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// -*- 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
// REQUIRES: fcoroutines-ts
// RUN: %build -fcoroutines-ts
// RUN: %run
#include <experimental/coroutine>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
namespace coro = std::experimental;
using SuspendT = std::experimental::coroutines_v1::suspend_always;
TEST_SAFE_STATIC SuspendT safe_sa;
constexpr SuspendT constexpr_sa;
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() == false);
assert(cs.await_ready() == false);
}
{
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(), "");
}
}
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