package test

import (
        "crypto/rand"
        "testing"
)

func BenchmarkBitslice(b *testing.B) {
        var key [32]byte
        var hex [64]byte
        rand.Read(key[:])

        b.ResetTimer()
        for i := 0; i < b.N; i++ {
                for j := 0; j < len(key); j++ {
                        hex[j*2] = byte(87 + (int(key[j]) >> 4) + ((((int(key[j]) >> 4) - 10) >> 8) & ^38))
                        hex[j*2+1] = byte(87 + (int(key[j]) & 0xf) + ((((int(key[j]) & 0xf) - 10) >> 8) & ^38))
                }
        }
}

func BenchmarkLookuptable(b *testing.B) {
        var key [32]byte
        var hex [64]byte
        rand.Read(key[:])

        b.ResetTimer()
        const table = "0123456789abcdef"
        for i := 0; i < b.N; i++ {
                for j := 0; j < len(key); j++ {
                        hex[j*2] = table[key[j]>>4]
                        hex[j*2+1] = table[key[j]&0xf]
                }
        }
}