| // -*- 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 |
| |
| #include <experimental/coroutine> |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| namespace coro = std::experimental; |
| |
| // Test that the type is in the correct namespace |
| using SuspendT = std::experimental::coroutines_v1::suspend_never; |
| |
| TEST_SAFE_STATIC SuspendT safe_sn; |
| constexpr SuspendT constexpr_sn; |
| |
| constexpr bool check_suspend_constexpr() { |
| SuspendT s{}; |
| const SuspendT scopy(s); ((void)scopy); |
| SuspendT smove(std::move(s)); ((void)smove); |
| s = scopy; |
| s = std::move(smove); |
| return true; |
| } |
| |
| |
| int main() |
| { |
| using H = coro::coroutine_handle<>; |
| using S = SuspendT; |
| H h{}; |
| S s{}; |
| S const& cs = s; |
| { |
| LIBCPP_STATIC_ASSERT(noexcept(s.await_ready()), ""); |
| static_assert(std::is_same<decltype(s.await_ready()), bool>::value, ""); |
| assert(s.await_ready() == true); |
| assert(cs.await_ready() == true); |
| } |
| { |
| LIBCPP_STATIC_ASSERT(noexcept(s.await_suspend(h)), ""); |
| static_assert(std::is_same<decltype(s.await_suspend(h)), void>::value, ""); |
| s.await_suspend(h); |
| cs.await_suspend(h); |
| } |
| { |
| LIBCPP_STATIC_ASSERT(noexcept(s.await_resume()), ""); |
| static_assert(std::is_same<decltype(s.await_resume()), void>::value, ""); |
| s.await_resume(); |
| cs.await_resume(); |
| } |
| { |
| static_assert(std::is_nothrow_default_constructible<S>::value, ""); |
| static_assert(std::is_nothrow_copy_constructible<S>::value, ""); |
| static_assert(std::is_nothrow_move_constructible<S>::value, ""); |
| static_assert(std::is_nothrow_copy_assignable<S>::value, ""); |
| static_assert(std::is_nothrow_move_assignable<S>::value, ""); |
| static_assert(std::is_trivially_copyable<S>::value, ""); |
| static_assert(check_suspend_constexpr(), ""); |
| } |
| { |
| // suppress unused warnings for the global constexpr test variable |
| ((void)constexpr_sn); |
| } |
| } |