| //===-- HostTest.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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/Host/Host.h" |
| #include "lldb/Host/FileSystem.h" |
| #include "lldb/Host/HostInfo.h" |
| #include "lldb/Utility/ProcessInfo.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) { |
| llvm::Triple triple = HostInfo::GetTargetTriple(); |
| |
| ASSERT_TRUE( |
| (triple.getOS() == llvm::Triple::OSType::Linux) || |
| (triple.hasEnvironment() && |
| triple.getEnvironment() == llvm::Triple::EnvironmentType::Android)); |
| |
| 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.ProcessGroupIDIsValid()); |
| EXPECT_EQ(lldb::pid_t(getpgrp()), Info.GetProcessGroupID()); |
| |
| ASSERT_TRUE(Info.ProcessSessionIDIsValid()); |
| EXPECT_EQ(lldb::pid_t(getsid(getpid())), Info.GetProcessSessionID()); |
| |
| 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()); |
| // Test timings |
| // In some sense this is a pretty trivial test. What it is trying to |
| // accomplish is just to validate that these values are never decreasing |
| // which would be unambiguously wrong. We can not reliably show them |
| // to be always increasing because the microsecond granularity means that, |
| // with hardware variations the number of loop iterations need to always |
| // be increasing for faster and faster machines. |
| ASSERT_TRUE(Host::GetProcessInfo(getpid(), Info)); |
| ProcessInstanceInfo::timespec user_time = Info.GetUserTime(); |
| static volatile unsigned u = 0; |
| for (unsigned i = 0; i < 10'000'000; i++) { |
| u += i; |
| } |
| ASSERT_TRUE(u > 0); |
| ASSERT_TRUE(Host::GetProcessInfo(getpid(), Info)); |
| ProcessInstanceInfo::timespec next_user_time = Info.GetUserTime(); |
| ASSERT_TRUE(user_time.tv_sec <= next_user_time.tv_sec || |
| user_time.tv_usec <= next_user_time.tv_usec); |
| } |