cxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/alloc_move_pair.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

55 lines
1.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <tuple>
// template <class... Types> class tuple;
// template <class Alloc, class U1, class U2>
// tuple(allocator_arg_t, const Alloc& a, pair<U1, U2>&&);
#include <tuple>
#include <utility>
#include <memory>
#include <cassert>
#include "../allocators.h"
#include "../alloc_first.h"
#include "../alloc_last.h"
struct B
{
int id_;
explicit B(int i) : id_(i) {}
virtual ~B() {}
};
struct D
: B
{
explicit D(int i) : B(i) {}
};
int main()
{
{
typedef std::pair<int, std::unique_ptr<D>> T0;
typedef std::tuple<alloc_first, std::unique_ptr<B>> T1;
T0 t0(2, std::unique_ptr<D>(new D(3)));
alloc_first::allocator_constructed = false;
T1 t1(std::allocator_arg, A1<int>(5), std::move(t0));
assert(alloc_first::allocator_constructed);
assert(std::get<0>(t1) == 2);
assert(std::get<1>(t1)->id_ == 3);
}
}