Add a test case for #83
Add a test case for #83

zhiyuanshi/fcore,zhiyuanshi/fcore,bixuanzju/fcore,wxzh/fcore,bixuanzju/fcore,bixuanzju/fcore,hkuplg/fcore,wxzh/fcore,xnning/fcore,xnning/fcore,wxzh/fcore,zhiyuanshi/fcore,hkuplg/fcore,hkuplg/fcore,xnning/fcore