Home | History | Annotate | Download | only in tuple.cnstr
      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 #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         typedef std::tuple<double> T0;
     28         typedef std::tuple<int> T1;
     29         T0 t0(2.5);
     30         T1 t1(std::allocator_arg, A1<int>(), t0);
     31         assert(std::get<0>(t1) == 2);
     32     }
     33     {
     34         typedef std::tuple<int> T0;
     35         typedef std::tuple<alloc_first> T1;
     36         T0 t0(2);
     37         alloc_first::allocator_constructed = false;
     38         T1 t1(std::allocator_arg, A1<int>(5), t0);
     39         assert(alloc_first::allocator_constructed);
     40         assert(std::get<0>(t1) == 2);
     41     }
     42     {
     43         typedef std::tuple<int, int> T0;
     44         typedef std::tuple<alloc_first, alloc_last> T1;
     45         T0 t0(2, 3);
     46         alloc_first::allocator_constructed = false;
     47         alloc_last::allocator_constructed = false;
     48         T1 t1(std::allocator_arg, A1<int>(5), t0);
     49         assert(alloc_first::allocator_constructed);
     50         assert(alloc_last::allocator_constructed);
     51         assert(std::get<0>(t1) == 2);
     52         assert(std::get<1>(t1) == 3);
     53     }
     54     {
     55         typedef std::tuple<double, int, int> T0;
     56         typedef std::tuple<int, alloc_first, alloc_last> T1;
     57         T0 t0(1.5, 2, 3);
     58         alloc_first::allocator_constructed = false;
     59         alloc_last::allocator_constructed = false;
     60         T1 t1(std::allocator_arg, A1<int>(5), t0);
     61         assert(alloc_first::allocator_constructed);
     62         assert(alloc_last::allocator_constructed);
     63         assert(std::get<0>(t1) == 1);
     64         assert(std::get<1>(t1) == 2);
     65         assert(std::get<2>(t1) == 3);
     66     }
     67 }
     68