unittests/Host/linux/HostTest.cpp

//===-- HostTest.cpp --------------------------------------------*- 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
//
//===----------------------------------------------------------------------===//

#include "lldb/Host/Host.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Target/Process.h"
#include "gtest/gtest.h"

using namespace lldb_private;

namespace {
class HostTest : public testing::Test {
public:
  static void SetUpTestCase() {
    FileSystem::Initialize();
    HostInfo::Initialize();
  }
  static void TearDownTestCase() {
    HostInfo::Terminate();
    FileSystem::Terminate();
  }
};
} // namespace

TEST_F(HostTest, GetProcessInfo) {
  ProcessInstanceInfo Info;
  ASSERT_FALSE(Host::GetProcessInfo(0, Info));

  ASSERT_TRUE(Host::GetProcessInfo(getpid(), Info));

  ASSERT_TRUE(Info.ProcessIDIsValid());
  EXPECT_EQ(lldb::pid_t(getpid()), Info.GetProcessID());

  ASSERT_TRUE(Info.ParentProcessIDIsValid());
  EXPECT_EQ(lldb::pid_t(getppid()), Info.GetParentProcessID());

  ASSERT_TRUE(Info.EffectiveUserIDIsValid());
  EXPECT_EQ(geteuid(), Info.GetEffectiveUserID());

  ASSERT_TRUE(Info.EffectiveGroupIDIsValid());
  EXPECT_EQ(getegid(), Info.GetEffectiveGroupID());

  ASSERT_TRUE(Info.UserIDIsValid());
  EXPECT_EQ(geteuid(), Info.GetUserID());

  ASSERT_TRUE(Info.GroupIDIsValid());
  EXPECT_EQ(getegid(), Info.GetGroupID());

  EXPECT_TRUE(Info.GetArchitecture().IsValid());
  EXPECT_EQ(HostInfo::GetArchitecture(HostInfo::eArchKindDefault),
            Info.GetArchitecture());
}