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Host.cpp
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Host.cpp
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//========- unittests/Support/Host.cpp - Host.cpp tests --------------========//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Host.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Triple.h"
#include "gtest/gtest.h"
using namespace llvm;
class HostTest : public testing::Test {
Triple Host;
SmallVector<std::pair<Triple::ArchType, Triple::OSType>, 4> SupportedArchAndOSs;
protected:
bool isSupportedArchAndOS() {
if (is_contained(SupportedArchAndOSs, std::make_pair(Host.getArch(), Host.getOS())))
return true;
return false;
}
HostTest() {
Host.setTriple(Triple::normalize(sys::getProcessTriple()));
// Initially this is only testing detection of the number of
// physical cores, which is currently only supported/tested for
// x86_64 Linux and Darwin.
SupportedArchAndOSs.push_back(std::make_pair(Triple::x86_64, Triple::Linux));
SupportedArchAndOSs.push_back(std::make_pair(Triple::x86_64, Triple::Darwin));
SupportedArchAndOSs.push_back(std::make_pair(Triple::x86_64, Triple::MacOSX));
}
};
TEST_F(HostTest, NumPhysicalCores) {
int Num = sys::getHostNumPhysicalCores();
if (isSupportedArchAndOS())
ASSERT_GT(Num, 0);
else
ASSERT_EQ(Num, -1);
}