| //===----------------------------------------------------------------------===// |
| // |
| // 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... Tuples> tuple<CTypes...> tuple_cat(Tuples&&... tpls); |
| |
| #include <tuple> |
| #include <utility> |
| #include <array> |
| #include <string> |
| #include <cassert> |
| |
| #include "../MoveOnly.h" |
| |
| int main() |
| { |
| { |
| std::tuple<> t = std::tuple_cat(); |
| } |
| { |
| std::tuple<> t1; |
| std::tuple<> t2 = std::tuple_cat(t1); |
| } |
| { |
| std::tuple<> t = std::tuple_cat(std::tuple<>()); |
| } |
| { |
| std::tuple<> t = std::tuple_cat(std::array<int, 0>()); |
| } |
| { |
| std::tuple<int> t1(1); |
| std::tuple<int> t = std::tuple_cat(t1); |
| assert(std::get<0>(t) == 1); |
| } |
| |
| #if _LIBCPP_STD_VER > 11 |
| { |
| constexpr std::tuple<> t = std::tuple_cat(); |
| } |
| { |
| constexpr std::tuple<> t1; |
| constexpr std::tuple<> t2 = std::tuple_cat(t1); |
| } |
| { |
| constexpr std::tuple<> t = std::tuple_cat(std::tuple<>()); |
| } |
| { |
| constexpr std::tuple<> t = std::tuple_cat(std::array<int, 0>()); |
| } |
| { |
| constexpr std::tuple<int> t1(1); |
| constexpr std::tuple<int> t = std::tuple_cat(t1); |
| static_assert(std::get<0>(t) == 1, ""); |
| } |
| { |
| constexpr std::tuple<int> t1(1); |
| constexpr std::tuple<int, int> t = std::tuple_cat(t1, t1); |
| static_assert(std::get<0>(t) == 1, ""); |
| static_assert(std::get<1>(t) == 1, ""); |
| } |
| #endif |
| { |
| std::tuple<int, MoveOnly> t = |
| std::tuple_cat(std::tuple<int, MoveOnly>(1, 2)); |
| assert(std::get<0>(t) == 1); |
| assert(std::get<1>(t) == 2); |
| } |
| { |
| std::tuple<int, int, int> t = std::tuple_cat(std::array<int, 3>()); |
| assert(std::get<0>(t) == 0); |
| assert(std::get<1>(t) == 0); |
| assert(std::get<2>(t) == 0); |
| } |
| { |
| std::tuple<int, MoveOnly> t = std::tuple_cat(std::pair<int, MoveOnly>(2, 1)); |
| assert(std::get<0>(t) == 2); |
| assert(std::get<1>(t) == 1); |
| } |
| |
| { |
| std::tuple<> t1; |
| std::tuple<> t2; |
| std::tuple<> t3 = std::tuple_cat(t1, t2); |
| } |
| { |
| std::tuple<> t1; |
| std::tuple<int> t2(2); |
| std::tuple<int> t3 = std::tuple_cat(t1, t2); |
| assert(std::get<0>(t3) == 2); |
| } |
| { |
| std::tuple<> t1; |
| std::tuple<int> t2(2); |
| std::tuple<int> t3 = std::tuple_cat(t2, t1); |
| assert(std::get<0>(t3) == 2); |
| } |
| { |
| std::tuple<int*> t1; |
| std::tuple<int> t2(2); |
| std::tuple<int*, int> t3 = std::tuple_cat(t1, t2); |
| assert(std::get<0>(t3) == nullptr); |
| assert(std::get<1>(t3) == 2); |
| } |
| { |
| std::tuple<int*> t1; |
| std::tuple<int> t2(2); |
| std::tuple<int, int*> t3 = std::tuple_cat(t2, t1); |
| assert(std::get<0>(t3) == 2); |
| assert(std::get<1>(t3) == nullptr); |
| } |
| { |
| std::tuple<int*> t1; |
| std::tuple<int, double> t2(2, 3.5); |
| std::tuple<int*, int, double> t3 = std::tuple_cat(t1, t2); |
| assert(std::get<0>(t3) == nullptr); |
| assert(std::get<1>(t3) == 2); |
| assert(std::get<2>(t3) == 3.5); |
| } |
| { |
| std::tuple<int*> t1; |
| std::tuple<int, double> t2(2, 3.5); |
| std::tuple<int, double, int*> t3 = std::tuple_cat(t2, t1); |
| assert(std::get<0>(t3) == 2); |
| assert(std::get<1>(t3) == 3.5); |
| assert(std::get<2>(t3) == nullptr); |
| } |
| { |
| std::tuple<int*, MoveOnly> t1(nullptr, 1); |
| std::tuple<int, double> t2(2, 3.5); |
| std::tuple<int*, MoveOnly, int, double> t3 = |
| std::tuple_cat(std::move(t1), t2); |
| assert(std::get<0>(t3) == nullptr); |
| assert(std::get<1>(t3) == 1); |
| assert(std::get<2>(t3) == 2); |
| assert(std::get<3>(t3) == 3.5); |
| } |
| { |
| std::tuple<int*, MoveOnly> t1(nullptr, 1); |
| std::tuple<int, double> t2(2, 3.5); |
| std::tuple<int, double, int*, MoveOnly> t3 = |
| std::tuple_cat(t2, std::move(t1)); |
| assert(std::get<0>(t3) == 2); |
| assert(std::get<1>(t3) == 3.5); |
| assert(std::get<2>(t3) == nullptr); |
| assert(std::get<3>(t3) == 1); |
| } |
| { |
| std::tuple<MoveOnly, MoveOnly> t1(1, 2); |
| std::tuple<int*, MoveOnly> t2(nullptr, 4); |
| std::tuple<MoveOnly, MoveOnly, int*, MoveOnly> t3 = |
| std::tuple_cat(std::move(t1), std::move(t2)); |
| assert(std::get<0>(t3) == 1); |
| assert(std::get<1>(t3) == 2); |
| assert(std::get<2>(t3) == nullptr); |
| assert(std::get<3>(t3) == 4); |
| } |
| |
| { |
| std::tuple<MoveOnly, MoveOnly> t1(1, 2); |
| std::tuple<int*, MoveOnly> t2(nullptr, 4); |
| std::tuple<MoveOnly, MoveOnly, int*, MoveOnly> t3 = |
| std::tuple_cat(std::tuple<>(), |
| std::move(t1), |
| std::move(t2)); |
| assert(std::get<0>(t3) == 1); |
| assert(std::get<1>(t3) == 2); |
| assert(std::get<2>(t3) == nullptr); |
| assert(std::get<3>(t3) == 4); |
| } |
| { |
| std::tuple<MoveOnly, MoveOnly> t1(1, 2); |
| std::tuple<int*, MoveOnly> t2(nullptr, 4); |
| std::tuple<MoveOnly, MoveOnly, int*, MoveOnly> t3 = |
| std::tuple_cat(std::move(t1), |
| std::tuple<>(), |
| std::move(t2)); |
| assert(std::get<0>(t3) == 1); |
| assert(std::get<1>(t3) == 2); |
| assert(std::get<2>(t3) == nullptr); |
| assert(std::get<3>(t3) == 4); |
| } |
| { |
| std::tuple<MoveOnly, MoveOnly> t1(1, 2); |
| std::tuple<int*, MoveOnly> t2(nullptr, 4); |
| std::tuple<MoveOnly, MoveOnly, int*, MoveOnly> t3 = |
| std::tuple_cat(std::move(t1), |
| std::move(t2), |
| std::tuple<>()); |
| assert(std::get<0>(t3) == 1); |
| assert(std::get<1>(t3) == 2); |
| assert(std::get<2>(t3) == nullptr); |
| assert(std::get<3>(t3) == 4); |
| } |
| { |
| std::tuple<MoveOnly, MoveOnly> t1(1, 2); |
| std::tuple<int*, MoveOnly> t2(nullptr, 4); |
| std::tuple<MoveOnly, MoveOnly, int*, MoveOnly, int> t3 = |
| std::tuple_cat(std::move(t1), |
| std::move(t2), |
| std::tuple<int>(5)); |
| assert(std::get<0>(t3) == 1); |
| assert(std::get<1>(t3) == 2); |
| assert(std::get<2>(t3) == nullptr); |
| assert(std::get<3>(t3) == 4); |
| assert(std::get<4>(t3) == 5); |
| } |
| } |