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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.
//
//===----------------------------------------------------------------------===//
// <map>
// class multimap
// template <class... Args>
// iterator emplace_hint(const_iterator position, Args&&... args);
#include <map>
#include <cassert>
#include "../../../Emplaceable.h"
#include "../../../DefaultOnly.h"
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
typedef std::multimap<int, DefaultOnly> M;
typedef M::iterator R;
M m;
assert(DefaultOnly::count == 0);
R r = m.emplace_hint(m.cend());
assert(r == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 0);
assert(m.begin()->second == DefaultOnly());
assert(DefaultOnly::count == 1);
r = m.emplace_hint(m.cend(), 1);
assert(r == next(m.begin()));
assert(m.size() == 2);
assert(next(m.begin())->first == 1);
assert(next(m.begin())->second == DefaultOnly());
assert(DefaultOnly::count == 2);
r = m.emplace_hint(m.cend(), 1);
assert(r == next(m.begin(), 2));
assert(m.size() == 3);
assert(next(m.begin(), 2)->first == 1);
assert(next(m.begin(), 2)->second == DefaultOnly());
assert(DefaultOnly::count == 3);
}
assert(DefaultOnly::count == 0);
{
typedef std::multimap<int, Emplaceable> M;
typedef M::iterator R;
M m;
R r = m.emplace_hint(m.cend(), 2);
assert(r == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 2);
assert(m.begin()->second == Emplaceable());
r = m.emplace_hint(m.cbegin(), std::piecewise_construct,
std::forward_as_tuple(1),
std::forward_as_tuple(2, 3.5));
assert(r == m.begin());
assert(m.size() == 2);
assert(m.begin()->first == 1);
assert(m.begin()->second == Emplaceable(2, 3.5));
r = m.emplace_hint(m.cbegin(), std::piecewise_construct,
std::forward_as_tuple(1),
std::forward_as_tuple(3, 3.5));
assert(r == m.begin());
assert(m.size() == 3);
assert(r->first == 1);
assert(r->second == Emplaceable(3, 3.5));
}
{
typedef std::multimap<int, double> M;
typedef M::iterator R;
M m;
R r = m.emplace_hint(m.cend(), M::value_type(2, 3.5));
assert(r == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 2);
assert(m.begin()->second == 3.5);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}
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