// struct atomic_flag
-// bool atomic_flag_test_and_set(volatile atomic_flag*);
-// bool atomic_flag_test_and_set(atomic_flag*);
+// bool atomic_flag_test(const volatile atomic_flag*);
+// bool atomic_flag_test(const atomic_flag*);
#include <atomic>
#include <cassert>
{
std::atomic_flag f;
f.clear();
- assert(atomic_flag_test_and_set(&f) == 0);
- assert(f.test_and_set() == 1);
+ assert(atomic_flag_test(&f) == 0);
+ assert(f.test_and_set() == 0);
+ assert(atomic_flag_test(&f) == 1);
}
{
volatile std::atomic_flag f;
f.clear();
- assert(atomic_flag_test_and_set(&f) == 0);
- assert(f.test_and_set() == 1);
+ assert(atomic_flag_test(&f) == 0);
+ assert(f.test_and_set() == 0);
+ assert(atomic_flag_test(&f) == 1);
}
- return 0;
+ return 0;
}
+++ /dev/null
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-// UNSUPPORTED: c++03, c++11, c++14, c++17
-// <chrono>
-
-// template <class Duration>
-// class hh_mm_ss
-// {
-// public:
-// static unsigned constexpr fractional_width = see below;
-// using precision = see below;
-//
-// precision is duration<common_type_t<Duration::rep, seconds::rep>,
-// ratio<1, 10^^fractional_width>>
-
-#include <chrono>
-#include <cassert>
-
-#include "test_macros.h"
-
-constexpr unsigned long long powers[] = {
- 1ULL,
- 10ULL,
- 100ULL,
- 1000ULL,
- 10000ULL,
- 100000ULL,
- 1000000ULL,
- 10000000ULL,
- 100000000ULL,
- 1000000000ULL,
- 10000000000ULL,
- 100000000000ULL,
- 1000000000000ULL,
- 10000000000000ULL,
- 100000000000000ULL,
- 1000000000000000ULL,
- 10000000000000000ULL,
- 100000000000000000ULL,
- 1000000000000000000ULL,
- 10000000000000000000ULL
- };
-
-template <typename Duration, unsigned width>
-constexpr bool check_precision()
-{
- using HMS = std::chrono::hh_mm_ss<Duration>;
- using CT = std::common_type_t<typename Duration::rep, std::chrono::seconds::rep>;
- using Pre = std::chrono::duration<CT, std::ratio<1, powers[width]>>;
- return std::is_same_v<typename HMS::precision, Pre>;
-}
-
-int main(int, char**)
-{
- using microfortnights = std::chrono::duration<int, std::ratio<756, 625>>;
-
- static_assert( check_precision<std::chrono::hours, 0>(), "");
- static_assert( check_precision<std::chrono::minutes, 0>(), "");
- static_assert( check_precision<std::chrono::seconds, 0>(), "");
- static_assert( check_precision<std::chrono::milliseconds, 3>(), "");
- static_assert( check_precision<std::chrono::microseconds, 6>(), "");
- static_assert( check_precision<std::chrono::nanoseconds, 9>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 2>>, 1>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 3>>, 6>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 4>>, 2>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 5>>, 1>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 6>>, 6>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 7>>, 6>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 8>>, 3>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 9>>, 6>(), "");
- static_assert( check_precision<std::chrono::duration<int, std::ratio< 1, 10>>, 1>(), "");
- static_assert( check_precision<microfortnights, 4>(), "");
-
- return 0;
-}