### Empty
{
type => "tfn",
name => "hexEncode",
input => "",
output => "",
ret => 1,
},
### Basic
{
type => "tfn",
name => "hexEncode",
input => "TestCase",
output => "5465737443617365",
ret => 1,
},
### Basic w/NULL
{
type => "tfn",
name => "hexEncode",
input => "Test\0Case",
output => "546573740043617365",
ret => 1,
},