cpp11/cpp11test/src/test-list.cpp at master · coolbutuseless/cpp11 · GitHub

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#include <testthat.h>

#include "cpp11/strings.hpp"

#include "cpp11/doubles.hpp"

#include "cpp11/integers.hpp"

#include "cpp11/list.hpp"

#include "cpp11/logicals.hpp"

#include "cpp11/raws.hpp"

context("list-C++") {

test_that("list.push_back()") {

cpp11::writable::list x;

x.push_back(cpp11::writable::doubles({1.}));

x.push_back(cpp11::writable::integers({3, 4, 5}));

x.push_back(cpp11::writable::strings({"foo", "bar"}));

cpp11::writable::logicals lgl;

lgl.push_back(TRUE);

lgl.push_back(FALSE);

lgl.push_back(TRUE);

x.push_back(lgl);

x.push_back(cpp11::writable::raws({'a', 'b', 'c'}));

expect_true(x.size() == 5);

cpp11::doubles first(x[0]);

expect_true(first[0] == 1.);

cpp11::integers second(x[1]);

expect_true(second[0] == 3);

expect_true(second[1] == 4);

expect_true(second[2] == 5);

cpp11::strings third(x[2]);

expect_true(third[0] == "foo");

expect_true(third[1] == "bar");

cpp11::logicals forth(x[3]);

expect_true(forth[0] == TRUE);

expect_true(forth[1] == FALSE);

expect_true(forth[2] == TRUE);

cpp11::raws fifth(x[4]);

expect_true(fifth[0] == 'a');

expect_true(fifth[1] == 'b');

expect_true(fifth[2] == 'c');

}

test_that("attribute setting works") {

cpp11::writable::list x({cpp11::writable::doubles({1, 2, 3}),

cpp11::writable::strings({"x", "y", "z"})});

x.attr("names") = cpp11::writable::strings({"x", "y"});

x.attr("class") = "data.frame";

x.attr("rownames") = cpp11::writable::doubles({-3, NA_REAL});

expect_true(Rf_inherits(x, "data.frame"));

}

// test_that("strings.resize()") {

// cpp11::writable::strings x;

// x.resize(2);

// x[0] = "a";

// x[1] = "b";

// expect_true(x.size() == 2);

// expect_true(x[0] == "a");

// expect_true(x[1] == "b");

//}

// test_that("strings.at()") {

// cpp11::writable::strings x;

// expect_error(x.at(-1));

// expect_error(x.at(0));

// x.push_back("a");

// expect_true(x.at(0) == "a");

// expect_error(x.at(1));

//}

// test_that("strings.pop_back()") {

// cpp11::writable::strings x;

// x.push_back("a");

// x.push_back("b");

// x.pop_back();

// expect_true(x.size() == 1);

// expect_true(x[0] == "a");

// expect_error(x.at(1));

//}

// test_that("strings.insert()") {

// cpp11::writable::strings x;

// x.insert(0, "a");

// x.insert(0, "b");

// x.insert(1, "c");

// expect_true(x.size() == 3);

// expect_true(x[0] == "b");

// expect_true(x[1] == "c");

// expect_true(x[2] == "a");

//}

// test_that("strings.erase()") {

// cpp11::writable::strings x;

// x.push_back("a");

// x.push_back("b");

// x.push_back("c");

// x.push_back("d");

// x.push_back("e");

// expect_true(x.size() == 5);

// x.erase(0);

// expect_true(x.size() == 4);

// expect_true(x[0] == "b");

// expect_true(x[1] == "c");

// expect_true(x[2] == "d");

// expect_true(x[3] == "e");

// x.erase(2);

// expect_true(x.size() == 3);

// expect_true(x[0] == "b");

// expect_true(x[1] == "c");

// expect_true(x[2] == "e");

//}

// test_that("strings.iterator* = ") {

// cpp11::writable::strings x;

// x.push_back("a");

// x.push_back("b");

// x.push_back("c");

// auto it = x.begin() + 1;

//*it = "d";

//++it;

//*it = "e";

// expect_true(x.size() == 3);

// expect_true(x[0] == "a");

// expect_true(x[1] == "d");

// expect_true(x[2] == "e");

//}

// test_that("writable::strings(SEXP)") {

// SEXP x = PROTECT(Rf_allocVector(STRSXP, 5));

// SET_STRING_ELT(x, 0, Rf_mkCharCE("a", CE_UTF8));

// SET_STRING_ELT(x, 1, Rf_mkCharCE("b", CE_UTF8));

// SET_STRING_ELT(x, 2, Rf_mkCharCE("c", CE_UTF8));

// SET_STRING_ELT(x, 3, Rf_mkCharCE("d", CE_UTF8));

// SET_STRING_ELT(x, 4, Rf_mkCharCE("e", CE_UTF8));

// cpp11::writable::strings y(x);

// y[0] = "foo";

// expect_true(x != y.data());

// expect_true(std::string(CHAR(STRING_ELT(x, 0))) == "a");

// expect_true(y[0] == "foo");

// cpp11::writable::strings z(y);

// z[0] = "bar";

// expect_true(z.data() != y.data());

// expect_true(std::string(CHAR(STRING_ELT(x, 0))) == "a");

// expect_true(y[0] == "foo");

// expect_true(z[0] == "bar");

// UNPROTECT(1);

//}

//// test_that("writable::strings(ALTREP_SEXP)") {

//// SEXP x = PROTECT(R_compact_uint8_trange(1, 5));

////// Need to find (or create) an altrep class that implements duplicate.

//// cpp11::writable::strings y(x);

//// y[0] = -1;

//// expect_true(x != y.data());

//// expect_true(raw_ELT(x, 0) == 1);

//// expect_true(y[0] == -1);

//// cpp11::writable::strings z(y);

//// z[0] = -2;

//// expect_true(z.data() != y.data());

//// expect_true(raw_ELT(x, 0) == 1);

//// expect_true(y[0] == -1);

//// expect_true(z[0] == -2);

//// z.push_back(6);

//// expect_true(z[5] == 6);

//// UNPROTECT(1);

////}

//}

cpp11/cpp11test/src/test-list.cpp at master · coolbutuseless/cpp11 · GitHub

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