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 #include <tuple> 18 #include <string> 19 #include <memory> 20 #include <cassert> 21 22 #include "allocators.h" 23 #include "../alloc_first.h" 24 #include "../alloc_last.h" 25 26 struct B 27 { 28 int id_; 29 30 explicit B(int i) : id_(i) {} 31 32 virtual ~B() {} 33 }; 34 35 struct D 36 : B 37 { 38 explicit D(int i) : B(i) {} 39 }; 40 41 int main() 42 { 43 { 44 typedef std::tuple<int> T0; 45 typedef std::tuple<alloc_first> T1; 46 T0 t0(2); 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 } 52 { 53 typedef std::tuple<std::unique_ptr<D>> T0; 54 typedef std::tuple<std::unique_ptr<B>> T1; 55 T0 t0(std::unique_ptr<D>(new D(3))); 56 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); 57 assert(std::get<0>(t1)->id_ == 3); 58 } 59 { 60 typedef std::tuple<int, std::unique_ptr<D>> T0; 61 typedef std::tuple<alloc_first, std::unique_ptr<B>> T1; 62 T0 t0(2, std::unique_ptr<D>(new D(3))); 63 alloc_first::allocator_constructed = false; 64 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); 65 assert(alloc_first::allocator_constructed); 66 assert(std::get<0>(t1) == 2); 67 assert(std::get<1>(t1)->id_ == 3); 68 } 69 { 70 typedef std::tuple<int, int, std::unique_ptr<D>> T0; 71 typedef std::tuple<alloc_last, alloc_first, std::unique_ptr<B>> T1; 72 T0 t0(1, 2, std::unique_ptr<D>(new D(3))); 73 alloc_first::allocator_constructed = false; 74 alloc_last::allocator_constructed = false; 75 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); 76 assert(alloc_first::allocator_constructed); 77 assert(alloc_last::allocator_constructed); 78 assert(std::get<0>(t1) == 1); 79 assert(std::get<1>(t1) == 2); 80 assert(std::get<2>(t1)->id_ == 3); 81 } 82 } 83
