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 28 struct B 29 { 30 int id_; 31 32 explicit B(int i) : id_(i) {} 33 34 virtual ~B() {} 35 }; 36 37 struct D 38 : B 39 { 40 explicit D(int i) : B(i) {} 41 }; 42 43 int 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
