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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "common_art_test.h"
#include <dirent.h>
#include <dlfcn.h>
#include <fcntl.h>
#include <stdlib.h>
#include <cstdio>
#include "nativehelper/scoped_local_ref.h"
#include "android-base/stringprintf.h"
#include <unicode/uvernum.h>
#include "art_field-inl.h"
#include "base/file_utils.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/mem_map.h"
#include "base/mutex.h"
#include "base/os.h"
#include "base/runtime_debug.h"
#include "base/stl_util.h"
#include "base/unix_file/fd_file.h"
#include "dex/art_dex_file_loader.h"
#include "dex/dex_file-inl.h"
#include "dex/dex_file_loader.h"
#include "dex/primitive.h"
#include "gtest/gtest.h"
namespace art {
using android::base::StringPrintf;
ScratchFile::ScratchFile() {
// ANDROID_DATA needs to be set
CHECK_NE(static_cast<char*>(nullptr), getenv("ANDROID_DATA")) <<
"Are you subclassing RuntimeTest?";
filename_ = getenv("ANDROID_DATA");
filename_ += "/TmpFile-XXXXXX";
int fd = mkstemp(&filename_[0]);
CHECK_NE(-1, fd) << strerror(errno) << " for " << filename_;
file_.reset(new File(fd, GetFilename(), true));
}
ScratchFile::ScratchFile(const ScratchFile& other, const char* suffix)
: ScratchFile(other.GetFilename() + suffix) {}
ScratchFile::ScratchFile(const std::string& filename) : filename_(filename) {
int fd = open(filename_.c_str(), O_RDWR | O_CREAT, 0666);
CHECK_NE(-1, fd);
file_.reset(new File(fd, GetFilename(), true));
}
ScratchFile::ScratchFile(File* file) {
CHECK(file != nullptr);
filename_ = file->GetPath();
file_.reset(file);
}
ScratchFile::ScratchFile(ScratchFile&& other) {
*this = std::move(other);
}
ScratchFile& ScratchFile::operator=(ScratchFile&& other) {
if (GetFile() != other.GetFile()) {
std::swap(filename_, other.filename_);
std::swap(file_, other.file_);
}
return *this;
}
ScratchFile::~ScratchFile() {
Unlink();
}
int ScratchFile::GetFd() const {
return file_->Fd();
}
void ScratchFile::Close() {
if (file_.get() != nullptr) {
if (file_->FlushCloseOrErase() != 0) {
PLOG(WARNING) << "Error closing scratch file.";
}
}
}
void ScratchFile::Unlink() {
if (!OS::FileExists(filename_.c_str())) {
return;
}
Close();
int unlink_result = unlink(filename_.c_str());
CHECK_EQ(0, unlink_result);
}
void CommonArtTestImpl::SetUpAndroidRoot() {
if (IsHost()) {
// $ANDROID_ROOT is set on the device, but not necessarily on the host.
// But it needs to be set so that icu4c can find its locale data.
const char* android_root_from_env = getenv("ANDROID_ROOT");
if (android_root_from_env == nullptr) {
// Use ANDROID_HOST_OUT for ANDROID_ROOT if it is set.
const char* android_host_out = getenv("ANDROID_HOST_OUT");
if (android_host_out != nullptr) {
setenv("ANDROID_ROOT", android_host_out, 1);
} else {
// Build it from ANDROID_BUILD_TOP or cwd
std::string root;
const char* android_build_top = getenv("ANDROID_BUILD_TOP");
if (android_build_top != nullptr) {
root += android_build_top;
} else {
// Not set by build server, so default to current directory
char* cwd = getcwd(nullptr, 0);
setenv("ANDROID_BUILD_TOP", cwd, 1);
root += cwd;
free(cwd);
}
#if defined(__linux__)
root += "/out/host/linux-x86";
#elif defined(__APPLE__)
root += "/out/host/darwin-x86";
#else
#error unsupported OS
#endif
setenv("ANDROID_ROOT", root.c_str(), 1);
}
}
setenv("LD_LIBRARY_PATH", ":", 0); // Required by java.lang.System.<clinit>.
// Not set by build server, so default
if (getenv("ANDROID_HOST_OUT") == nullptr) {
setenv("ANDROID_HOST_OUT", getenv("ANDROID_ROOT"), 1);
}
}
}
void CommonArtTestImpl::SetUpAndroidData(std::string& android_data) {
// On target, Cannot use /mnt/sdcard because it is mounted noexec, so use subdir of dalvik-cache
if (IsHost()) {
const char* tmpdir = getenv("TMPDIR");
if (tmpdir != nullptr && tmpdir[0] != 0) {
android_data = tmpdir;
} else {
android_data = "/tmp";
}
} else {
android_data = "/data/dalvik-cache";
}
android_data += "/art-data-XXXXXX";
if (mkdtemp(&android_data[0]) == nullptr) {
PLOG(FATAL) << "mkdtemp(\"" << &android_data[0] << "\") failed";
}
setenv("ANDROID_DATA", android_data.c_str(), 1);
}
void CommonArtTestImpl::SetUp() {
SetUpAndroidRoot();
SetUpAndroidData(android_data_);
dalvik_cache_.append(android_data_.c_str());
dalvik_cache_.append("/dalvik-cache");
int mkdir_result = mkdir(dalvik_cache_.c_str(), 0700);
ASSERT_EQ(mkdir_result, 0);
}
void CommonArtTestImpl::TearDownAndroidData(const std::string& android_data, bool fail_on_error) {
if (fail_on_error) {
ASSERT_EQ(rmdir(android_data.c_str()), 0);
} else {
rmdir(android_data.c_str());
}
}
// Helper - find directory with the following format:
// ${ANDROID_BUILD_TOP}/${subdir1}/${subdir2}-${version}/${subdir3}/bin/
std::string CommonArtTestImpl::GetAndroidToolsDir(const std::string& subdir1,
const std::string& subdir2,
const std::string& subdir3) {
std::string root;
const char* android_build_top = getenv("ANDROID_BUILD_TOP");
if (android_build_top != nullptr) {
root = android_build_top;
} else {
// Not set by build server, so default to current directory
char* cwd = getcwd(nullptr, 0);
setenv("ANDROID_BUILD_TOP", cwd, 1);
root = cwd;
free(cwd);
}
std::string toolsdir = root + "/" + subdir1;
std::string founddir;
DIR* dir;
if ((dir = opendir(toolsdir.c_str())) != nullptr) {
float maxversion = 0;
struct dirent* entry;
while ((entry = readdir(dir)) != nullptr) {
std::string format = subdir2 + "-%f";
float version;
if (std::sscanf(entry->d_name, format.c_str(), &version) == 1) {
if (version > maxversion) {
maxversion = version;
founddir = toolsdir + "/" + entry->d_name + "/" + subdir3 + "/bin/";
}
}
}
closedir(dir);
}
if (founddir.empty()) {
ADD_FAILURE() << "Cannot find Android tools directory.";
}
return founddir;
}
std::string CommonArtTestImpl::GetAndroidHostToolsDir() {
return GetAndroidToolsDir("prebuilts/gcc/linux-x86/host",
"x86_64-linux-glibc2.15",
"x86_64-linux");
}
std::string CommonArtTestImpl::GetCoreArtLocation() {
return GetCoreFileLocation("art");
}
std::string CommonArtTestImpl::GetCoreOatLocation() {
return GetCoreFileLocation("oat");
}
std::unique_ptr<const DexFile> CommonArtTestImpl::LoadExpectSingleDexFile(const char* location) {
std::vector<std::unique_ptr<const DexFile>> dex_files;
std::string error_msg;
MemMap::Init();
static constexpr bool kVerifyChecksum = true;
const ArtDexFileLoader dex_file_loader;
if (!dex_file_loader.Open(
location, location, /* verify */ true, kVerifyChecksum, &error_msg, &dex_files)) {
LOG(FATAL) << "Could not open .dex file '" << location << "': " << error_msg << "\n";
UNREACHABLE();
} else {
CHECK_EQ(1U, dex_files.size()) << "Expected only one dex file in " << location;
return std::move(dex_files[0]);
}
}
void CommonArtTestImpl::ClearDirectory(const char* dirpath, bool recursive) {
ASSERT_TRUE(dirpath != nullptr);
DIR* dir = opendir(dirpath);
ASSERT_TRUE(dir != nullptr);
dirent* e;
struct stat s;
while ((e = readdir(dir)) != nullptr) {
if ((strcmp(e->d_name, ".") == 0) || (strcmp(e->d_name, "..") == 0)) {
continue;
}
std::string filename(dirpath);
filename.push_back('/');
filename.append(e->d_name);
int stat_result = lstat(filename.c_str(), &s);
ASSERT_EQ(0, stat_result) << "unable to stat " << filename;
if (S_ISDIR(s.st_mode)) {
if (recursive) {
ClearDirectory(filename.c_str());
int rmdir_result = rmdir(filename.c_str());
ASSERT_EQ(0, rmdir_result) << filename;
}
} else {
int unlink_result = unlink(filename.c_str());
ASSERT_EQ(0, unlink_result) << filename;
}
}
closedir(dir);
}
void CommonArtTestImpl::TearDown() {
const char* android_data = getenv("ANDROID_DATA");
ASSERT_TRUE(android_data != nullptr);
ClearDirectory(dalvik_cache_.c_str());
int rmdir_cache_result = rmdir(dalvik_cache_.c_str());
ASSERT_EQ(0, rmdir_cache_result);
TearDownAndroidData(android_data_, true);
dalvik_cache_.clear();
}
static std::string GetDexFileName(const std::string& jar_prefix, bool host) {
std::string path;
if (host) {
const char* host_dir = getenv("ANDROID_HOST_OUT");
CHECK(host_dir != nullptr);
path = host_dir;
} else {
path = GetAndroidRoot();
}
std::string suffix = host
? "-hostdex" // The host version.
: "-testdex"; // The unstripped target version.
return StringPrintf("%s/framework/%s%s.jar", path.c_str(), jar_prefix.c_str(), suffix.c_str());
}
std::vector<std::string> CommonArtTestImpl::GetLibCoreDexFileNames() {
return std::vector<std::string>({GetDexFileName("core-oj", IsHost()),
GetDexFileName("core-libart", IsHost())});
}
std::string CommonArtTestImpl::GetTestAndroidRoot() {
if (IsHost()) {
const char* host_dir = getenv("ANDROID_HOST_OUT");
CHECK(host_dir != nullptr);
return host_dir;
}
return GetAndroidRoot();
}
// Check that for target builds we have ART_TARGET_NATIVETEST_DIR set.
#ifdef ART_TARGET
#ifndef ART_TARGET_NATIVETEST_DIR
#error "ART_TARGET_NATIVETEST_DIR not set."
#endif
// Wrap it as a string literal.
#define ART_TARGET_NATIVETEST_DIR_STRING STRINGIFY(ART_TARGET_NATIVETEST_DIR) "/"
#else
#define ART_TARGET_NATIVETEST_DIR_STRING ""
#endif
std::string CommonArtTestImpl::GetTestDexFileName(const char* name) const {
CHECK(name != nullptr);
std::string filename;
if (IsHost()) {
filename += getenv("ANDROID_HOST_OUT");
filename += "/framework/";
} else {
filename += ART_TARGET_NATIVETEST_DIR_STRING;
}
filename += "art-gtest-";
filename += name;
filename += ".jar";
return filename;
}
std::vector<std::unique_ptr<const DexFile>> CommonArtTestImpl::OpenDexFiles(const char* filename) {
static constexpr bool kVerify = true;
static constexpr bool kVerifyChecksum = true;
std::string error_msg;
const ArtDexFileLoader dex_file_loader;
std::vector<std::unique_ptr<const DexFile>> dex_files;
bool success = dex_file_loader.Open(filename,
filename,
kVerify,
kVerifyChecksum,
&error_msg,
&dex_files);
CHECK(success) << "Failed to open '" << filename << "': " << error_msg;
for (auto& dex_file : dex_files) {
CHECK_EQ(PROT_READ, dex_file->GetPermissions());
CHECK(dex_file->IsReadOnly());
}
return dex_files;
}
std::vector<std::unique_ptr<const DexFile>> CommonArtTestImpl::OpenTestDexFiles(
const char* name) {
return OpenDexFiles(GetTestDexFileName(name).c_str());
}
std::unique_ptr<const DexFile> CommonArtTestImpl::OpenTestDexFile(const char* name) {
std::vector<std::unique_ptr<const DexFile>> vector = OpenTestDexFiles(name);
EXPECT_EQ(1U, vector.size());
return std::move(vector[0]);
}
std::string CommonArtTestImpl::GetCoreFileLocation(const char* suffix) {
CHECK(suffix != nullptr);
std::string location;
if (IsHost()) {
const char* host_dir = getenv("ANDROID_HOST_OUT");
CHECK(host_dir != nullptr);
location = StringPrintf("%s/framework/core.%s", host_dir, suffix);
} else {
location = StringPrintf("/data/art-test/core.%s", suffix);
}
return location;
}
std::string CommonArtTestImpl::CreateClassPath(
const std::vector<std::unique_ptr<const DexFile>>& dex_files) {
CHECK(!dex_files.empty());
std::string classpath = dex_files[0]->GetLocation();
for (size_t i = 1; i < dex_files.size(); i++) {
classpath += ":" + dex_files[i]->GetLocation();
}
return classpath;
}
std::string CommonArtTestImpl::CreateClassPathWithChecksums(
const std::vector<std::unique_ptr<const DexFile>>& dex_files) {
CHECK(!dex_files.empty());
std::string classpath = dex_files[0]->GetLocation() + "*" +
std::to_string(dex_files[0]->GetLocationChecksum());
for (size_t i = 1; i < dex_files.size(); i++) {
classpath += ":" + dex_files[i]->GetLocation() + "*" +
std::to_string(dex_files[i]->GetLocationChecksum());
}
return classpath;
}
} // namespace art