cxx/test/containers/associative/set/emplace_hint.pass.cpp
2010-05-11 21:36:01 +00:00

72 lines
1.9 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <set>
// class set
// template <class... Args>
// iterator emplace_hint(const_iterator position, Args&&... args);
#include <set>
#include <cassert>
#include "../../Emplaceable.h"
#include "../../DefaultOnly.h"
int main()
{
#ifdef _LIBCPP_MOVE
{
typedef std::set<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() == DefaultOnly());
assert(DefaultOnly::count == 1);
r = m.emplace_hint(m.cbegin());
assert(r == m.begin());
assert(m.size() == 1);
assert(*m.begin() == DefaultOnly());
assert(DefaultOnly::count == 1);
}
assert(DefaultOnly::count == 0);
{
typedef std::set<Emplaceable> M;
typedef M::iterator R;
M m;
R r = m.emplace_hint(m.cend());
assert(r == m.begin());
assert(m.size() == 1);
assert(*m.begin() == Emplaceable());
r = m.emplace_hint(m.cend(), 2, 3.5);
assert(r == next(m.begin()));
assert(m.size() == 2);
assert(*r == Emplaceable(2, 3.5));
r = m.emplace_hint(m.cbegin(), 2, 3.5);
assert(r == next(m.begin()));
assert(m.size() == 2);
assert(*r == Emplaceable(2, 3.5));
}
{
typedef std::set<int> M;
typedef M::iterator R;
M m;
R r = m.emplace_hint(m.cend(), M::value_type(2));
assert(r == m.begin());
assert(m.size() == 1);
assert(*r == 2);
}
#endif
}