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// Copyright 2018 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "fxjs/cfxjs_engine.h"
#include <memory>
#include "fxjs/cfx_v8_unittest.h"
#include "fxjs/cjs_object.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/base/ptr_util.h"
class FXJSEngineUnitTest : public FXV8UnitTest {
public:
FXJSEngineUnitTest() = default;
~FXJSEngineUnitTest() override = default;
void SetUp() override {
FXV8UnitTest::SetUp();
FXJS_Initialize(1, isolate());
engine_ = pdfium::MakeUnique<CFXJS_Engine>(isolate());
}
void TearDown() override { FXJS_Release(); }
CFXJS_Engine* engine() const { return engine_.get(); }
private:
std::unique_ptr<CFXJS_Engine> engine_;
};
static bool perm_created = false;
static bool perm_destroyed = false;
static bool temp_created = false;
static bool temp_destroyed = false;
TEST_F(FXJSEngineUnitTest, GC) {
v8::Isolate::Scope isolate_scope(isolate());
v8::HandleScope handle_scope(isolate());
// Object: 0
engine()->DefineObj("perm", FXJSOBJTYPE_DYNAMIC,
[](CFXJS_Engine* pEngine, v8::Local<v8::Object> obj) {
pEngine->SetObjectPrivate(
obj, pdfium::MakeUnique<CJS_Object>(obj, nullptr));
perm_created = true;
},
[](v8::Local<v8::Object> obj) {
perm_destroyed = true;
CFXJS_Engine::SetObjectPrivate(obj, nullptr);
});
// Object: 1
engine()->DefineObj("temp", FXJSOBJTYPE_DYNAMIC,
[](CFXJS_Engine* pEngine, v8::Local<v8::Object> obj) {
pEngine->SetObjectPrivate(
obj, pdfium::MakeUnique<CJS_Object>(obj, nullptr));
temp_created = true;
},
[](v8::Local<v8::Object> obj) {
temp_destroyed = true;
CFXJS_Engine::SetObjectPrivate(obj, nullptr);
});
engine()->InitializeEngine();
v8::Context::Scope context_scope(engine()->GetV8Context());
v8::Local<v8::Object> perm = engine()->NewFXJSBoundObject(0, false);
EXPECT_FALSE(perm.IsEmpty());
EXPECT_TRUE(perm_created);
EXPECT_FALSE(perm_destroyed);
{
v8::HandleScope inner_handle_scope(isolate());
v8::Local<v8::Object> temp = engine()->NewFXJSBoundObject(1, false);
EXPECT_FALSE(temp.IsEmpty());
EXPECT_TRUE(temp_created);
EXPECT_FALSE(temp_destroyed);
}
Optional<IJS_Runtime::JS_Error> err = engine()->Execute(L"gc();");
EXPECT_FALSE(err);
EXPECT_TRUE(perm_created);
EXPECT_FALSE(perm_destroyed);
EXPECT_TRUE(temp_created);
// TODO(tsepez): temp_destroyed should be true, but it isnt.
// EXPECT_TRUE(temp_destroyed);
engine()->ReleaseEngine();
EXPECT_TRUE(perm_created);
EXPECT_TRUE(perm_destroyed);
EXPECT_TRUE(temp_created);
EXPECT_TRUE(temp_destroyed);
}
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