1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <tuple> 11 12// template <class... Types> class tuple; 13 14// template <class Alloc, class U1, class U2> 15// tuple(allocator_arg_t, const Alloc& a, pair<U1, U2>&&); 16 17// UNSUPPORTED: c++98, c++03 18 19#include <tuple> 20#include <utility> 21#include <memory> 22#include <cassert> 23 24#include "allocators.h" 25#include "../alloc_first.h" 26#include "../alloc_last.h" 27 28struct B 29{ 30 int id_; 31 32 explicit B(int i) : id_(i) {} 33 34 virtual ~B() {} 35}; 36 37struct D 38 : B 39{ 40 explicit D(int i) : B(i) {} 41}; 42 43int main() 44{ 45 { 46 typedef std::pair<int, std::unique_ptr<D>> T0; 47 typedef std::tuple<alloc_first, std::unique_ptr<B>> T1; 48 T0 t0(2, std::unique_ptr<D>(new D(3))); 49 alloc_first::allocator_constructed = false; 50 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); 51 assert(alloc_first::allocator_constructed); 52 assert(std::get<0>(t1) == 2); 53 assert(std::get<1>(t1)->id_ == 3); 54 } 55} 56