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// Copyright 2018 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 <vector>
#include "src/heap/heap.h"
#include "src/heap/memory-allocator.h"
#include "src/init/v8.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 {
class MockPlatformForUnmapper : public TestPlatform {
public:
~MockPlatformForUnmapper() override {
for (auto& task : worker_tasks_) {
CcTest::default_platform()->CallOnWorkerThread(std::move(task));
}
worker_tasks_.clear();
}
void CallOnWorkerThread(std::unique_ptr<Task> task) override {
worker_tasks_.push_back(std::move(task));
}
bool IdleTasksEnabled(v8::Isolate* isolate) override { return false; }
private:
std::vector<std::unique_ptr<Task>> worker_tasks_;
};
UNINITIALIZED_TEST(EagerUnmappingInCollectAllAvailableGarbage) {
v8_flags.stress_concurrent_allocation = false; // For SimulateFullSpace.
MockPlatformForUnmapper platform;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
v8::Isolate* isolate = v8::Isolate::New(create_params);
{
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());
CcTest::CollectAllAvailableGarbage(i_isolate);
CHECK_EQ(0, heap->memory_allocator()->unmapper()->NumberOfChunks());
}
isolate->Dispose();
}
} // namespace heap
} // namespace internal
} // namespace v8
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