| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <tuple> |
| |
| // template <class... Types> class tuple; |
| |
| // template <class Alloc, class... UTypes> |
| // tuple(allocator_arg_t, const Alloc& a, const tuple<UTypes...>&); |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| #include <tuple> |
| #include <memory> |
| #include <cassert> |
| |
| #include "allocators.h" |
| #include "../alloc_first.h" |
| #include "../alloc_last.h" |
| |
| struct Explicit { |
| int value; |
| explicit Explicit(int x) : value(x) {} |
| }; |
| |
| struct Implicit { |
| int value; |
| Implicit(int x) : value(x) {} |
| }; |
| |
| int main() |
| { |
| { |
| typedef std::tuple<double> T0; |
| typedef std::tuple<int> T1; |
| T0 t0(2.5); |
| T1 t1(std::allocator_arg, A1<int>(), t0); |
| assert(std::get<0>(t1) == 2); |
| } |
| { |
| typedef std::tuple<int> T0; |
| typedef std::tuple<alloc_first> T1; |
| T0 t0(2); |
| alloc_first::allocator_constructed = false; |
| T1 t1(std::allocator_arg, A1<int>(5), t0); |
| assert(alloc_first::allocator_constructed); |
| assert(std::get<0>(t1) == 2); |
| } |
| { |
| typedef std::tuple<int, int> T0; |
| typedef std::tuple<alloc_first, alloc_last> T1; |
| T0 t0(2, 3); |
| alloc_first::allocator_constructed = false; |
| alloc_last::allocator_constructed = false; |
| T1 t1(std::allocator_arg, A1<int>(5), t0); |
| assert(alloc_first::allocator_constructed); |
| assert(alloc_last::allocator_constructed); |
| assert(std::get<0>(t1) == 2); |
| assert(std::get<1>(t1) == 3); |
| } |
| { |
| typedef std::tuple<double, int, int> T0; |
| typedef std::tuple<int, alloc_first, alloc_last> T1; |
| T0 t0(1.5, 2, 3); |
| alloc_first::allocator_constructed = false; |
| alloc_last::allocator_constructed = false; |
| T1 t1(std::allocator_arg, A1<int>(5), t0); |
| assert(alloc_first::allocator_constructed); |
| assert(alloc_last::allocator_constructed); |
| assert(std::get<0>(t1) == 1); |
| assert(std::get<1>(t1) == 2); |
| assert(std::get<2>(t1) == 3); |
| } |
| { |
| const std::tuple<int> t1(42); |
| std::tuple<Explicit> t2{std::allocator_arg, std::allocator<void>{}, t1}; |
| assert(std::get<0>(t2).value == 42); |
| } |
| { |
| const std::tuple<int> t1(42); |
| std::tuple<Implicit> t2 = {std::allocator_arg, std::allocator<void>{}, t1}; |
| assert(std::get<0>(t2).value == 42); |
| } |
| } |