// Copyright 2012 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "base/system/sys_info.h" #include <stdint.h> #include <optional> #include <string_view> #include <utility> #include <vector> #include "base/environment.h" #include "base/files/file_util.h" #include "base/functional/bind.h" #include "base/numerics/safe_conversions.h" #include "base/process/process_metrics.h" #include "base/run_loop.h" #include "base/strings/pattern.h" #include "base/strings/string_number_conversions.h" #include "base/strings/string_split.h" #include "base/strings/string_util.h" #include "base/strings/sys_string_conversions.h" #include "base/strings/utf_string_conversions.h" #include "base/test/scoped_chromeos_version_info.h" #include "base/test/scoped_running_on_chromeos.h" #include "base/test/task_environment.h" #include "base/threading/platform_thread.h" #include "base/threading/scoped_blocking_call.h" #include "base/time/time.h" #include "build/build_config.h" #include "testing/gtest/include/gtest/gtest-death-test.h" #include "testing/gtest/include/gtest/gtest.h" #include "testing/platform_test.h" #if BUILDFLAG(IS_WIN) #include "base/win/com_init_util.h" #include "base/win/scoped_bstr.h" #include "base/win/scoped_com_initializer.h" #include "base/win/scoped_variant.h" #include "base/win/wmi.h" #endif // BUILDFLAG(IS_WIN) #if BUILDFLAG(IS_MAC) #include "base/system/sys_info_internal.h" #include "base/test/scoped_feature_list.h" #endif // BUILDFLAG(IS_MAC) namespace base { #if BUILDFLAG(IS_ANDROID) // Some Android (Cast) test devices have a large portion of physical memory // reserved. During investigation, around 115-150 MB were seen reserved, so we // track this here with a factory of safety of 2. static constexpr int kReservedPhysicalMemory = 300 * 1024; // In _K_bytes. #endif // BUILDFLAG(IS_ANDROID) SysInfoTest; TEST_F(SysInfoTest, NumProcs) { … } #if BUILDFLAG(IS_MAC) TEST_F(SysInfoTest, NumProcsWithSecurityMitigationEnabled) { // Reset state so that the call to SetCpuSecurityMitigationsEnabled() below // succeeds even if SysInfo::NumberOfProcessors() was previously called. SysInfo::ResetCpuSecurityMitigationsEnabledForTesting(); // Verify that the number of number of available processors available when CPU // security mitigation is enabled is the number of available "physical" // processors. test::ScopedFeatureList feature_list_; feature_list_.InitAndEnableFeature(kNumberOfCoresWithCpuSecurityMitigation); SysInfo::SetCpuSecurityMitigationsEnabled(); EXPECT_EQ(SysInfo::NumberOfProcessors(), internal::NumberOfPhysicalProcessors()); // Reset state set by this test. SysInfo::ResetCpuSecurityMitigationsEnabledForTesting(); } #endif // BUILDFLAG(IS_MAC) TEST_F(SysInfoTest, AmountOfMem) { … } #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID) #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) #define MAYBE_AmountOfAvailablePhysicalMemory … #else #define MAYBE_AmountOfAvailablePhysicalMemory … #endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) TEST_F(SysInfoTest, MAYBE_AmountOfAvailablePhysicalMemory) { … } #endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || // BUILDFLAG(IS_ANDROID) TEST_F(SysInfoTest, AmountOfFreeDiskSpace) { … } TEST_F(SysInfoTest, AmountOfTotalDiskSpace) { … } #if BUILDFLAG(IS_FUCHSIA) // Verify that specifying total disk space for nested directories matches // the deepest-nested. TEST_F(SysInfoTest, NestedVolumesAmountOfTotalDiskSpace) { constexpr int64_t kOuterVolumeQuota = 1024; constexpr int64_t kInnerVolumeQuota = kOuterVolumeQuota / 2; FilePath tmp_path; ASSERT_TRUE(GetTempDir(&tmp_path)); SysInfo::SetAmountOfTotalDiskSpace(tmp_path, kOuterVolumeQuota); const FilePath subdirectory_path = tmp_path.Append("subdirectory"); SysInfo::SetAmountOfTotalDiskSpace(subdirectory_path, kInnerVolumeQuota); EXPECT_EQ(SysInfo::AmountOfTotalDiskSpace(tmp_path), kOuterVolumeQuota); EXPECT_EQ(SysInfo::AmountOfTotalDiskSpace(subdirectory_path), kInnerVolumeQuota); // Remove the inner directory quota setting and check again. SysInfo::SetAmountOfTotalDiskSpace(subdirectory_path, -1); EXPECT_EQ(SysInfo::AmountOfTotalDiskSpace(subdirectory_path), kOuterVolumeQuota); } #endif // BUILDFLAG(IS_FUCHSIA) #if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_APPLE) || BUILDFLAG(IS_LINUX) || \ BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_FUCHSIA) TEST_F(SysInfoTest, OperatingSystemVersion) { … } TEST_F(SysInfoTest, OperatingSystemVersionNumbers) { … } #endif #if BUILDFLAG(IS_IOS) TEST_F(SysInfoTest, GetIOSBuildNumber) { std::string build_number(SysInfo::GetIOSBuildNumber()); EXPECT_GT(build_number.length(), 0U); } #endif // BUILDFLAG(IS_IOS) TEST_F(SysInfoTest, Uptime) { … } #if BUILDFLAG(IS_APPLE) TEST_F(SysInfoTest, HardwareModelNameFormatMacAndiOS) { std::string hardware_model = SysInfo::HardwareModelName(); ASSERT_FALSE(hardware_model.empty()); // Check that the model is of the expected format, which is different on iOS // simulators and real iOS / MacOS devices. #if BUILDFLAG(IS_IOS) && TARGET_OS_SIMULATOR // On iOS simulators, the device model looks like "iOS Simulator (Foo[,Bar])" // where Foo is either "Unknown", "iPhone" or "iPad", and Bar, if present, is // a number. EXPECT_TRUE(base::MatchPattern(hardware_model, "iOS Simulator (*)")) << hardware_model; std::vector<std::string_view> mainPieces = SplitStringPiece(hardware_model, "()", KEEP_WHITESPACE, SPLIT_WANT_ALL); ASSERT_EQ(3u, mainPieces.size()) << hardware_model; std::vector<std::string_view> modelPieces = SplitStringPiece(mainPieces[1], ",", KEEP_WHITESPACE, SPLIT_WANT_ALL); ASSERT_GE(modelPieces.size(), 1u) << hardware_model; if (modelPieces.size() == 1u) { EXPECT_TRUE(modelPieces[0] == "Unknown" || modelPieces[0] == "iPhone" || modelPieces[0] == "iPad") << hardware_model; } else { int value; EXPECT_TRUE(StringToInt(modelPieces[1], &value)) << hardware_model; } #else // The expected format is "Foo,Bar" where Foo is "iPhone" or "iPad" and Bar is // a number. std::vector<std::string_view> pieces = SplitStringPiece(hardware_model, ",", KEEP_WHITESPACE, SPLIT_WANT_ALL); ASSERT_EQ(2u, pieces.size()) << hardware_model; int value; EXPECT_TRUE(StringToInt(pieces[1], &value)) << hardware_model; #endif // BUILDFLAG(IS_IOS) && TARGET_OS_SIMULATOR } #endif // BUILDFLAG(IS_APPLE) TEST_F(SysInfoTest, GetHardwareInfo) { … } #if BUILDFLAG(IS_WIN) TEST_F(SysInfoTest, GetHardwareInfoWMIMatchRegistry) { base::win::ScopedCOMInitializer com_initializer; test::TaskEnvironment task_environment; std::optional<SysInfo::HardwareInfo> hardware_info; auto callback = base::BindOnce( [](std::optional<SysInfo::HardwareInfo>* target_info, SysInfo::HardwareInfo info) { *target_info = std::move(info); }, &hardware_info); SysInfo::GetHardwareInfo(std::move(callback)); task_environment.RunUntilIdle(); ASSERT_TRUE(hardware_info.has_value()); Microsoft::WRL::ComPtr<IWbemServices> wmi_services; EXPECT_TRUE(base::win::CreateLocalWmiConnection(true, &wmi_services)); static constexpr wchar_t query_computer_system[] = L"SELECT Manufacturer,Model FROM Win32_ComputerSystem"; Microsoft::WRL::ComPtr<IEnumWbemClassObject> enumerator_computer_system; HRESULT hr = wmi_services->ExecQuery( base::win::ScopedBstr(L"WQL").Get(), base::win::ScopedBstr(query_computer_system).Get(), WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, nullptr, &enumerator_computer_system); EXPECT_FALSE(FAILED(hr) || !enumerator_computer_system.Get()); Microsoft::WRL::ComPtr<IWbemClassObject> class_object; ULONG items_returned = 0; hr = enumerator_computer_system->Next(WBEM_INFINITE, 1, &class_object, &items_returned); EXPECT_FALSE(FAILED(hr) || !items_returned); base::win::ScopedVariant manufacturerVar; std::wstring manufacturer; hr = class_object->Get(L"Manufacturer", 0, manufacturerVar.Receive(), nullptr, nullptr); if (SUCCEEDED(hr) && manufacturerVar.type() == VT_BSTR) { manufacturer.assign(V_BSTR(manufacturerVar.ptr()), ::SysStringLen(V_BSTR(manufacturerVar.ptr()))); } base::win::ScopedVariant modelVar; std::wstring model; hr = class_object->Get(L"Model", 0, modelVar.Receive(), nullptr, nullptr); if (SUCCEEDED(hr) && modelVar.type() == VT_BSTR) { model.assign(V_BSTR(modelVar.ptr()), ::SysStringLen(V_BSTR(modelVar.ptr()))); } EXPECT_TRUE(hardware_info->manufacturer == base::SysWideToUTF8(manufacturer)); EXPECT_TRUE(hardware_info->model == base::SysWideToUTF8(model)); } #endif #if BUILDFLAG(IS_CHROMEOS) TEST_F(SysInfoTest, GoogleChromeOSVersionNumbers) { int32_t os_major_version = -1; int32_t os_minor_version = -1; int32_t os_bugfix_version = -1; const char kLsbRelease[] = "FOO=1234123.34.5\n" "CHROMEOS_RELEASE_VERSION=1.2.3.4\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease, Time()); SysInfo::OperatingSystemVersionNumbers(&os_major_version, &os_minor_version, &os_bugfix_version); EXPECT_EQ(1, os_major_version); EXPECT_EQ(2, os_minor_version); EXPECT_EQ(3, os_bugfix_version); } TEST_F(SysInfoTest, GoogleChromeOSVersionNumbersFirst) { int32_t os_major_version = -1; int32_t os_minor_version = -1; int32_t os_bugfix_version = -1; const char kLsbRelease[] = "CHROMEOS_RELEASE_VERSION=1.2.3.4\n" "FOO=1234123.34.5\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease, Time()); SysInfo::OperatingSystemVersionNumbers(&os_major_version, &os_minor_version, &os_bugfix_version); EXPECT_EQ(1, os_major_version); EXPECT_EQ(2, os_minor_version); EXPECT_EQ(3, os_bugfix_version); } TEST_F(SysInfoTest, GoogleChromeOSNoVersionNumbers) { int32_t os_major_version = -1; int32_t os_minor_version = -1; int32_t os_bugfix_version = -1; const char kLsbRelease[] = "FOO=1234123.34.5\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease, Time()); SysInfo::OperatingSystemVersionNumbers(&os_major_version, &os_minor_version, &os_bugfix_version); EXPECT_EQ(0, os_major_version); EXPECT_EQ(0, os_minor_version); EXPECT_EQ(0, os_bugfix_version); } TEST_F(SysInfoTest, GoogleChromeOSLsbReleaseTime) { const char kLsbRelease[] = "CHROMEOS_RELEASE_VERSION=1.2.3.4"; // Use a fake time that can be safely displayed as a string. const Time lsb_release_time(Time::FromSecondsSinceUnixEpoch(12345.6)); test::ScopedChromeOSVersionInfo version(kLsbRelease, lsb_release_time); Time parsed_lsb_release_time = SysInfo::GetLsbReleaseTime(); EXPECT_DOUBLE_EQ(lsb_release_time.InSecondsFSinceUnixEpoch(), parsed_lsb_release_time.InSecondsFSinceUnixEpoch()); } TEST_F(SysInfoTest, IsRunningOnChromeOS) { { const char kLsbRelease1[] = "CHROMEOS_RELEASE_NAME=Non Chrome OS\n" "CHROMEOS_RELEASE_VERSION=1.2.3.4\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease1, Time()); EXPECT_FALSE(SysInfo::IsRunningOnChromeOS()); } { const char kLsbRelease2[] = "CHROMEOS_RELEASE_NAME=Chrome OS\n" "CHROMEOS_RELEASE_VERSION=1.2.3.4\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease2, Time()); EXPECT_TRUE(SysInfo::IsRunningOnChromeOS()); } { const char kLsbRelease3[] = "CHROMEOS_RELEASE_NAME=Chromium OS\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease3, Time()); EXPECT_TRUE(SysInfo::IsRunningOnChromeOS()); } } // Regression test for https://crbug.com/1148904. TEST_F(SysInfoTest, ScopedChromeOSVersionInfoDoesNotChangeEnvironment) { std::unique_ptr<Environment> environment = Environment::Create(); ASSERT_FALSE(environment->HasVar("LSB_RELEASE")); { const char kLsbRelease[] = "CHROMEOS_RELEASE_NAME=Chrome OS\n" "CHROMEOS_RELEASE_VERSION=1.2.3.4\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease, Time()); } EXPECT_FALSE(environment->HasVar("LSB_RELEASE")); } TEST_F(SysInfoTest, CrashOnBaseImage) { const char kLsbRelease[] = "CHROMEOS_RELEASE_NAME=Chrome OS\n" "CHROMEOS_RELEASE_VERSION=1.2.3.4\n" "CHROMEOS_RELEASE_TRACK=stable-channel\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease, Time()); EXPECT_TRUE(SysInfo::IsRunningOnChromeOS()); EXPECT_DEATH_IF_SUPPORTED({ SysInfo::CrashIfChromeOSNonTestImage(); }, ""); } TEST_F(SysInfoTest, NoCrashOnTestImage) { const char kLsbRelease[] = "CHROMEOS_RELEASE_NAME=Chrome OS\n" "CHROMEOS_RELEASE_VERSION=1.2.3.4\n" "CHROMEOS_RELEASE_TRACK=testimage-channel\n"; test::ScopedChromeOSVersionInfo version(kLsbRelease, Time()); EXPECT_TRUE(SysInfo::IsRunningOnChromeOS()); // Should not crash. SysInfo::CrashIfChromeOSNonTestImage(); } TEST_F(SysInfoTest, NoCrashOnLinuxBuild) { test::ScopedChromeOSVersionInfo version("", Time()); EXPECT_FALSE(SysInfo::IsRunningOnChromeOS()); // Should not crash. SysInfo::CrashIfChromeOSNonTestImage(); } TEST_F(SysInfoTest, ScopedRunningOnChromeOS) { // base_unittests run both on linux-chromeos and actual devices, so the // initial state of IsRunningOnChromeOS may vary. bool was_running = SysInfo::IsRunningOnChromeOS(); { test::ScopedRunningOnChromeOS running_on_chromeos; EXPECT_TRUE(SysInfo::IsRunningOnChromeOS()); } // Previous value restored. EXPECT_EQ(was_running, SysInfo::IsRunningOnChromeOS()); } #endif // BUILDFLAG(IS_CHROMEOS) } // namespace base
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