blob: 1c6a45d8d720cf04a3a93f62c60699a4c90e9bd5 [file] [log] [blame]
#pragma once
#include "sys_file.hpp"
#include <stdint.h>
#include <cstring>
#include <string>
#include <vector>
using std::size_t;
using std::uint16_t;
using std::uint32_t;
using std::uint8_t;
using namespace std::string_literals;
namespace binstore
{
/* An in-memory file implementation to test read/write operations, which works
* around the problem that Docker image cannot create file in tmpdir. */
class FakeSysFile : public SysFile
{
public:
size_t readToBuf(size_t pos, size_t count, char* buf) const override
{
auto result = readAsStr(pos, count);
std::copy(result.begin(), result.end(), buf);
return result.size();
}
std::string readAsStr(size_t pos, size_t count) const override
{
if (pos >= data_.size())
{
return "";
}
return data_.substr(pos, count);
}
std::string readRemainingAsStr(size_t pos) const override
{
return readAsStr(pos, data_.size());
}
void writeStr(const std::string& data, size_t pos) override
{
if (pos >= data.size())
{
return;
}
data_.resize(pos);
data_.insert(data_.begin() + pos, data.begin(), data.end());
}
protected:
std::string data_ = ""s;
};
} // namespace binstore