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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
#include <doctest/doctest.h>
#include <toml11/utility.hpp>
TEST_CASE("testing make_unique")
{
const auto v = toml::cxx::make_unique<std::vector<std::string>>(std::size_t(2), "foobar");
CHECK_EQ(v->size(), 2);
CHECK_EQ(v->at(0), "foobar");
CHECK_EQ(v->at(1), "foobar");
}
TEST_CASE("testing try_reserve")
{
{
// since BOOST_TEST is a macro, it cannot handle commas correctly.
// When toml::detail::has_reserve_method<std::array<int, 1>>::value
// is passed to a macro, C preprocessor considers
// toml::detail::has_reserve_method<std::array<int as the first argument
// and 1>>::value as the second argument. We need an alias to avoid
// this problem.
using reservable_type = std::vector<int> ;
using nonreservable_type = std::array<int, 1>;
CHECK_UNARY( toml::detail::has_reserve_method<reservable_type >::value);
CHECK_UNARY(!toml::detail::has_reserve_method<nonreservable_type>::value);
}
{
std::vector<int> v;
toml::detail::try_reserve(v, 100);
CHECK_EQ(v.capacity(), 100u);
}
{
std::array<int, 1> v;
toml::detail::try_reserve(v, 100);
CHECK_EQ(v.size(), 1);
}
}
TEST_CASE("testing from_string")
{
{
const std::string str("123");
REQUIRE_UNARY(toml::detail::from_string<int>(str).is_ok());
CHECK_EQ(toml::detail::from_string<int>(str).unwrap(), 123);
}
{
const std::string str("01");
REQUIRE_UNARY(toml::detail::from_string<int>(str).is_ok());
CHECK_EQ(toml::detail::from_string<int>(str).unwrap(), 1);
}
}
TEST_CASE("testing make_string")
{
const auto s1 = toml::detail::make_string(3, 'a');
CHECK_EQ(s1, "aaa");
const auto s2 = toml::detail::make_string(0, 'a');
CHECK_EQ(s2, "");
const std::string s("bbb");
const auto s3 = toml::detail::make_string(s.begin(), s.end());
CHECK_EQ(s3, "bbb");
const auto s4 = toml::detail::make_string(s.begin(), s.begin());
CHECK_EQ(s4, "");
}
TEST_CASE("testing make_reverse_iterator")
{
const std::vector<int> v{1, 2, 3, 4, 5};
const auto iter = toml::cxx::make_reverse_iterator(v.begin());
CHECK_EQ(iter, v.rend());
}
#if defined(TOML11_HAS_STD_SOURCE_LOCATION) || defined(TOML11_HAS_EXPERIMENTAL_SOURCE_LOCATION) || defined(TOML11_HAS_BUILTIN_FILE_LINE)
TEST_CASE("cxx::source_location")
{
const std::string file = __FILE__;
const auto line = __LINE__; const auto loc = toml::cxx::source_location::current();
CHECK_EQ(file, loc.file_name());
CHECK_EQ(line, loc.line());
}
#endif
TEST_CASE("cxx::optional")
{
{
toml::cxx::optional<int> v(42);
CHECK_UNARY(static_cast<bool>(v));
CHECK_UNARY(v.has_value());
CHECK_EQ(v.value(), 42);
CHECK_EQ(v.value_or(6 * 9), 42);
v.value() = 6 * 9;
CHECK_EQ(v.value(), 54);
}
{
toml::cxx::optional<int> v;
CHECK_UNARY_FALSE(static_cast<bool>(v));
CHECK_UNARY_FALSE(v.has_value());
CHECK_THROWS((void)v.value());
CHECK_EQ(v.value_or(6 * 9), 54);
v = 42;
CHECK_UNARY(static_cast<bool>(v));
CHECK_UNARY(v.has_value());
CHECK_EQ(v.value(), 42);
}
{
toml::cxx::optional<int> v(toml::cxx::make_nullopt());
CHECK_UNARY_FALSE(static_cast<bool>(v));
CHECK_UNARY_FALSE(v.has_value());
CHECK_THROWS((void)v.value());
CHECK_EQ(v.value_or(6 * 9), 54);
v = 42;
CHECK_UNARY(static_cast<bool>(v));
CHECK_UNARY(v.has_value());
CHECK_EQ(v.value(), 42);
}
{
toml::cxx::optional<std::vector<int>> v(std::vector<int>{42});
CHECK_UNARY(static_cast<bool>(v));
CHECK_UNARY(v.has_value());
CHECK_EQ(v.value(), std::vector<int>{42});
CHECK_EQ(v.value_or(std::vector<int>{6 * 9}), std::vector<int>{42});
v.value() = std::vector<int>{6 * 9};
CHECK_EQ(v.value(), std::vector<int>{54});
}
{
toml::cxx::optional<std::vector<int>> v;
CHECK_UNARY_FALSE(static_cast<bool>(v));
CHECK_UNARY_FALSE(v.has_value());
CHECK_THROWS((void)v.value());
CHECK_EQ(v.value_or(std::vector<int>{6 * 9}), std::vector<int>{54});
v = std::vector<int>{42};
CHECK_UNARY(static_cast<bool>(v));
CHECK_UNARY(v.has_value());
CHECK_EQ(v.value(), std::vector<int>{42});
}
{
toml::cxx::optional<std::vector<int>> v(toml::cxx::make_nullopt());
CHECK_UNARY_FALSE(static_cast<bool>(v));
CHECK_UNARY_FALSE(v.has_value());
CHECK_THROWS((void)v.value());
CHECK_EQ(v.value_or(std::vector<int>{6 * 9}), std::vector<int>{54});
v = std::vector<int>{42};
CHECK_UNARY(static_cast<bool>(v));
CHECK_UNARY(v.has_value());
CHECK_EQ(v.value(), std::vector<int>{42});
}
}
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