private void read()
{
string json_str = File.ReadAllText(file);
Json_TTest result = JsonUtility.FromJson <Json_TTest>(json_str);
Debug.Log("test3 " + (result.test3 == enum_test.b));
}
private void write()
{
Json_TTest tests = new Json_TTest();
string tests_json = JsonUtility.ToJson(tests);
File.WriteAllText(file, tests_json);
}
