v8/test/cctest/cctest.cc
Clemens Backes 00a341994f [cctest] Use v8_flags for accessing flag values
Avoid the deprecated FLAG_* syntax, access flag values via the
{v8_flags} struct instead.

R=mliedtke@chromium.org

Bug: v8:12887
Change-Id: I417eee6311fadef9b60043cfc9a42926859c7ab9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3899304
Reviewed-by: Matthias Liedtke <mliedtke@chromium.org>
Commit-Queue: Matthias Liedtke <mliedtke@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83247}
2022-09-16 08:22:03 +00:00

559 lines
20 KiB
C++

// Copyright 2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "test/cctest/cctest.h"
#include "include/cppgc/platform.h"
#include "include/libplatform/libplatform.h"
#include "include/v8-array-buffer.h"
#include "include/v8-context.h"
#include "include/v8-function.h"
#include "include/v8-isolate.h"
#include "include/v8-local-handle.h"
#include "include/v8-locker.h"
#include "src/base/lazy-instance.h"
#include "src/base/logging.h"
#include "src/base/platform/condition-variable.h"
#include "src/base/platform/mutex.h"
#include "src/base/platform/semaphore.h"
#include "src/base/strings.h"
#include "src/codegen/compiler.h"
#include "src/codegen/optimized-compilation-info.h"
#include "src/common/globals.h"
#include "src/compiler/pipeline.h"
#include "src/flags/flags.h"
#include "src/objects/objects-inl.h"
#include "src/trap-handler/trap-handler.h"
#include "test/cctest/print-extension.h"
#include "test/cctest/profiler-extension.h"
#include "test/cctest/trace-extension.h"
#ifdef V8_USE_PERFETTO
#include "src/tracing/trace-event.h"
#endif // V8_USE_PERFETTO
#if V8_OS_WIN
#include <windows.h>
#if V8_CC_MSVC
#include <crtdbg.h>
#endif
#endif
enum InitializationState { kUnset, kUninitialized, kInitialized };
static InitializationState initialization_state_ = kUnset;
static v8::base::LazyInstance<CcTestMapType>::type g_cctests =
LAZY_INSTANCE_INITIALIZER;
std::unordered_map<std::string, CcTest*>* tests_ =
new std::unordered_map<std::string, CcTest*>();
bool CcTest::initialize_called_ = false;
v8::base::Atomic32 CcTest::isolate_used_ = 0;
v8::ArrayBuffer::Allocator* CcTest::allocator_ = nullptr;
v8::Isolate* CcTest::isolate_ = nullptr;
v8::Platform* CcTest::default_platform_ = nullptr;
CcTest::CcTest(TestFunction* callback, const char* file, const char* name,
bool enabled, bool initialize,
TestPlatformFactory* test_platform_factory)
: callback_(callback),
initialize_(initialize),
test_platform_factory_(test_platform_factory) {
// Find the base name of this test (const_cast required on Windows).
char *basename = strrchr(const_cast<char *>(file), '/');
if (!basename) {
basename = strrchr(const_cast<char *>(file), '\\');
}
if (!basename) {
basename = v8::internal::StrDup(file);
} else {
basename = v8::internal::StrDup(basename + 1);
}
// Drop the extension, if there is one.
char *extension = strrchr(basename, '.');
if (extension) *extension = 0;
// Install this test in the list of tests
if (enabled) {
auto it =
g_cctests.Pointer()->emplace(std::string(basename) + "/" + name, this);
CHECK_WITH_MSG(it.second, "Test with same name already exists");
}
v8::internal::DeleteArray(basename);
}
void CcTest::Run(const char* snapshot_directory) {
v8::V8::InitializeICUDefaultLocation(snapshot_directory);
std::unique_ptr<v8::Platform> underlying_default_platform(
v8::platform::NewDefaultPlatform());
default_platform_ = underlying_default_platform.get();
std::unique_ptr<v8::Platform> platform;
if (test_platform_factory_) {
platform = test_platform_factory_();
} else {
platform = std::move(underlying_default_platform);
}
v8::V8::InitializePlatform(platform.get());
cppgc::InitializeProcess(platform->GetPageAllocator());
// Allow changing flags in cctests.
// TODO(12887): Fix tests to avoid changing flag values after initialization.
i::v8_flags.freeze_flags_after_init = false;
v8::V8::Initialize();
v8::V8::InitializeExternalStartupData(snapshot_directory);
#if V8_ENABLE_WEBASSEMBLY && V8_TRAP_HANDLER_SUPPORTED
constexpr bool kUseDefaultTrapHandler = true;
CHECK(v8::V8::EnableWebAssemblyTrapHandler(kUseDefaultTrapHandler));
#endif // V8_ENABLE_WEBASSEMBLY && V8_TRAP_HANDLER_SUPPORTED
CcTest::set_array_buffer_allocator(
v8::ArrayBuffer::Allocator::NewDefaultAllocator());
v8::RegisterExtension(std::make_unique<i::PrintExtension>());
v8::RegisterExtension(std::make_unique<i::ProfilerExtension>());
v8::RegisterExtension(std::make_unique<i::TraceExtension>());
if (!initialize_) {
CHECK_NE(initialization_state_, kInitialized);
initialization_state_ = kUninitialized;
CHECK_NULL(isolate_);
} else {
CHECK_NE(initialization_state_, kUninitialized);
initialization_state_ = kInitialized;
CHECK_NULL(isolate_);
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = allocator_;
isolate_ = v8::Isolate::New(create_params);
isolate_->Enter();
}
#ifdef DEBUG
const size_t active_isolates = i::Isolate::non_disposed_isolates();
#endif // DEBUG
callback_();
#ifdef DEBUG
// This DCHECK ensures that all Isolates are properly disposed after finishing
// the test. Stray Isolates lead to stray tasks in the platform which can
// interact weirdly when swapping in new platforms (for testing) or during
// shutdown.
DCHECK_EQ(active_isolates, i::Isolate::non_disposed_isolates());
#endif // DEBUG
if (initialize_) {
if (i_isolate()->was_locker_ever_used()) {
v8::Locker locker(isolate_);
EmptyMessageQueues(isolate_);
} else {
EmptyMessageQueues(isolate_);
}
isolate_->Exit();
isolate_->Dispose();
isolate_ = nullptr;
} else {
CHECK_NULL(isolate_);
}
v8::V8::Dispose();
cppgc::ShutdownProcess();
v8::V8::DisposePlatform();
}
i::Heap* CcTest::heap() { return i_isolate()->heap(); }
i::ReadOnlyHeap* CcTest::read_only_heap() {
return i_isolate()->read_only_heap();
}
void CcTest::AddGlobalFunction(v8::Local<v8::Context> env, const char* name,
v8::FunctionCallback callback) {
v8::Local<v8::FunctionTemplate> func_template =
v8::FunctionTemplate::New(isolate_, callback);
v8::Local<v8::Function> func =
func_template->GetFunction(env).ToLocalChecked();
func->SetName(v8_str(name));
env->Global()->Set(env, v8_str(name), func).FromJust();
}
void CcTest::CollectGarbage(i::AllocationSpace space, i::Isolate* isolate) {
i::Isolate* iso = isolate ? isolate : i_isolate();
iso->heap()->CollectGarbage(space, i::GarbageCollectionReason::kTesting);
}
void CcTest::CollectAllGarbage(i::Isolate* isolate) {
i::Isolate* iso = isolate ? isolate : i_isolate();
iso->heap()->CollectAllGarbage(i::Heap::kNoGCFlags,
i::GarbageCollectionReason::kTesting);
}
void CcTest::CollectAllAvailableGarbage(i::Isolate* isolate) {
i::Isolate* iso = isolate ? isolate : i_isolate();
iso->heap()->CollectAllAvailableGarbage(i::GarbageCollectionReason::kTesting);
}
void CcTest::PreciseCollectAllGarbage(i::Isolate* isolate) {
i::Isolate* iso = isolate ? isolate : i_isolate();
iso->heap()->PreciseCollectAllGarbage(i::Heap::kNoGCFlags,
i::GarbageCollectionReason::kTesting);
}
void CcTest::CollectSharedGarbage(i::Isolate* isolate) {
i::Isolate* iso = isolate ? isolate : i_isolate();
iso->heap()->CollectSharedGarbage(i::GarbageCollectionReason::kTesting);
}
i::Handle<i::String> CcTest::MakeString(const char* str) {
i::Isolate* isolate = CcTest::i_isolate();
i::Factory* factory = isolate->factory();
return factory->InternalizeUtf8String(str);
}
i::Handle<i::String> CcTest::MakeName(const char* str, int suffix) {
v8::base::EmbeddedVector<char, 128> buffer;
v8::base::SNPrintF(buffer, "%s%d", str, suffix);
return CcTest::MakeString(buffer.begin());
}
v8::base::RandomNumberGenerator* CcTest::random_number_generator() {
return InitIsolateOnce()->random_number_generator();
}
v8::Local<v8::Object> CcTest::global() {
return isolate()->GetCurrentContext()->Global();
}
void CcTest::InitializeVM() {
CHECK(!v8::base::Relaxed_Load(&isolate_used_));
CHECK(!initialize_called_);
initialize_called_ = true;
v8::HandleScope handle_scope(CcTest::isolate());
v8::Context::New(CcTest::isolate())->Enter();
}
v8::Local<v8::Context> CcTest::NewContext(CcTestExtensionFlags extension_flags,
v8::Isolate* isolate) {
const char* extension_names[kMaxExtensions];
int extension_count = 0;
for (int i = 0; i < kMaxExtensions; ++i) {
if (!extension_flags.contains(static_cast<CcTestExtensionId>(i))) continue;
extension_names[extension_count] = kExtensionName[i];
++extension_count;
}
v8::ExtensionConfiguration config(extension_count, extension_names);
v8::Local<v8::Context> context = v8::Context::New(isolate, &config);
CHECK(!context.IsEmpty());
return context;
}
LocalContext::~LocalContext() {
v8::HandleScope scope(isolate_);
v8::Local<v8::Context>::New(isolate_, context_)->Exit();
context_.Reset();
}
void LocalContext::Initialize(v8::Isolate* isolate,
v8::ExtensionConfiguration* extensions,
v8::Local<v8::ObjectTemplate> global_template,
v8::Local<v8::Value> global_object) {
v8::HandleScope scope(isolate);
v8::Local<v8::Context> context =
v8::Context::New(isolate, extensions, global_template, global_object);
context_.Reset(isolate, context);
context->Enter();
// We can't do this later perhaps because of a fatal error.
isolate_ = isolate;
}
// This indirection is needed because HandleScopes cannot be heap-allocated, and
// we don't want any unnecessary #includes in cctest.h.
class V8_NODISCARD InitializedHandleScopeImpl {
public:
explicit InitializedHandleScopeImpl(i::Isolate* isolate)
: handle_scope_(isolate) {}
private:
i::HandleScope handle_scope_;
};
InitializedHandleScope::InitializedHandleScope(i::Isolate* isolate)
: main_isolate_(isolate ? isolate : CcTest::InitIsolateOnce()),
initialized_handle_scope_impl_(
new InitializedHandleScopeImpl(main_isolate_)) {}
InitializedHandleScope::~InitializedHandleScope() = default;
HandleAndZoneScope::HandleAndZoneScope(bool support_zone_compression)
: main_zone_(
new i::Zone(&allocator_, ZONE_NAME, support_zone_compression)) {}
HandleAndZoneScope::~HandleAndZoneScope() = default;
i::Handle<i::JSFunction> Optimize(
i::Handle<i::JSFunction> function, i::Zone* zone, i::Isolate* isolate,
uint32_t flags, std::unique_ptr<i::compiler::JSHeapBroker>* out_broker) {
i::Handle<i::SharedFunctionInfo> shared(function->shared(), isolate);
i::IsCompiledScope is_compiled_scope(shared->is_compiled_scope(isolate));
CHECK(is_compiled_scope.is_compiled() ||
i::Compiler::Compile(isolate, function, i::Compiler::CLEAR_EXCEPTION,
&is_compiled_scope));
CHECK_NOT_NULL(zone);
i::OptimizedCompilationInfo info(zone, isolate, shared, function,
i::CodeKind::TURBOFAN);
if (flags & ~i::OptimizedCompilationInfo::kInlining) UNIMPLEMENTED();
if (flags & i::OptimizedCompilationInfo::kInlining) {
info.set_inlining();
}
CHECK(info.shared_info()->HasBytecodeArray());
i::JSFunction::EnsureFeedbackVector(isolate, function, &is_compiled_scope);
i::Handle<i::CodeT> code = i::ToCodeT(
i::compiler::Pipeline::GenerateCodeForTesting(&info, isolate, out_broker)
.ToHandleChecked(),
isolate);
info.native_context().AddOptimizedCode(*code);
function->set_code(*code, v8::kReleaseStore);
return function;
}
static void PrintTestList() {
int test_num = 0;
for (const auto& entry : g_cctests.Get()) {
printf("**>Test: %s\n", entry.first.c_str());
test_num++;
}
printf("\nTotal number of tests: %d\n", test_num);
}
int main(int argc, char* argv[]) {
#if V8_OS_WIN
UINT new_flags =
SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
UINT existing_flags = SetErrorMode(new_flags);
SetErrorMode(existing_flags | new_flags);
#if V8_CC_MSVC
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_DEBUG | _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG | _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG | _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
_set_error_mode(_OUT_TO_STDERR);
#endif // V8_CC_MSVC
#endif // V8_OS_WIN
std::string usage = "Usage: " + std::string(argv[0]) + " [--list]" +
" [[V8_FLAGS] CCTEST]\n\n" + "Options:\n" +
" --list: list all cctests\n" +
" CCTEST: cctest identfier returned by --list\n" +
" V8_FLAGS: see V8 options below\n\n\n";
#ifdef V8_USE_PERFETTO
// Set up the in-process backend that the tracing controller will connect to.
perfetto::TracingInitArgs init_args;
init_args.backends = perfetto::BackendType::kInProcessBackend;
perfetto::Tracing::Initialize(init_args);
#endif // V8_USE_PERFETTO
using HelpOptions = v8::internal::FlagList::HelpOptions;
v8::internal::FlagList::SetFlagsFromCommandLine(
&argc, argv, true, HelpOptions(HelpOptions::kExit, usage.c_str()));
const char* test_arg = nullptr;
for (int i = 1; i < argc; ++i) {
const char* arg = argv[i];
if (strcmp(arg, "--list") == 0) {
PrintTestList();
return 0;
}
if (*arg == '-') {
// Ignore flags that weren't removed by SetFlagsFromCommandLine
continue;
}
if (test_arg != nullptr) {
fprintf(stderr,
"Running multiple tests in sequence is not allowed. Use "
"tools/run-tests.py instead.\n");
return 1;
}
test_arg = arg;
}
if (test_arg == nullptr) {
printf("Ran 0 tests.\n");
return 0;
}
auto it = g_cctests.Get().find(test_arg);
if (it == g_cctests.Get().end()) {
fprintf(stderr, "ERROR: Did not find test %s.\n", test_arg);
return 1;
}
CcTest* test = it->second;
test->Run(argv[0]);
return 0;
}
RegisterThreadedTest* RegisterThreadedTest::first_ = nullptr;
int RegisterThreadedTest::count_ = 0;
bool IsValidUnwrapObject(v8::Object* object) {
i::Address addr = *reinterpret_cast<i::Address*>(object);
auto instance_type = i::Internals::GetInstanceType(addr);
return (v8::base::IsInRange(instance_type,
i::Internals::kFirstJSApiObjectType,
i::Internals::kLastJSApiObjectType) ||
instance_type == i::Internals::kJSObjectType ||
instance_type == i::Internals::kJSSpecialApiObjectType);
}
ManualGCScope::ManualGCScope(i::Isolate* isolate)
: flag_concurrent_marking_(i::v8_flags.concurrent_marking),
flag_concurrent_sweeping_(i::v8_flags.concurrent_sweeping),
flag_stress_concurrent_allocation_(
i::v8_flags.stress_concurrent_allocation),
flag_stress_incremental_marking_(i::v8_flags.stress_incremental_marking),
flag_parallel_marking_(i::v8_flags.parallel_marking),
flag_detect_ineffective_gcs_near_heap_limit_(
i::v8_flags.detect_ineffective_gcs_near_heap_limit) {
// Some tests run threaded (back-to-back) and thus the GC may already be
// running by the time a ManualGCScope is created. Finalizing existing marking
// prevents any undefined/unexpected behavior.
if (isolate && isolate->heap()->incremental_marking()->IsMarking()) {
CcTest::CollectGarbage(i::OLD_SPACE, isolate);
}
i::v8_flags.concurrent_marking = false;
i::v8_flags.concurrent_sweeping = false;
i::v8_flags.stress_incremental_marking = false;
i::v8_flags.stress_concurrent_allocation = false;
// Parallel marking has a dependency on concurrent marking.
i::v8_flags.parallel_marking = false;
i::v8_flags.detect_ineffective_gcs_near_heap_limit = false;
}
ManualGCScope::~ManualGCScope() {
i::v8_flags.concurrent_marking = flag_concurrent_marking_;
i::v8_flags.concurrent_sweeping = flag_concurrent_sweeping_;
i::v8_flags.stress_concurrent_allocation = flag_stress_concurrent_allocation_;
i::v8_flags.stress_incremental_marking = flag_stress_incremental_marking_;
i::v8_flags.parallel_marking = flag_parallel_marking_;
i::v8_flags.detect_ineffective_gcs_near_heap_limit =
flag_detect_ineffective_gcs_near_heap_limit_;
}
v8::PageAllocator* TestPlatform::GetPageAllocator() {
return CcTest::default_platform()->GetPageAllocator();
}
void TestPlatform::OnCriticalMemoryPressure() {
CcTest::default_platform()->OnCriticalMemoryPressure();
}
int TestPlatform::NumberOfWorkerThreads() {
return CcTest::default_platform()->NumberOfWorkerThreads();
}
std::shared_ptr<v8::TaskRunner> TestPlatform::GetForegroundTaskRunner(
v8::Isolate* isolate) {
return CcTest::default_platform()->GetForegroundTaskRunner(isolate);
}
void TestPlatform::CallOnWorkerThread(std::unique_ptr<v8::Task> task) {
CcTest::default_platform()->CallOnWorkerThread(std::move(task));
}
void TestPlatform::CallDelayedOnWorkerThread(std::unique_ptr<v8::Task> task,
double delay_in_seconds) {
CcTest::default_platform()->CallDelayedOnWorkerThread(std::move(task),
delay_in_seconds);
}
std::unique_ptr<v8::JobHandle> TestPlatform::PostJob(
v8::TaskPriority priority, std::unique_ptr<v8::JobTask> job_task) {
return CcTest::default_platform()->PostJob(priority, std::move(job_task));
}
std::unique_ptr<v8::JobHandle> TestPlatform::CreateJob(
v8::TaskPriority priority, std::unique_ptr<v8::JobTask> job_task) {
return CcTest::default_platform()->CreateJob(priority, std::move(job_task));
}
double TestPlatform::MonotonicallyIncreasingTime() {
return CcTest::default_platform()->MonotonicallyIncreasingTime();
}
double TestPlatform::CurrentClockTimeMillis() {
return CcTest::default_platform()->CurrentClockTimeMillis();
}
bool TestPlatform::IdleTasksEnabled(v8::Isolate* isolate) {
return CcTest::default_platform()->IdleTasksEnabled(isolate);
}
v8::TracingController* TestPlatform::GetTracingController() {
return CcTest::default_platform()->GetTracingController();
}
namespace {
class ShutdownTask final : public v8::Task {
public:
ShutdownTask(v8::base::Semaphore* destruction_barrier,
v8::base::Mutex* destruction_mutex,
v8::base::ConditionVariable* destruction_condition,
bool* can_destruct)
: destruction_barrier_(destruction_barrier),
destruction_mutex_(destruction_mutex),
destruction_condition_(destruction_condition),
can_destruct_(can_destruct)
{}
void Run() final {
destruction_barrier_->Signal();
{
v8::base::MutexGuard guard(destruction_mutex_);
while (!*can_destruct_) {
destruction_condition_->Wait(destruction_mutex_);
}
}
destruction_barrier_->Signal();
}
private:
v8::base::Semaphore* const destruction_barrier_;
v8::base::Mutex* const destruction_mutex_;
v8::base::ConditionVariable* const destruction_condition_;
bool* const can_destruct_;
};
} // namespace