| //===----------------------------------------------------------------------===// |
| // |
| // 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, tuple<UTypes...>&&); |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| #include <tuple> |
| #include <string> |
| #include <memory> |
| #include <cassert> |
| |
| #include "allocators.h" |
| #include "../alloc_first.h" |
| #include "../alloc_last.h" |
| |
| struct B |
| { |
| int id_; |
| |
| explicit B(int i) : id_(i) {} |
| |
| virtual ~B() {} |
| }; |
| |
| struct D |
| : B |
| { |
| explicit D(int i) : B(i) {} |
| }; |
| |
| struct Explicit { |
| int value; |
| explicit Explicit(int x) : value(x) {} |
| }; |
| |
| struct Implicit { |
| int value; |
| Implicit(int x) : value(x) {} |
| }; |
| |
| int main() |
| { |
| { |
| 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), std::move(t0)); |
| assert(alloc_first::allocator_constructed); |
| assert(std::get<0>(t1) == 2); |
| } |
| { |
| typedef std::tuple<std::unique_ptr<D>> T0; |
| typedef std::tuple<std::unique_ptr<B>> T1; |
| T0 t0(std::unique_ptr<D>(new D(3))); |
| T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); |
| assert(std::get<0>(t1)->id_ == 3); |
| } |
| { |
| typedef std::tuple<int, std::unique_ptr<D>> T0; |
| typedef std::tuple<alloc_first, std::unique_ptr<B>> T1; |
| T0 t0(2, std::unique_ptr<D>(new D(3))); |
| alloc_first::allocator_constructed = false; |
| T1 t1(std::allocator_arg, A1<int>(5), std::move(t0)); |
| assert(alloc_first::allocator_constructed); |
| assert(std::get<0>(t1) == 2); |
| assert(std::get<1>(t1)->id_ == 3); |
| } |
| { |
| typedef std::tuple<int, int, std::unique_ptr<D>> T0; |
| typedef std::tuple<alloc_last, alloc_first, std::unique_ptr<B>> T1; |
| T0 t0(1, 2, std::unique_ptr<D>(new D(3))); |
| alloc_first::allocator_constructed = false; |
| alloc_last::allocator_constructed = false; |
| T1 t1(std::allocator_arg, A1<int>(5), std::move(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)->id_ == 3); |
| } |
| { |
| std::tuple<int> t1(42); |
| std::tuple<Explicit> t2{std::allocator_arg, std::allocator<void>{}, std::move(t1)}; |
| assert(std::get<0>(t2).value == 42); |
| } |
| { |
| std::tuple<int> t1(42); |
| std::tuple<Implicit> t2 = {std::allocator_arg, std::allocator<void>{}, std::move(t1)}; |
| assert(std::get<0>(t2).value == 42); |
| } |
| } |