llvm-project/llvm/unittests/Support/Threading.cpp

25 lines
743 B
C++

//===- unittests/Threading.cpp - Thread tests -----------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Threading.h"
#include "llvm/Support/thread.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(Threading, PhysicalConcurrency) {
auto Num = heavyweight_hardware_concurrency();
// Since Num is unsigned this will also catch us trying to
// return -1.
ASSERT_LE(Num, thread::hardware_concurrency());
}
} // end anon namespace