34 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710 11// <atomic>12 13// explicit atomic_ref(T&);14 15#include <atomic>16#include <type_traits>17 18#include "atomic_helpers.h"19#include "test_macros.h"20 21template <typename T>22struct TestDeduction {23 void operator()() const {24 T x(T(0));25 std::atomic_ref a(x);26 ASSERT_SAME_TYPE(decltype(a), std::atomic_ref<T>);27 }28};29 30int main(int, char**) {31 TestEachAtomicType<TestDeduction>()();32 return 0;33}34