suppose one of the function input parameter is bool[] testInput sometimes I want to pass 0 length array like this => [] instead of this => [true,false,true], how does it possible with etherscan.io

suppose one of the function input parameter is bool[] testInput sometimes I want to pass 0 length array like this => [] instead of this => [true,false,true], how does it possible with etherscan.io.

For example, how do you pass an empty array to function cmp in this contract on Ropsten?