sky/engine/platform/TestingPlatformSupport.h

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#ifndef SKY_ENGINE_PLATFORM_TESTINGPLATFORMSUPPORT_H_
#define SKY_ENGINE_PLATFORM_TESTINGPLATFORMSUPPORT_H_

#include "sky/engine/public/platform/Platform.h"
#include "sky/engine/public/platform/WebDiscardableMemory.h"
#include "sky/engine/wtf/Vector.h"

namespace blink {

class TestingDiscardableMemory : public WebDiscardableMemory {
public:
    explicit TestingDiscardableMemory(size_t);
    virtual ~TestingDiscardableMemory();

    // WebDiscardableMemory:
    virtual bool lock() override;
    virtual void* data() override;
    virtual void unlock() override;

private:
    Vector<char> m_data;
    bool m_isLocked;
};

class TestingPlatformSupport : public Platform {
public:
    struct Config {
        Config() : hasDiscardableMemorySupport(false) { }

        bool hasDiscardableMemorySupport;
    };

    explicit TestingPlatformSupport(const Config&);

    virtual ~TestingPlatformSupport();

    // Platform:
    virtual WebDiscardableMemory* allocateAndLockDiscardableMemory(size_t bytes) override;

private:
    const Config m_config;
    Platform* const m_oldPlatform;
};

} // namespace blink

#endif  // SKY_ENGINE_PLATFORM_TESTINGPLATFORMSUPPORT_H_