go-ethereum/ethcrypto/crypto_test.go
Felix Lange 051af604e2 ethcrypto: fix the tests
The Sha3 test contained the wrong expected result. Note that the
implementation hasn't changed, the test simply contained an outdated
expected value that was valid for the previous implementation.
2014-10-29 18:35:33 +01:00

37 lines
1020 B
Go

package ethcrypto
import (
"bytes"
"encoding/hex"
"testing"
)
// These tests are sanity checks.
// They should ensure that we don't e.g. use Sha3-224 instead of Sha3-256
// and that the sha3 library uses keccak-f permutation.
func TestSha3(t *testing.T) {
msg := []byte("abc")
exp, _ := hex.DecodeString("4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45")
checkhash(t, "Sha3-256", Sha3, msg, exp)
}
func TestSha256(t *testing.T) {
msg := []byte("abc")
exp, _ := hex.DecodeString("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")
checkhash(t, "Sha256", Sha256, msg, exp)
}
func TestRipemd160(t *testing.T) {
msg := []byte("abc")
exp, _ := hex.DecodeString("8eb208f7e05d987a9b044a8e98c6b087f15a0bfc")
checkhash(t, "Ripemd160", Ripemd160, msg, exp)
}
func checkhash(t *testing.T, name string, f func([]byte) []byte, msg, exp []byte) {
sum := f(msg)
if bytes.Compare(exp, sum) != 0 {
t.Errorf("hash %s returned wrong result.\ngot: %x\nwant: %x", name, sum, exp)
}
}