third_party/WebKit/Source/platform/testing/TestingPlatformSupport.h

/*
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#ifndef TestingPlatformSupport_h
#define TestingPlatformSupport_h

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

namespace blink {

class WebCompositorSupport;
class WebThread;

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

    // WebDiscardableMemory:
    bool lock() override;
    void* data() override;
    void unlock() override;
    WebMemoryAllocatorDump* createMemoryAllocatorDump(const WebString& name, WebProcessMemoryDump*) const override;

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

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

        bool hasDiscardableMemorySupport;
        WebCompositorSupport* compositorSupport;
    };

    TestingPlatformSupport();
    explicit TestingPlatformSupport(const Config&);

    ~TestingPlatformSupport() override;

    // Platform:
    WebDiscardableMemory* allocateAndLockDiscardableMemory(size_t bytes) override;
    void cryptographicallyRandomValues(unsigned char* buffer, size_t length) override;
    const unsigned char* getTraceCategoryEnabledFlag(const char* categoryName) override;
    WebString defaultLocale() override;
    WebCompositorSupport* compositorSupport() override;
    WebThread* currentThread() override;
    WebUnitTestSupport* unitTestSupport() override;

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

} // namespace blink

#endif // TestingPlatformSupport_h