// Copyright 2015 the V8 project 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 <stdlib.h>

#include "src/heap/safepoint.h"

#ifdef __linux__
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#endif

#include <utility>

#include "src/handles/global-handles.h"
#include "src/heap/gc-tracer.h"
#include "src/heap/incremental-marking.h"
#include "src/heap/spaces.h"
#include "src/init/v8.h"
#include "src/objects/objects-inl.h"
#include "test/cctest/cctest.h"
#include "test/cctest/heap/heap-utils.h"

using v8::IdleTask;
using v8::Task;
using v8::Isolate;

namespace v8 {
namespace internal {
namespace heap {

TEST_WITH_PLATFORM(IncrementalMarkingUsingTasks, MockPlatform) {
  if (!i::v8_flags.incremental_marking) return;
  v8_flags.stress_concurrent_allocation = false;  // For SimulateFullSpace.
  v8_flags.stress_incremental_marking = false;
  v8::Isolate* isolate = CcTest::isolate();
  {
    v8::HandleScope handle_scope(isolate);
    v8::Local<v8::Context> context = CcTest::NewContext(isolate);
    v8::Context::Scope context_scope(context);
    Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
    Heap* heap = i_isolate->heap();

    i::heap::SimulateFullSpace(heap->old_space());
    i::IncrementalMarking* marking = heap->incremental_marking();
    marking->Stop();
    {
      SafepointScope scope(heap->isolate(),
                           kGlobalSafepointForSharedSpaceIsolate);
      heap->tracer()->StartCycle(
          GarbageCollector::MARK_COMPACTOR, GarbageCollectionReason::kTesting,
          "collector cctest", GCTracer::MarkingType::kIncremental);
      marking->Start(GarbageCollector::MARK_COMPACTOR,
                     i::GarbageCollectionReason::kTesting, "testing");
    }
    CHECK(marking->IsMajorMarking());
    while (marking->IsMajorMarking()) {
      platform.PerformTask();
    }
    CHECK(marking->IsStopped());
  }
}

}  // namespace heap
}  // namespace internal
}  // namespace v8