#ifndef LINUX_API_MOCK_H
#define LINUX_API_MOCK_H
#include <memory>
#ifdef __cplusplus
extern "C" {
#endif
// Modify all the real api.
int __real_fx_open(const char *pathname, int flags);
#ifdef __cplusplus
}
#endif
class LinuxApiMock
{
public:
    LinuxApiMock() = default;
    virtual ~LinuxApiMock() = default;
    static std::shared_ptr<LinuxApiMock> &GetInstance(std::shared_ptr<LinuxApiMock> *impl = nullptr)
    {
        static auto instance = std::make_shared<LinuxApiMock>();
        if (impl) {
            // The non-thread-safe changing is only for gtest.
            instance = *impl;
        }
        return instance;
    }
    virtual void Init() {}
    virtual void UnInit() {}
    virtual int fx_open(const char *pathname, int flags);
};
#endif