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