Eric Fiselier f2f2a6395f Replace __cplusplus comparisons and dialect __has_feature checks with TEST_STD_VER.
This is a huge cleanup that helps make the libc++ test suite more portable.
Patch from STL@microsoft.com. Thanks STL!

llvm-svn: 272716
2016-06-14 21:31:42 +00:00

84 lines
2.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <set>
// class set
// template <class... Args>
// iterator emplace_hint(const_iterator position, Args&&... args);
#include <set>
#include <cassert>
#include "../../Emplaceable.h"
#include "DefaultOnly.h"
#include "min_allocator.h"
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
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);
}
#if TEST_STD_VER >= 11
{
typedef std::set<int, std::less<int>, min_allocator<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
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}