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40 lines
729 B

package main
import (
"math/bits"
"reflect"
student "student"
"lib"
)
func reverseBits(octet byte) byte {
return bits.Reverse8(uint8(octet))
}
func challengeBytes(fn1, fn2 interface{}, args ...interface{}) {
st1 := lib.Monitor(fn1, args)
st2 := lib.Monitor(fn2, args)
if !reflect.DeepEqual(st1.Results, st2.Results) {
lib.Fatalf("%s(%08b) == %08b instead of %08b\n",
"ReverseBits",
args[0].(byte),
st1.Results[0].(byte),
st2.Results[0].(byte),
)
}
}
func main() {
args := []byte{0x26, 0x27, 0x28, 0x29, 0xAA, 0xBB}
for i := 0; i < 10; i++ {
n := lib.RandIntBetween(0, 255)
args = append(args, byte(n))
}
for _, v := range args {
challengeBytes(student.ReverseBits, reverseBits, v)
}
}