| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11 |
| |
| // <experimental/coroutine> |
| |
| // template <class Promise = void> |
| // struct coroutine_handle; |
| |
| // bool operator==(coroutine_handle<>, coroutine_handle<>) noexcept |
| // bool operator!=(coroutine_handle<>, coroutine_handle<>) noexcept |
| |
| #include <experimental/coroutine> |
| #include <type_traits> |
| #include <utility> |
| #include <cstdint> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| namespace coro = std::experimental; |
| |
| template <class C> |
| void do_test(uintptr_t LHSVal, uintptr_t RHSVal) { |
| const C LHS = C::from_address(reinterpret_cast<void*>(LHSVal)); |
| const C RHS = C::from_address(reinterpret_cast<void*>(RHSVal)); |
| const bool ExpectIsEqual = (LHSVal == RHSVal); |
| assert((LHS == RHS) == ExpectIsEqual); |
| assert((RHS == LHS) == ExpectIsEqual); |
| assert((LHS != RHS) == !ExpectIsEqual); |
| assert((RHS != LHS) == !ExpectIsEqual); |
| { |
| static_assert(noexcept(LHS == RHS), ""); |
| static_assert(noexcept(LHS != RHS), ""); |
| ASSERT_SAME_TYPE(decltype(LHS == RHS), bool); |
| ASSERT_SAME_TYPE(decltype(LHS != RHS), bool); |
| } |
| } |
| |
| int main() |
| { |
| std::pair<uintptr_t, uintptr_t> const TestCases[] = { |
| {0, 0}, |
| {16, 16}, |
| {0, 16}, |
| {16, 0} |
| }; |
| for (auto& TC : TestCases) { |
| do_test<coro::coroutine_handle<>>(TC.first, TC.second); |
| do_test<coro::coroutine_handle<int>>(TC.first, TC.second); |
| } |
| } |