Break apart header files.

Create libart-gtest for common runtime and compiler gtest routines.
Rename CompilerCallbacksImpl that is quick compiler specific.
Rename trace clock source constants to not use the overloaded profiler term.

Change-Id: I4aac4bdc7e7850c68335f81e59a390133b54e933
diff --git a/runtime/common_runtime_test.cc b/runtime/common_runtime_test.cc
index 0ed8b63..f47f13d 100644
--- a/runtime/common_runtime_test.cc
+++ b/runtime/common_runtime_test.cc
@@ -14,8 +14,31 @@
  * limitations under the License.
  */
 
+#include "common_runtime_test.h"
+
+#include <dirent.h>
+#include <dlfcn.h>
+#include <fcntl.h>
+#include <ScopedLocalRef.h>
+
+#include "../../external/icu/icu4c/source/common/unicode/uvernum.h"
 #include "base/logging.h"
+#include "base/stl_util.h"
+#include "base/stringprintf.h"
+#include "base/unix_file/fd_file.h"
+#include "class_linker.h"
+#include "compiler_callbacks.h"
+#include "dex_file.h"
+#include "gc/heap.h"
 #include "gtest/gtest.h"
+#include "jni_internal.h"
+#include "mirror/class_loader.h"
+#include "noop_compiler_callbacks.h"
+#include "os.h"
+#include "runtime-inl.h"
+#include "scoped_thread_state_change.h"
+#include "thread.h"
+#include "well_known_classes.h"
 
 int main(int argc, char **argv) {
   art::InitLogging(argv);
@@ -23,3 +46,293 @@
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }
+
+namespace art {
+
+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);
+  file_.reset(new File(fd, GetFilename()));
+}
+
+ScratchFile::ScratchFile(const ScratchFile& other, const char* suffix) {
+  filename_ = other.GetFilename();
+  filename_ += suffix;
+  int fd = open(filename_.c_str(), O_RDWR | O_CREAT, 0666);
+  CHECK_NE(-1, fd);
+  file_.reset(new File(fd, GetFilename()));
+}
+
+ScratchFile::ScratchFile(File* file) {
+  CHECK(file != NULL);
+  filename_ = file->GetPath();
+  file_.reset(file);
+}
+
+ScratchFile::~ScratchFile() {
+  Unlink();
+}
+
+int ScratchFile::GetFd() const {
+  return file_->Fd();
+}
+
+void ScratchFile::Unlink() {
+  if (!OS::FileExists(filename_.c_str())) {
+    return;
+  }
+  int unlink_result = unlink(filename_.c_str());
+  CHECK_EQ(0, unlink_result);
+}
+
+CommonRuntimeTest::CommonRuntimeTest() {}
+CommonRuntimeTest::~CommonRuntimeTest() {}
+
+void CommonRuntimeTest::SetEnvironmentVariables(std::string& android_data) {
+  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);
+    }
+  }
+
+  // On target, Cannot use /mnt/sdcard because it is mounted noexec, so use subdir of dalvik-cache
+  android_data = (IsHost() ? "/tmp/art-data-XXXXXX" : "/data/dalvik-cache/art-data-XXXXXX");
+  if (mkdtemp(&android_data[0]) == nullptr) {
+    PLOG(FATAL) << "mkdtemp(\"" << &android_data[0] << "\") failed";
+  }
+  setenv("ANDROID_DATA", android_data.c_str(), 1);
+}
+
+const DexFile* CommonRuntimeTest::LoadExpectSingleDexFile(const char* location) {
+  std::vector<const DexFile*> dex_files;
+  std::string error_msg;
+  if (!DexFile::Open(location, location, &error_msg, &dex_files)) {
+    LOG(FATAL) << "Could not open .dex file '" << location << "': " << error_msg << "\n";
+    return nullptr;
+  } else {
+    CHECK_EQ(1U, dex_files.size()) << "Expected only one dex file in " << location;
+    return dex_files[0];
+  }
+}
+
+void CommonRuntimeTest::SetUp() {
+  SetEnvironmentVariables(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);
+
+  std::string error_msg;
+  java_lang_dex_file_ = LoadExpectSingleDexFile(GetLibCoreDexFileName().c_str());
+  boot_class_path_.push_back(java_lang_dex_file_);
+
+  std::string min_heap_string(StringPrintf("-Xms%zdm", gc::Heap::kDefaultInitialSize / MB));
+  std::string max_heap_string(StringPrintf("-Xmx%zdm", gc::Heap::kDefaultMaximumSize / MB));
+
+  callbacks_.reset(new NoopCompilerCallbacks());
+
+  RuntimeOptions options;
+  options.push_back(std::make_pair("bootclasspath", &boot_class_path_));
+  options.push_back(std::make_pair("-Xcheck:jni", nullptr));
+  options.push_back(std::make_pair(min_heap_string.c_str(), nullptr));
+  options.push_back(std::make_pair(max_heap_string.c_str(), nullptr));
+  options.push_back(std::make_pair("compilercallbacks", callbacks_.get()));
+  SetUpRuntimeOptions(&options);
+  if (!Runtime::Create(options, false)) {
+    LOG(FATAL) << "Failed to create runtime";
+    return;
+  }
+  runtime_.reset(Runtime::Current());
+  class_linker_ = runtime_->GetClassLinker();
+  class_linker_->FixupDexCaches(runtime_->GetResolutionMethod());
+  class_linker_->RunRootClinits();
+
+  // Runtime::Create acquired the mutator_lock_ that is normally given away when we
+  // Runtime::Start, give it away now and then switch to a more managable ScopedObjectAccess.
+  Thread::Current()->TransitionFromRunnableToSuspended(kNative);
+
+  // We're back in native, take the opportunity to initialize well known classes.
+  WellKnownClasses::Init(Thread::Current()->GetJniEnv());
+
+  // Create the heap thread pool so that the GC runs in parallel for tests. Normally, the thread
+  // pool is created by the runtime.
+  runtime_->GetHeap()->CreateThreadPool();
+  runtime_->GetHeap()->VerifyHeap();  // Check for heap corruption before the test
+}
+
+void CommonRuntimeTest::TearDown() {
+  const char* android_data = getenv("ANDROID_DATA");
+  ASSERT_TRUE(android_data != nullptr);
+  DIR* dir = opendir(dalvik_cache_.c_str());
+  ASSERT_TRUE(dir != nullptr);
+  dirent* e;
+  while ((e = readdir(dir)) != nullptr) {
+    if ((strcmp(e->d_name, ".") == 0) || (strcmp(e->d_name, "..") == 0)) {
+      continue;
+    }
+    std::string filename(dalvik_cache_);
+    filename.push_back('/');
+    filename.append(e->d_name);
+    int unlink_result = unlink(filename.c_str());
+    ASSERT_EQ(0, unlink_result);
+  }
+  closedir(dir);
+  int rmdir_cache_result = rmdir(dalvik_cache_.c_str());
+  ASSERT_EQ(0, rmdir_cache_result);
+  int rmdir_data_result = rmdir(android_data_.c_str());
+  ASSERT_EQ(0, rmdir_data_result);
+
+  // icu4c has a fixed 10-element array "gCommonICUDataArray".
+  // If we run > 10 tests, we fill that array and u_setCommonData fails.
+  // There's a function to clear the array, but it's not public...
+  typedef void (*IcuCleanupFn)();
+  void* sym = dlsym(RTLD_DEFAULT, "u_cleanup_" U_ICU_VERSION_SHORT);
+  CHECK(sym != nullptr) << dlerror();
+  IcuCleanupFn icu_cleanup_fn = reinterpret_cast<IcuCleanupFn>(sym);
+  (*icu_cleanup_fn)();
+
+  STLDeleteElements(&opened_dex_files_);
+
+  Runtime::Current()->GetHeap()->VerifyHeap();  // Check for heap corruption after the test
+}
+
+std::string CommonRuntimeTest::GetLibCoreDexFileName() {
+  return GetDexFileName("core-libart");
+}
+
+std::string CommonRuntimeTest::GetDexFileName(const std::string& jar_prefix) {
+  if (IsHost()) {
+    const char* host_dir = getenv("ANDROID_HOST_OUT");
+    CHECK(host_dir != nullptr);
+    return StringPrintf("%s/framework/%s-hostdex.jar", host_dir, jar_prefix.c_str());
+  }
+  return StringPrintf("%s/framework/%s.jar", GetAndroidRoot(), jar_prefix.c_str());
+}
+
+std::string CommonRuntimeTest::GetTestAndroidRoot() {
+  if (IsHost()) {
+    const char* host_dir = getenv("ANDROID_HOST_OUT");
+    CHECK(host_dir != nullptr);
+    return host_dir;
+  }
+  return GetAndroidRoot();
+}
+
+std::vector<const DexFile*> CommonRuntimeTest::OpenTestDexFiles(const char* name) {
+  CHECK(name != nullptr);
+  std::string filename;
+  if (IsHost()) {
+    filename += getenv("ANDROID_HOST_OUT");
+    filename += "/framework/";
+  } else {
+    filename += "/data/nativetest/art/";
+  }
+  filename += "art-gtest-";
+  filename += name;
+  filename += ".jar";
+  std::string error_msg;
+  std::vector<const DexFile*> dex_files;
+  bool success = DexFile::Open(filename.c_str(), filename.c_str(), &error_msg, &dex_files);
+  CHECK(success) << "Failed to open '" << filename << "': " << error_msg;
+  for (const DexFile* dex_file : dex_files) {
+    CHECK_EQ(PROT_READ, dex_file->GetPermissions());
+    CHECK(dex_file->IsReadOnly());
+  }
+  opened_dex_files_.insert(opened_dex_files_.end(), dex_files.begin(), dex_files.end());
+  return dex_files;
+}
+
+const DexFile* CommonRuntimeTest::OpenTestDexFile(const char* name) {
+  std::vector<const DexFile*> vector = OpenTestDexFiles(name);
+  EXPECT_EQ(1U, vector.size());
+  return vector[0];
+}
+
+jobject CommonRuntimeTest::LoadDex(const char* dex_name) {
+  std::vector<const DexFile*> dex_files = OpenTestDexFiles(dex_name);
+  CHECK_NE(0U, dex_files.size());
+  for (const DexFile* dex_file : dex_files) {
+    class_linker_->RegisterDexFile(*dex_file);
+  }
+  ScopedObjectAccessUnchecked soa(Thread::Current());
+  ScopedLocalRef<jobject> class_loader_local(soa.Env(),
+      soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader));
+  jobject class_loader = soa.Env()->NewGlobalRef(class_loader_local.get());
+  soa.Self()->SetClassLoaderOverride(soa.Decode<mirror::ClassLoader*>(class_loader_local.get()));
+  Runtime::Current()->SetCompileTimeClassPath(class_loader, dex_files);
+  return class_loader;
+}
+
+CheckJniAbortCatcher::CheckJniAbortCatcher() : vm_(Runtime::Current()->GetJavaVM()) {
+  vm_->check_jni_abort_hook = Hook;
+  vm_->check_jni_abort_hook_data = &actual_;
+}
+
+CheckJniAbortCatcher::~CheckJniAbortCatcher() {
+  vm_->check_jni_abort_hook = nullptr;
+  vm_->check_jni_abort_hook_data = nullptr;
+  EXPECT_TRUE(actual_.empty()) << actual_;
+}
+
+void CheckJniAbortCatcher::Check(const char* expected_text) {
+  EXPECT_TRUE(actual_.find(expected_text) != std::string::npos) << "\n"
+      << "Expected to find: " << expected_text << "\n"
+      << "In the output   : " << actual_;
+  actual_.clear();
+}
+
+void CheckJniAbortCatcher::Hook(void* data, const std::string& reason) {
+  // We use += because when we're hooking the aborts like this, multiple problems can be found.
+  *reinterpret_cast<std::string*>(data) += reason;
+}
+
+}  // namespace art
+
+namespace std {
+
+template <typename T>
+std::ostream& operator<<(std::ostream& os, const std::vector<T>& rhs) {
+os << ::art::ToString(rhs);
+return os;
+}
+
+}  // namespace std