one more unit test
one more unit test

PeterScott/libhhash,sigman78/libhhash,PeterScott/libhhash,williamsdevaccount/libhhash,josephwecker/libhhash,sigman78/libhhash,zhouzhenghui/libhhash,coriolanus/libhhash,josephwecker/libhhash,williamsdevaccount/libhhash,zhouzhenghui/libhhash,bufans/libhhash