91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
|
|
// <set>
|
|
|
|
// class set
|
|
|
|
// template <class... Args>
|
|
// pair<iterator, bool> emplace(Args&&... args);
|
|
|
|
#include <set>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
#include "../../Emplaceable.h"
|
|
#include "DefaultOnly.h"
|
|
#include "min_allocator.h"
|
|
|
|
int main(int, char**)
|
|
{
|
|
{
|
|
typedef std::set<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() == DefaultOnly());
|
|
assert(DefaultOnly::count == 1);
|
|
|
|
r = m.emplace();
|
|
assert(!r.second);
|
|
assert(r.first == m.begin());
|
|
assert(m.size() == 1);
|
|
assert(*m.begin() == DefaultOnly());
|
|
assert(DefaultOnly::count == 1);
|
|
}
|
|
assert(DefaultOnly::count == 0);
|
|
{
|
|
typedef std::set<Emplaceable> M;
|
|
typedef std::pair<M::iterator, bool> R;
|
|
M m;
|
|
R r = m.emplace();
|
|
assert(r.second);
|
|
assert(r.first == m.begin());
|
|
assert(m.size() == 1);
|
|
assert(*m.begin() == Emplaceable());
|
|
r = m.emplace(2, 3.5);
|
|
assert(r.second);
|
|
assert(r.first == std::next(m.begin()));
|
|
assert(m.size() == 2);
|
|
assert(*r.first == Emplaceable(2, 3.5));
|
|
r = m.emplace(2, 3.5);
|
|
assert(!r.second);
|
|
assert(r.first == std::next(m.begin()));
|
|
assert(m.size() == 2);
|
|
assert(*r.first == Emplaceable(2, 3.5));
|
|
}
|
|
{
|
|
typedef std::set<int> M;
|
|
typedef std::pair<M::iterator, bool> R;
|
|
M m;
|
|
R r = m.emplace(M::value_type(2));
|
|
assert(r.second);
|
|
assert(r.first == m.begin());
|
|
assert(m.size() == 1);
|
|
assert(*r.first == 2);
|
|
}
|
|
{
|
|
typedef std::set<int, std::less<int>, min_allocator<int>> M;
|
|
typedef std::pair<M::iterator, bool> R;
|
|
M m;
|
|
R r = m.emplace(M::value_type(2));
|
|
assert(r.second);
|
|
assert(r.first == m.begin());
|
|
assert(m.size() == 1);
|
|
assert(*r.first == 2);
|
|
}
|
|
|
|
return 0;
|
|
}
|