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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <map>
// class multimap
// template <class... Args>
// iterator emplace(Args&&... args);
#include <map>
#include <cassert>
#include "test_macros.h"
#include "../../../Emplaceable.h"
#include "DefaultOnly.h"
#include "min_allocator.h"
int main(int, char**)
{
{
typedef std::multimap<int, DefaultOnly> M;
typedef M::iterator R;
M m;
assert(DefaultOnly::count == 0);
R r = m.emplace();
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(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple());
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(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple());
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(std::piecewise_construct, std::forward_as_tuple(2),
std::forward_as_tuple());
assert(r == 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 == 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(3, 3.5));
assert(r == next(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(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);
}
{
typedef std::multimap<int, DefaultOnly, std::less<int>, min_allocator<std::pair<const int, DefaultOnly>>> M;
typedef M::iterator R;
M m;
assert(DefaultOnly::count == 0);
R r = m.emplace();
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(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple());
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(std::piecewise_construct, std::forward_as_tuple(1),
std::forward_as_tuple());
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, std::less<int>, min_allocator<std::pair<const int, Emplaceable>>> M;
typedef M::iterator R;
M m;
R r = m.emplace(std::piecewise_construct, std::forward_as_tuple(2),
std::forward_as_tuple());
assert(r == 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 == 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(3, 3.5));
assert(r == next(m.begin()));
assert(m.size() == 3);
assert(r->first == 1);
assert(r->second == Emplaceable(3, 3.5));
}
{
typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
typedef M::iterator R;
M m;
R r = m.emplace(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);
}
return 0;
}
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