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, const Types&...); 16 17 #include <tuple> 18 #include <cassert> 19 20 #include "allocators.h" 21 #include "../alloc_first.h" 22 #include "../alloc_last.h" 23 24 int main() 25 { 26 { 27 std::tuple<int> t(std::allocator_arg, A1<int>(), 3); 28 assert(std::get<0>(t) == 3); 29 } 30 { 31 assert(!alloc_first::allocator_constructed); 32 std::tuple<alloc_first> t(std::allocator_arg, A1<int>(5), alloc_first(3)); 33 assert(alloc_first::allocator_constructed); 34 assert(std::get<0>(t) == alloc_first(3)); 35 } 36 { 37 assert(!alloc_last::allocator_constructed); 38 std::tuple<alloc_last> t(std::allocator_arg, A1<int>(5), alloc_last(3)); 39 assert(alloc_last::allocator_constructed); 40 assert(std::get<0>(t) == alloc_last(3)); 41 } 42 { 43 alloc_first::allocator_constructed = false; 44 std::tuple<int, alloc_first> t(std::allocator_arg, A1<int>(5), 45 10, alloc_first(15)); 46 assert(std::get<0>(t) == 10); 47 assert(alloc_first::allocator_constructed); 48 assert(std::get<1>(t) == alloc_first(15)); 49 } 50 { 51 alloc_first::allocator_constructed = false; 52 alloc_last::allocator_constructed = false; 53 std::tuple<int, alloc_first, alloc_last> t(std::allocator_arg, 54 A1<int>(5), 1, alloc_first(2), 55 alloc_last(3)); 56 assert(std::get<0>(t) == 1); 57 assert(alloc_first::allocator_constructed); 58 assert(std::get<1>(t) == alloc_first(2)); 59 assert(alloc_last::allocator_constructed); 60 assert(std::get<2>(t) == alloc_last(3)); 61 } 62 { 63 alloc_first::allocator_constructed = false; 64 alloc_last::allocator_constructed = false; 65 std::tuple<int, alloc_first, alloc_last> t(std::allocator_arg, 66 A2<int>(5), 1, alloc_first(2), 67 alloc_last(3)); 68 assert(std::get<0>(t) == 1); 69 assert(!alloc_first::allocator_constructed); 70 assert(std::get<1>(t) == alloc_first(2)); 71 assert(!alloc_last::allocator_constructed); 72 assert(std::get<2>(t) == alloc_last(3)); 73 } 74 } 75