swap_noexcept.pass.cpp [plain text]
#include <unordered_map>
#include <cassert>
#include "../../../MoveOnly.h"
#include "../../../test_allocator.h"
template <class T>
struct some_comp
{
typedef T value_type;
some_comp() {}
some_comp(const some_comp&) {}
};
template <class T>
struct some_hash
{
typedef T value_type;
some_hash() {}
some_hash(const some_hash&);
};
int main()
{
#if __has_feature(cxx_noexcept)
{
typedef std::unordered_multimap<MoveOnly, MoveOnly> C;
C c1, c2;
static_assert(noexcept(swap(c1, c2)), "");
}
{
typedef std::unordered_multimap<MoveOnly, MoveOnly, std::hash<MoveOnly>,
std::equal_to<MoveOnly>, test_allocator<MoveOnly>> C;
C c1, c2;
static_assert(noexcept(swap(c1, c2)), "");
}
{
typedef std::unordered_multimap<MoveOnly, MoveOnly, std::hash<MoveOnly>,
std::equal_to<MoveOnly>, other_allocator<MoveOnly>> C;
C c1, c2;
static_assert(noexcept(swap(c1, c2)), "");
}
{
typedef std::unordered_multimap<MoveOnly, MoveOnly, some_hash<MoveOnly>> C;
C c1, c2;
static_assert(!noexcept(swap(c1, c2)), "");
}
{
typedef std::unordered_multimap<MoveOnly, MoveOnly, std::hash<MoveOnly>,
some_comp<MoveOnly>> C;
C c1, c2;
static_assert(!noexcept(swap(c1, c2)), "");
}
#endif
}