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// 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.
#ifndef CCTEST_H_
#define CCTEST_H_
#include "v8.h"
#ifndef TEST
#define TEST(Name) \
static void Test##Name(); \
CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true, true); \
static void Test##Name()
#endif
#ifndef UNINITIALIZED_TEST
#define UNINITIALIZED_TEST(Name) \
static void Test##Name(); \
CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true, false); \
static void Test##Name()
#endif
#ifndef DEPENDENT_TEST
#define DEPENDENT_TEST(Name, Dep) \
static void Test##Name(); \
CcTest register_test_##Name(Test##Name, __FILE__, #Name, #Dep, true, true); \
static void Test##Name()
#endif
#ifndef DISABLED_TEST
#define DISABLED_TEST(Name) \
static void Test##Name(); \
CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, false, true); \
static void Test##Name()
#endif
#define EXTENSION_LIST(V) \
V(GC_EXTENSION, "v8/gc") \
V(PRINT_EXTENSION, "v8/print") \
V(TRACE_EXTENSION, "v8/trace")
#define DEFINE_EXTENSION_ID(Name, Ident) Name##_ID,
enum CcTestExtensionIds {
EXTENSION_LIST(DEFINE_EXTENSION_ID)
kMaxExtensions
};
#undef DEFINE_EXTENSION_ID
typedef v8::internal::EnumSet<CcTestExtensionIds> CcTestExtensionFlags;
#define DEFINE_EXTENSION_FLAG(Name, Ident) \
static const CcTestExtensionFlags Name(1 << Name##_ID);
static const CcTestExtensionFlags NO_EXTENSIONS(0);
static const CcTestExtensionFlags ALL_EXTENSIONS((1 << kMaxExtensions) - 1);
EXTENSION_LIST(DEFINE_EXTENSION_FLAG)
#undef DEFINE_EXTENSION_FLAG
class CcTest {
public:
typedef void (TestFunction)();
CcTest(TestFunction* callback, const char* file, const char* name,
const char* dependency, bool enabled, bool initialize);
void Run();
static CcTest* last() { return last_; }
CcTest* prev() { return prev_; }
const char* file() { return file_; }
const char* name() { return name_; }
const char* dependency() { return dependency_; }
bool enabled() { return enabled_; }
static v8::Isolate* isolate() {
CHECK(isolate_ != NULL);
isolate_used_ = true;
return isolate_;
}
static i::Isolate* i_isolate() {
return reinterpret_cast<i::Isolate*>(isolate());
}
static i::Heap* heap() {
return i_isolate()->heap();
}
static v8::Local<v8::Object> global() {
return isolate()->GetCurrentContext()->Global();
}
// TODO(dcarney): Remove.
// This must be called first in a test.
static void InitializeVM() {
CHECK(!isolate_used_);
CHECK(!initialize_called_);
initialize_called_ = true;
v8::HandleScope handle_scope(CcTest::isolate());
v8::Context::New(CcTest::isolate())->Enter();
}
// Only for UNINITIALIZED_TESTs
static void DisableAutomaticDispose();
// Helper function to configure a context.
// Must be in a HandleScope.
static v8::Local<v8::Context> NewContext(
CcTestExtensionFlags extensions,
v8::Isolate* isolate = CcTest::isolate());
private:
friend int main(int argc, char** argv);
TestFunction* callback_;
const char* file_;
const char* name_;
const char* dependency_;
bool enabled_;
bool initialize_;
CcTest* prev_;
static CcTest* last_;
static v8::Isolate* isolate_;
static bool initialize_called_;
static bool isolate_used_;
};
// Switches between all the Api tests using the threading support.
// In order to get a surprising but repeatable pattern of thread
// switching it has extra semaphores to control the order in which
// the tests alternate, not relying solely on the big V8 lock.
//
// A test is augmented with calls to ApiTestFuzzer::Fuzz() in its
// callbacks. This will have no effect when we are not running the
// thread fuzzing test. In the thread fuzzing test it will
// pseudorandomly select a successor thread and switch execution
// to that thread, suspending the current test.
class ApiTestFuzzer: public v8::internal::Thread {
public:
void CallTest();
// The ApiTestFuzzer is also a Thread, so it has a Run method.
virtual void Run();
enum PartOfTest { FIRST_PART,
SECOND_PART,
THIRD_PART,
FOURTH_PART,
LAST_PART = FOURTH_PART };
static void SetUp(PartOfTest part);
static void RunAllTests();
static void TearDown();
// This method switches threads if we are running the Threading test.
// Otherwise it does nothing.
static void Fuzz();
private:
explicit ApiTestFuzzer(int num)
: Thread("ApiTestFuzzer"),
test_number_(num),
gate_(0),
active_(true) {
}
~ApiTestFuzzer() {}
static bool fuzzing_;
static int tests_being_run_;
static int current_;
static int active_tests_;
static bool NextThread();
int test_number_;
v8::internal::Semaphore gate_;
bool active_;
void ContextSwitch();
static int GetNextTestNumber();
static v8::internal::Semaphore all_tests_done_;
};
#define THREADED_TEST(Name) \
static void Test##Name(); \
RegisterThreadedTest register_##Name(Test##Name, #Name); \
/* */ TEST(Name)
class RegisterThreadedTest {
public:
explicit RegisterThreadedTest(CcTest::TestFunction* callback,
const char* name)
: fuzzer_(NULL), callback_(callback), name_(name) {
prev_ = first_;
first_ = this;
count_++;
}
static int count() { return count_; }
static RegisterThreadedTest* nth(int i) {
CHECK(i < count());
RegisterThreadedTest* current = first_;
while (i > 0) {
i--;
current = current->prev_;
}
return current;
}
CcTest::TestFunction* callback() { return callback_; }
ApiTestFuzzer* fuzzer_;
const char* name() { return name_; }
private:
static RegisterThreadedTest* first_;
static int count_;
CcTest::TestFunction* callback_;
RegisterThreadedTest* prev_;
const char* name_;
};
// A LocalContext holds a reference to a v8::Context.
class LocalContext {
public:
LocalContext(v8::Isolate* isolate,
v8::ExtensionConfiguration* extensions = 0,
v8::Handle<v8::ObjectTemplate> global_template =
v8::Handle<v8::ObjectTemplate>(),
v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>()) {
Initialize(isolate, extensions, global_template, global_object);
}
LocalContext(v8::ExtensionConfiguration* extensions = 0,
v8::Handle<v8::ObjectTemplate> global_template =
v8::Handle<v8::ObjectTemplate>(),
v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>()) {
Initialize(CcTest::isolate(), extensions, global_template, global_object);
}
virtual ~LocalContext() {
v8::HandleScope scope(isolate_);
v8::Local<v8::Context>::New(isolate_, context_)->Exit();
context_.Reset();
}
v8::Context* operator->() {
return *reinterpret_cast<v8::Context**>(&context_);
}
v8::Context* operator*() { return operator->(); }
bool IsReady() { return !context_.IsEmpty(); }
v8::Local<v8::Context> local() {
return v8::Local<v8::Context>::New(isolate_, context_);
}
private:
void Initialize(v8::Isolate* isolate,
v8::ExtensionConfiguration* extensions,
v8::Handle<v8::ObjectTemplate> global_template,
v8::Handle<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;
}
v8::Persistent<v8::Context> context_;
v8::Isolate* isolate_;
};
static inline v8::Local<v8::Value> v8_num(double x) {
return v8::Number::New(x);
}
static inline v8::Local<v8::String> v8_str(const char* x) {
return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), x);
}
static inline v8::Local<v8::Script> v8_compile(const char* x) {
return v8::Script::Compile(v8_str(x));
}
// Helper function that compiles and runs the source.
static inline v8::Local<v8::Value> CompileRun(const char* source) {
return v8::Script::Compile(
v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), source))->Run();
}
// Helper function that compiles and runs the source with given origin.
static inline v8::Local<v8::Value> CompileRunWithOrigin(const char* source,
const char* origin_url,
int line_number,
int column_number) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
v8::ScriptOrigin origin(v8::String::NewFromUtf8(isolate, origin_url),
v8::Integer::New(line_number),
v8::Integer::New(column_number));
return v8::Script::Compile(v8::String::NewFromUtf8(isolate, source), &origin)
->Run();
}
// Pick a slightly different port to allow tests to be run in parallel.
static inline int FlagDependentPortOffset() {
return ::v8::internal::FLAG_crankshaft == false ? 100 :
::v8::internal::FLAG_always_opt ? 200 : 0;
}
// Helper function that simulates a full new-space in the heap.
static inline void SimulateFullSpace(v8::internal::NewSpace* space) {
int new_linear_size = static_cast<int>(
*space->allocation_limit_address() - *space->allocation_top_address());
if (new_linear_size == 0) return;
v8::internal::MaybeObject* maybe = space->AllocateRaw(new_linear_size);
v8::internal::FreeListNode* node = v8::internal::FreeListNode::cast(maybe);
node->set_size(space->heap(), new_linear_size);
}
// Helper function that simulates a full old-space in the heap.
static inline void SimulateFullSpace(v8::internal::PagedSpace* space) {
space->EmptyAllocationInfo();
space->ResetFreeList();
space->ClearStats();
}
// Helper class for new allocations tracking and checking.
// To use checking of JS allocations tracking in a test,
// just create an instance of this class.
class HeapObjectsTracker {
public:
HeapObjectsTracker() {
heap_profiler_ = i::Isolate::Current()->heap_profiler();
CHECK_NE(NULL, heap_profiler_);
heap_profiler_->StartHeapObjectsTracking(true);
}
~HeapObjectsTracker() {
i::Isolate::Current()->heap()->CollectAllAvailableGarbage();
CHECK_EQ(0, heap_profiler_->FindUntrackedObjects());
heap_profiler_->StopHeapObjectsTracking();
}
private:
i::HeapProfiler* heap_profiler_;
};
#endif // ifndef CCTEST_H_