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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gin/test/v8_test.h"
#include "base/task/single_thread_task_runner.h"
#include "gin/array_buffer.h"
#include "gin/public/isolate_holder.h"
#include "gin/v8_initializer.h"
#include "v8/include/v8-context.h"
#include "v8/include/v8-initialization.h"
using v8::Context;
using v8::Local;
using v8::HandleScope;
namespace gin {
V8Test::V8Test()
: task_environment_(base::test::TaskEnvironment::MainThreadType::IO) {}
V8Test::~V8Test() = default;
void V8Test::SetUp() {
// Multiple gin unittests are by default run in the same process. Since some
// tests set non-default V8 flags, we thus cannot freeze flags after V8
// initialization.
v8::V8::SetFlagsFromString("--no-freeze-flags-after-init");
#ifdef V8_USE_EXTERNAL_STARTUP_DATA
gin::V8Initializer::LoadV8Snapshot();
#endif
gin::IsolateHolder::Initialize(gin::IsolateHolder::kStrictMode,
gin::ArrayBufferAllocator::SharedInstance());
instance_ = CreateIsolateHolder();
if (AccessMode() == gin::IsolateHolder::AccessMode::kUseLocker) {
locker_.emplace(instance_->isolate());
}
instance_->isolate()->Enter();
HandleScope handle_scope(instance_->isolate());
context_.Reset(instance_->isolate(), Context::New(instance_->isolate()));
Local<Context>::New(instance_->isolate(), context_)->Enter();
}
void V8Test::TearDown() {
{
HandleScope handle_scope(instance_->isolate());
Local<Context>::New(instance_->isolate(), context_)->Exit();
context_.Reset();
}
instance_->isolate()->Exit();
locker_.reset();
instance_.reset();
}
std::unique_ptr<gin::IsolateHolder> V8Test::CreateIsolateHolder() const {
return std::make_unique<gin::IsolateHolder>(
base::SingleThreadTaskRunner::GetCurrentDefault(), AccessMode(),
gin::IsolateHolder::IsolateType::kBlinkMainThread);
}
gin::IsolateHolder::AccessMode V8Test::AccessMode() const {
return gin::IsolateHolder::AccessMode::kSingleThread;
}
} // namespace gin
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