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#include <catch2/catch.hpp>
#include <tl/optional.hpp>
// Old versions of GCC don't have the correct trait names. Could fix them up if needs be.
#if (defined(__GNUC__) && __GNUC__ == 4 && __GNUC_MINOR__ <= 9 && \
!defined(__clang__))
// nothing for now
#else
TEST_CASE("Triviality", "[bases.triviality]") {
REQUIRE(std::is_trivially_copy_constructible<tl::optional<int>>::value);
REQUIRE(std::is_trivially_copy_assignable<tl::optional<int>>::value);
REQUIRE(std::is_trivially_move_constructible<tl::optional<int>>::value);
REQUIRE(std::is_trivially_move_assignable<tl::optional<int>>::value);
REQUIRE(std::is_trivially_destructible<tl::optional<int>>::value);
{
struct T {
T(const T&) = default;
T(T&&) = default;
T& operator=(const T&) = default;
T& operator=(T&&) = default;
~T() = default;
};
REQUIRE(std::is_trivially_copy_constructible<tl::optional<T>>::value);
REQUIRE(std::is_trivially_copy_assignable<tl::optional<T>>::value);
REQUIRE(std::is_trivially_move_constructible<tl::optional<T>>::value);
REQUIRE(std::is_trivially_move_assignable<tl::optional<T>>::value);
REQUIRE(std::is_trivially_destructible<tl::optional<T>>::value);
}
{
struct T {
T(const T&){}
T(T&&) {};
T& operator=(const T&) { return *this; }
T& operator=(T&&) { return *this; };
~T(){}
};
REQUIRE(!std::is_trivially_copy_constructible<tl::optional<T>>::value);
REQUIRE(!std::is_trivially_copy_assignable<tl::optional<T>>::value);
REQUIRE(!std::is_trivially_move_constructible<tl::optional<T>>::value);
REQUIRE(!std::is_trivially_move_assignable<tl::optional<T>>::value);
REQUIRE(!std::is_trivially_destructible<tl::optional<T>>::value);
}
}
TEST_CASE("Deletion", "[bases.deletion]") {
REQUIRE(std::is_copy_constructible<tl::optional<int>>::value);
REQUIRE(std::is_copy_assignable<tl::optional<int>>::value);
REQUIRE(std::is_move_constructible<tl::optional<int>>::value);
REQUIRE(std::is_move_assignable<tl::optional<int>>::value);
REQUIRE(std::is_destructible<tl::optional<int>>::value);
{
struct T {
T(const T&) = default;
T(T&&) = default;
T& operator=(const T&) = default;
T& operator=(T&&) = default;
~T() = default;
};
REQUIRE(std::is_copy_constructible<tl::optional<T>>::value);
REQUIRE(std::is_copy_assignable<tl::optional<T>>::value);
REQUIRE(std::is_move_constructible<tl::optional<T>>::value);
REQUIRE(std::is_move_assignable<tl::optional<T>>::value);
REQUIRE(std::is_destructible<tl::optional<T>>::value);
}
{
struct T {
T(const T&)=delete;
T(T&&)=delete;
T& operator=(const T&)=delete;
T& operator=(T&&)=delete;
};
REQUIRE(!std::is_copy_constructible<tl::optional<T>>::value);
REQUIRE(!std::is_copy_assignable<tl::optional<T>>::value);
REQUIRE(!std::is_move_constructible<tl::optional<T>>::value);
REQUIRE(!std::is_move_assignable<tl::optional<T>>::value);
}
{
struct T {
T(const T&)=delete;
T(T&&)=default;
T& operator=(const T&)=delete;
T& operator=(T&&)=default;
};
REQUIRE(!std::is_copy_constructible<tl::optional<T>>::value);
REQUIRE(!std::is_copy_assignable<tl::optional<T>>::value);
REQUIRE(std::is_move_constructible<tl::optional<T>>::value);
REQUIRE(std::is_move_assignable<tl::optional<T>>::value);
}
{
struct T {
T(const T&)=default;
T(T&&)=delete;
T& operator=(const T&)=default;
T& operator=(T&&)=delete;
};
REQUIRE(std::is_copy_constructible<tl::optional<T>>::value);
REQUIRE(std::is_copy_assignable<tl::optional<T>>::value);
}
}
#endif
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