alloc_move_pair.pass.cpp revision c52f43e72dfcea03037729649da84c23b3beb04a
1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. 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#include <tuple> 18#include <utility> 19#include <memory> 20#include <cassert> 21 22#include "../allocators.h" 23#include "../alloc_first.h" 24#include "../alloc_last.h" 25 26struct B 27{ 28 int id_; 29 30 explicit B(int i) : id_(i) {} 31 32 virtual ~B() {} 33}; 34 35struct D 36 : B 37{ 38 explicit D(int i) : B(i) {} 39}; 40 41int main() 42{ 43 { 44 typedef std::pair<int, std::unique_ptr<D>> T0; 45 typedef std::tuple<alloc_first, std::unique_ptr<B>> T1; 46 T0 t0(2, std::unique_ptr<D>(new D(3))); 47 alloc_first::allocator_constructed = false; 48 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); 49 assert(alloc_first::allocator_constructed); 50 assert(std::get<0>(t1) == 2); 51 assert(std::get<1>(t1)->id_ == 3); 52 } 53} 54