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> 15 // tuple(allocator_arg_t, const Alloc& a); 16 17 // UNSUPPORTED: c++98, c++03 18 19 #include <tuple> 20 #include <cassert> 21 22 #include "DefaultOnly.h" 23 #include "allocators.h" 24 #include "../alloc_first.h" 25 #include "../alloc_last.h" 26 27 int main() 28 { 29 { 30 std::tuple<> t(std::allocator_arg, A1<int>()); 31 } 32 { 33 std::tuple<int> t(std::allocator_arg, A1<int>()); 34 assert(std::get<0>(t) == 0); 35 } 36 { 37 std::tuple<DefaultOnly> t(std::allocator_arg, A1<int>()); 38 assert(std::get<0>(t) == DefaultOnly()); 39 } 40 { 41 assert(!alloc_first::allocator_constructed); 42 std::tuple<alloc_first> t(std::allocator_arg, A1<int>(5)); 43 assert(alloc_first::allocator_constructed); 44 assert(std::get<0>(t) == alloc_first()); 45 } 46 { 47 assert(!alloc_last::allocator_constructed); 48 std::tuple<alloc_last> t(std::allocator_arg, A1<int>(5)); 49 assert(alloc_last::allocator_constructed); 50 assert(std::get<0>(t) == alloc_last()); 51 } 52 { 53 alloc_first::allocator_constructed = false; 54 std::tuple<DefaultOnly, alloc_first> t(std::allocator_arg, A1<int>(5)); 55 assert(std::get<0>(t) == DefaultOnly()); 56 assert(alloc_first::allocator_constructed); 57 assert(std::get<1>(t) == alloc_first()); 58 } 59 { 60 alloc_first::allocator_constructed = false; 61 alloc_last::allocator_constructed = false; 62 std::tuple<DefaultOnly, alloc_first, alloc_last> t(std::allocator_arg, 63 A1<int>(5)); 64 assert(std::get<0>(t) == DefaultOnly()); 65 assert(alloc_first::allocator_constructed); 66 assert(std::get<1>(t) == alloc_first()); 67 assert(alloc_last::allocator_constructed); 68 assert(std::get<2>(t) == alloc_last()); 69 } 70 { 71 alloc_first::allocator_constructed = false; 72 alloc_last::allocator_constructed = false; 73 std::tuple<DefaultOnly, alloc_first, alloc_last> t(std::allocator_arg, 74 A2<int>(5)); 75 assert(std::get<0>(t) == DefaultOnly()); 76 assert(!alloc_first::allocator_constructed); 77 assert(std::get<1>(t) == alloc_first()); 78 assert(!alloc_last::allocator_constructed); 79 assert(std::get<2>(t) == alloc_last()); 80 } 81 } 82
