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package entropy
import "testing"
func isHighEntropy(bits int) bool {
if bits >= 128 {
return true
}
return false
}
func TestShannon(t *testing.T) {
var cases = []struct {
input string
highEntropy bool
}{
{
input: "AAAAAAAAAAA",
highEntropy: false,
},
{
input: "0",
highEntropy: false,
},
{
input: "false",
highEntropy: false,
},
{
input: "668108162888",
highEntropy: false,
},
{
input: "0127B6-85D8BD-E21ADE",
highEntropy: false,
},
{
input: "ZmYwOTZmNmQyNWFjMWY4ZGY4MDBjNjQ3N2IwOGMxMDY4NTE1ODFjMjhlZmRjZGNmZmE2ZTM2MTQ4NjA2YTFkNDM2MDljZjc1MDFhODgxOTI0NGZmMmNmNmE1NWEyNDEzNmJjMWQxZmVkMmUwZmQ4ZDc5ODdiMjhiNzU4ZWUzYWYK",
highEntropy: true,
},
}
for _, c := range cases {
t.Run(c.input, func(t *testing.T) {
bits := Shannon(c.input)
ent := isHighEntropy(bits)
t.Logf("entropy is: %d", bits)
if ent != c.highEntropy {
t.Errorf("%q was expected to be high entropy: %v got: %v", c.input, c.highEntropy, ent)
}
})
}
}
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