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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <set>
// void swap(set& c)
// noexcept(!allocator_type::propagate_on_container_swap::value ||
// __is_nothrow_swappable<allocator_type>::value);
// This tests a conforming extension
#include <set>
#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&) {}
void deallocate(void*, unsigned) {}
typedef std::true_type propagate_on_container_swap;
};
int main()
{
#if __has_feature(cxx_noexcept)
{
typedef std::set<MoveOnly> C;
C c1, c2;
static_assert(noexcept(swap(c1, c2)), "");
}
{
typedef std::set<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
C c1, c2;
static_assert(noexcept(swap(c1, c2)), "");
}
{
typedef std::set<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
C c1, c2;
static_assert(noexcept(swap(c1, c2)), "");
}
{
typedef std::set<MoveOnly, some_comp<MoveOnly>> C;
C c1, c2;
static_assert(!noexcept(swap(c1, c2)), "");
}
#endif
}
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