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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 map
// template <class... Args>
// pair<iterator, bool> emplace(Args&&... args);
#include <map>
#include <cassert>
#include <tuple>
#include "../../../Emplaceable.h"
#include "DefaultOnly.h"
#include "min_allocator.h"
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
typedef std::map<int, DefaultOnly> M;
typedef std::pair<M::iterator, bool> R;
M m;
assert(DefaultOnly::count == 0);
R r = m.emplace();
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 0);
assert(m.begin()->second == DefaultOnly());
assert(DefaultOnly::count == 1);
r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple());
assert(r.second);
assert(r.first == 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(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple());
assert(!r.second);
assert(r.first == next(m.begin()));
assert(m.size() == 2);
assert(next(m.begin())->first == 1);
assert(next(m.begin())->second == DefaultOnly());
assert(DefaultOnly::count == 2);
}
assert(DefaultOnly::count == 0);
{
typedef std::map<int, Emplaceable> M;
typedef std::pair<M::iterator, bool> R;
M m;
R r = m.emplace(std::piecewise_construct, std::forward_as_tuple(2),
std::forward_as_tuple());
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 2);
assert(m.begin()->second == Emplaceable());
r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple(2, 3.5));
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 2);
assert(m.begin()->first == 1);
assert(m.begin()->second == Emplaceable(2, 3.5));
r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple(2, 3.5));
assert(!r.second);
assert(r.first == m.begin());
assert(m.size() == 2);
assert(m.begin()->first == 1);
assert(m.begin()->second == Emplaceable(2, 3.5));
}
{
typedef std::map<int, double> M;
typedef std::pair<M::iterator, bool> R;
M m;
R r = m.emplace(M::value_type(2, 3.5));
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 2);
assert(m.begin()->second == 3.5);
}
#if TEST_STD_VER >= 11
{
typedef std::map<int, DefaultOnly, std::less<int>, min_allocator<std::pair<const int, DefaultOnly>>> M;
typedef std::pair<M::iterator, bool> R;
M m;
assert(DefaultOnly::count == 0);
R r = m.emplace();
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 0);
assert(m.begin()->second == DefaultOnly());
assert(DefaultOnly::count == 1);
r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple());
assert(r.second);
assert(r.first == 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(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple());
assert(!r.second);
assert(r.first == next(m.begin()));
assert(m.size() == 2);
assert(next(m.begin())->first == 1);
assert(next(m.begin())->second == DefaultOnly());
assert(DefaultOnly::count == 2);
}
assert(DefaultOnly::count == 0);
{
typedef std::map<int, Emplaceable, std::less<int>, min_allocator<std::pair<const int, Emplaceable>>> M;
typedef std::pair<M::iterator, bool> R;
M m;
R r = m.emplace(std::piecewise_construct, std::forward_as_tuple(2),
std::forward_as_tuple());
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 2);
assert(m.begin()->second == Emplaceable());
r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple(2, 3.5));
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 2);
assert(m.begin()->first == 1);
assert(m.begin()->second == Emplaceable(2, 3.5));
r = m.emplace(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple(2, 3.5));
assert(!r.second);
assert(r.first == m.begin());
assert(m.size() == 2);
assert(m.begin()->first == 1);
assert(m.begin()->second == Emplaceable(2, 3.5));
}
{
typedef std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
typedef std::pair<M::iterator, bool> R;
M m;
R r = m.emplace(M::value_type(2, 3.5));
assert(r.second);
assert(r.first == m.begin());
assert(m.size() == 1);
assert(m.begin()->first == 2);
assert(m.begin()->second == 3.5);
}
#endif
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}
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