09e3a36058
This patch adds a large number of missing includes in the libc++ headers and the test suite. Those were found as part of the effort to move towards a mostly monolithic top-level std module.
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
//
|
|
// 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
|
|
// XFAIL: !has-64-bit-atomics
|
|
|
|
// integral-type operator&=(integral-type) const noexcept;
|
|
|
|
#include <atomic>
|
|
#include <cassert>
|
|
#include <concepts>
|
|
#include <type_traits>
|
|
#include <utility>
|
|
|
|
#include "atomic_helpers.h"
|
|
#include "test_macros.h"
|
|
|
|
template <typename T>
|
|
concept has_bitwise_and_assign = requires { std::declval<T const>() &= std::declval<T>(); };
|
|
|
|
template <typename T>
|
|
struct TestDoesNotHaveBitwiseAndAssign {
|
|
void operator()() const { static_assert(!has_bitwise_and_assign<std::atomic_ref<T>>); }
|
|
};
|
|
|
|
template <typename T>
|
|
struct TestBitwiseAndAssign {
|
|
void operator()() const {
|
|
static_assert(std::is_integral_v<T>);
|
|
|
|
T x(T(1));
|
|
std::atomic_ref<T> const a(x);
|
|
|
|
std::same_as<T> decltype(auto) y = (a &= T(1));
|
|
assert(y == T(1));
|
|
assert(x == T(1));
|
|
ASSERT_NOEXCEPT(a &= T(0));
|
|
|
|
y = (a &= T(2));
|
|
assert(y == T(0));
|
|
assert(x == T(0));
|
|
}
|
|
};
|
|
|
|
int main(int, char**) {
|
|
TestEachIntegralType<TestBitwiseAndAssign>()();
|
|
|
|
TestEachFloatingPointType<TestDoesNotHaveBitwiseAndAssign>()();
|
|
|
|
TestEachPointerType<TestDoesNotHaveBitwiseAndAssign>()();
|
|
|
|
TestDoesNotHaveBitwiseAndAssign<bool>()();
|
|
TestDoesNotHaveBitwiseAndAssign<UserAtomicType>()();
|
|
TestDoesNotHaveBitwiseAndAssign<LargeUserAtomicType>()();
|
|
|
|
return 0;
|
|
}
|