Source/WebCore/testing/MemoryInfo.h

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * 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
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#pragma once

#include "CommonVM.h"
#include <wtf/RefCounted.h>

namespace WebCore {

class MemoryInfo : public RefCounted<MemoryInfo> {
public:
    static Ref<MemoryInfo> create() { return adoptRef(*new MemoryInfo); }

    size_t usedJSHeapSize() const { return m_usedJSHeapSize; }
    size_t totalJSHeapSize() const { return m_totalJSHeapSize; }

private:
    MemoryInfo()
        : m_usedJSHeapSize(commonVM().heap.size())
        , m_totalJSHeapSize(commonVM().heap.capacity())
    {
    }

    size_t m_usedJSHeapSize;
    size_t m_totalJSHeapSize;
};

} // namespace WebCore