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crypto: add test cases

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This commit is contained in:
Felix Lange 2017-12-06 12:44:57 +01:00
parent d4e098f8ce
commit 7dac4d3aad
1 changed files with 16 additions and 0 deletions
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16
crypto/signature_test.go
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@ -20,6 +20,7 @@ import (
"bytes"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
)
@ -58,6 +59,12 @@ func TestVerifySignature(t *testing.T) {
if VerifySignature(testpubkey, testmsg, nil) {
t.Errorf("nil signature valid")
}
if VerifySignature(testpubkey, testmsg, append(common.CopyBytes(sig), 1, 2, 3)) {
t.Errorf("signature valid with extra bytes at the end")
}
if VerifySignature(testpubkey, testmsg, sig[:len(sig)-2]) {
t.Errorf("signature valid even though it's incomplete")
}
}
func TestDecompressPubkey(t *testing.T) {
@ -68,6 +75,15 @@ func TestDecompressPubkey(t *testing.T) {
if uncompressed := FromECDSAPub(key); !bytes.Equal(uncompressed, testpubkey) {
t.Errorf("wrong public key result: got %x, want %x", uncompressed, testpubkey)
}
if _, err := DecompressPubkey(nil); err == nil {
t.Errorf("no error for nil pubkey")
}
if _, err := DecompressPubkey(testpubkeyc[:5]); err == nil {
t.Errorf("no error for incomplete pubkey")
}
if _, err := DecompressPubkey(append(common.CopyBytes(testpubkeyc), 1, 2, 3)); err == nil {
t.Errorf("no error for pubkey with extra bytes at the end")
}
}
func BenchmarkEcrecoverSignature(b *testing.B) {