echo Invalid syntax.
vcpupin test a 0,1

echo An out-of-range vCPU number deserves a diagnostic, too.
vcpupin test 100 0,1

echo Negative number
vcpupin test -100 0,1

echo missing argument
vcpupin test --cpulist 0,1

echo An out-of-range vCPU number when get information with live flag
vcpupin test 100 --live

echo An out-of-range vCPU number when get information without flag
vcpupin test 100

echo An out-of-range vCPU number when get information with config flag
vcpupin test 100 --config

echo An out-of-range vCPU number when get information with current flag
vcpupin test 100 --current