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... UTypes> 15 // tuple(allocator_arg_t, const Alloc& a, tuple<UTypes...>&&); 16 17 // UNSUPPORTED: c++98, c++03 18 19 #include <tuple> 20 #include <string> 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::tuple<int> T0; 47 typedef std::tuple<alloc_first> T1; 48 T0 t0(2); 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 } 54 { 55 typedef std::tuple<std::unique_ptr<D>> T0; 56 typedef std::tuple<std::unique_ptr<B>> T1; 57 T0 t0(std::unique_ptr<D>(new D(3))); 58 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); 59 assert(std::get<0>(t1)->id_ == 3); 60 } 61 { 62 typedef std::tuple<int, std::unique_ptr<D>> T0; 63 typedef std::tuple<alloc_first, std::unique_ptr<B>> T1; 64 T0 t0(2, std::unique_ptr<D>(new D(3))); 65 alloc_first::allocator_constructed = false; 66 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); 67 assert(alloc_first::allocator_constructed); 68 assert(std::get<0>(t1) == 2); 69 assert(std::get<1>(t1)->id_ == 3); 70 } 71 { 72 typedef std::tuple<int, int, std::unique_ptr<D>> T0; 73 typedef std::tuple<alloc_last, alloc_first, std::unique_ptr<B>> T1; 74 T0 t0(1, 2, std::unique_ptr<D>(new D(3))); 75 alloc_first::allocator_constructed = false; 76 alloc_last::allocator_constructed = false; 77 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); 78 assert(alloc_first::allocator_constructed); 79 assert(alloc_last::allocator_constructed); 80 assert(std::get<0>(t1) == 1); 81 assert(std::get<1>(t1) == 2); 82 assert(std::get<2>(t1)->id_ == 3); 83 } 84 } 85
