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, const tuple<UTypes...>&); 16 17 // UNSUPPORTED: c++98, c++03 18 19 #include <tuple> 20 #include <cassert> 21 22 #include "allocators.h" 23 #include "../alloc_first.h" 24 #include "../alloc_last.h" 25 26 int main() 27 { 28 { 29 typedef std::tuple<double> T0; 30 typedef std::tuple<int> T1; 31 T0 t0(2.5); 32 T1 t1(std::allocator_arg, A1<int>(), t0); 33 assert(std::get<0>(t1) == 2); 34 } 35 { 36 typedef std::tuple<int> T0; 37 typedef std::tuple<alloc_first> T1; 38 T0 t0(2); 39 alloc_first::allocator_constructed = false; 40 T1 t1(std::allocator_arg, A1<int>(5), t0); 41 assert(alloc_first::allocator_constructed); 42 assert(std::get<0>(t1) == 2); 43 } 44 { 45 typedef std::tuple<int, int> T0; 46 typedef std::tuple<alloc_first, alloc_last> T1; 47 T0 t0(2, 3); 48 alloc_first::allocator_constructed = false; 49 alloc_last::allocator_constructed = false; 50 T1 t1(std::allocator_arg, A1<int>(5), t0); 51 assert(alloc_first::allocator_constructed); 52 assert(alloc_last::allocator_constructed); 53 assert(std::get<0>(t1) == 2); 54 assert(std::get<1>(t1) == 3); 55 } 56 { 57 typedef std::tuple<double, int, int> T0; 58 typedef std::tuple<int, alloc_first, alloc_last> T1; 59 T0 t0(1.5, 2, 3); 60 alloc_first::allocator_constructed = false; 61 alloc_last::allocator_constructed = false; 62 T1 t1(std::allocator_arg, A1<int>(5), t0); 63 assert(alloc_first::allocator_constructed); 64 assert(alloc_last::allocator_constructed); 65 assert(std::get<0>(t1) == 1); 66 assert(std::get<1>(t1) == 2); 67 assert(std::get<2>(t1) == 3); 68 } 69 } 70
