#ifndef LINUX_API_MOCK_H
#define LINUX_API_MOCK_H
#include <gmock/gmock.h>
#include <gtest/gtest.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
constexpr int INVALID_HANDLE = -1;
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);
};
/**
 * A simulation interface class used for automated testing in Ubuntu systems, implementing the function of piling on
 * some Linux standard interfaces.
 */
class LinuxTest : public LinuxApiMock
{
public:
    LinuxTest() = default;
    virtual ~LinuxTest() = default;
    MOCK_METHOD2(fx_open, int(const char *, int));

public:
    /**
     * @brief Get the Handle For Mock object
     *
     * @return int
     */
    virtual int GetHandleForMock(void) { return INVALID_HANDLE; }

public:
    static std::shared_ptr<LinuxTest> CreateLinuxTest(void);
};
#endif