")));
SEXP s3 = PROTECT(cpp11::as_sexp(cpp11::r_string("foo")));
expect_true(Rf_isString(s1));
expect_true(Rf_xlength(s1) == 1);
expect_true(strcmp(CHAR(STRING_ELT(s1, 0)), "foo") == 0);
expect_true(Rf_isString(s2));
expect_true(Rf_xlength(s2) == 1);
expect_true(strcmp(CHAR(STRING_ELT(s2, 0)), "foo") == 0);
expect_true(Rf_isString(s3));
expect_true(Rf_xlength(s3) == 1);
expect_true(strcmp(CHAR(STRING_ELT(s3, 0)), "foo") == 0);
UNPROTECT(3);
}
test_that("as_sexp(r_vector<int>)") {
SEXP i1 = PROTECT(cpp11::as_sexp(std::vector<int>({1, 2, 3})));
expect_true(Rf_isInteger(i1));
expect_true(Rf_xlength(i1) == 3);
expect_true(INTEGER(i1)[0] == 1);
expect_true(INTEGER(i1)[1] == 2);
expect_true(INTEGER(i1)[2] == 3);
UNPROTECT(1);
}
test_that("as_sexp(r_vector<floating_point>)") {
SEXP r1 = PROTECT(cpp11::as_sexp(std::vector<double>({0.1, 0.2, 0.3})));
expect_true(Rf_isReal(r1));
expect_true(Rf_xlength(r1) == 3);
expect_true(REAL(r1)[0] == 0.1);
expect_true(REAL(r1)[1] == 0.2);
expect_true(REAL(r1)[2] == 0.3);
UNPROTECT(1);
}
test_that("as_sexp(r_vector<floating_point>)") {
SEXP l1 = PROTECT(cpp11::as_sexp(std::vector<bool>({true, false, true})));
expect_true(Rf_isLogical(l1));
expect_true(Rf_xlength(l1) == 3);
expect_true(LOGICAL(l1)[0] == true);
expect_true(LOGICAL(l1)[1] == false);
expect_true(LOGICAL(l1)[2] == true);
UNPROTECT(1);
}
test_that("as_sexp(r_vector<std::string>)") {
SEXP s1 = PROTECT(cpp11::as_sexp(std::vector<std::string>({"foo", "bar", "baz"})));
expect_true(Rf_isString(s1));
expect_true(Rf_xlength(s1) == 3);
expect_true(strcmp(CHAR(STRING_ELT(s1, 0)), "foo") == 0);
expect_true(strcmp(CHAR(STRING_ELT(s1, 1)), "bar") == 0);
expect_true(strcmp(CHAR(STRING_ELT(s1, 2)), "baz") == 0);
UNPROTECT(1);
}
test_that("as_sexp(cpp11::strings)") {
cpp11::writable::strings s({"foo", "bar", "baz"});
cpp11::strings s0(s);
SEXP s1 = PROTECT(cpp11::as_sexp(s0));
expect_true(Rf_isString(s1));
expect_true(Rf_xlength(s1) == 3);
expect_true(strcmp(CHAR(STRING_ELT(s1, 0)), "foo") == 0);
expect_true(strcmp(CHAR(STRING_ELT(s1, 1)), "bar") == 0);
expect_true(strcmp(CHAR(STRING_ELT(s1, 2)), "baz") == 0);
UNPROTECT(1);
}
test_that("as_sexp(initializer_list<const char*>)") {
SEXP s1 = PROTECT(cpp11::as_sexp({"foo", "bar", "baz"}));
expect_true(Rf_isString(s1));
expect_true(Rf_xlength(s1) == 3);
expect_true(strcmp(CHAR(STRING_ELT(s1, 0)), "foo") == 0);
expect_true(strcmp(CHAR(STRING_ELT(s1, 1)), "bar") == 0);
expect_true(strcmp(CHAR(STRING_ELT(s1, 2)), "baz") == 0);
UNPROTECT(1);
}
}