test/std/thread/thread.threads/thread.thread.class/thread.thread.static/hardware_concurrency.pass.cpp

//===----------------------------------------------------------------------===//
//
// 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: libcpp-has-no-threads

// <thread>

// class thread

// unsigned hardware_concurrency();

#include <thread>
#include <cassert>

int main()
{
    assert(std::thread::hardware_concurrency() > 0);
}