test send_multipart with bad frame
test send_multipart with bad frame

verify that we don't send partial bad messages
caidongyun/pyzmq,swn1/pyzmq,yyt030/pyzmq,ArvinPan/pyzmq,yyt030/pyzmq,Mustard-Systems-Ltd/pyzmq,Mustard-Systems-Ltd/pyzmq,dash-dash/pyzmq,caidongyun/pyzmq,Mustard-Systems-Ltd/pyzmq,dash-dash/pyzmq,ArvinPan/pyzmq,dash-dash/pyzmq,swn1/pyzmq,caidongyun/pyzmq,ArvinPan/pyzmq,yyt030/pyzmq,swn1/pyzmq