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-rw-r--r--ethutil/rlp_test.go170
1 files changed, 170 insertions, 0 deletions
diff --git a/ethutil/rlp_test.go b/ethutil/rlp_test.go
new file mode 100644
index 000000000..32bcbdce1
--- /dev/null
+++ b/ethutil/rlp_test.go
@@ -0,0 +1,170 @@
+package ethutil
+
+import (
+ "bytes"
+ "encoding/hex"
+ "fmt"
+ "math/big"
+ "reflect"
+ "testing"
+)
+
+func TestRlpValueEncoding(t *testing.T) {
+ val := EmptyRlpValue()
+ val.AppendList().Append(1).Append(2).Append(3)
+ val.Append("4").AppendList().Append(5)
+
+ res := val.Encode()
+ exp := Encode([]interface{}{[]interface{}{1, 2, 3}, "4", []interface{}{5}})
+ if bytes.Compare(res, exp) != 0 {
+ t.Errorf("expected %q, got %q", res, exp)
+ }
+}
+
+func TestValueSlice(t *testing.T) {
+ val := []interface{}{
+ "value1",
+ "valeu2",
+ "value3",
+ }
+
+ value := NewValue(val)
+ splitVal := value.SliceFrom(1)
+
+ if splitVal.Len() != 2 {
+ t.Error("SliceFrom: Expected len", 2, "got", splitVal.Len())
+ }
+
+ splitVal = value.SliceTo(2)
+ if splitVal.Len() != 2 {
+ t.Error("SliceTo: Expected len", 2, "got", splitVal.Len())
+ }
+
+ splitVal = value.SliceFromTo(1, 3)
+ if splitVal.Len() != 2 {
+ t.Error("SliceFromTo: Expected len", 2, "got", splitVal.Len())
+ }
+}
+
+func TestValue(t *testing.T) {
+ value := NewValueFromBytes([]byte("\xcd\x83dog\x83god\x83cat\x01"))
+ if value.Get(0).Str() != "dog" {
+ t.Errorf("expected '%v', got '%v'", value.Get(0).Str(), "dog")
+ }
+
+ if value.Get(3).Uint() != 1 {
+ t.Errorf("expected '%v', got '%v'", value.Get(3).Uint(), 1)
+ }
+}
+
+func TestEncode(t *testing.T) {
+ strRes := "\x83dog"
+ bytes := Encode("dog")
+
+ str := string(bytes)
+ if str != strRes {
+ t.Error(fmt.Sprintf("Expected %q, got %q", strRes, str))
+ }
+
+ sliceRes := "\xcc\x83dog\x83god\x83cat"
+ strs := []interface{}{"dog", "god", "cat"}
+ bytes = Encode(strs)
+ slice := string(bytes)
+ if slice != sliceRes {
+ t.Error(fmt.Sprintf("Expected %q, got %q", sliceRes, slice))
+ }
+
+ intRes := "\x82\x04\x00"
+ bytes = Encode(1024)
+ if string(bytes) != intRes {
+ t.Errorf("Expected %q, got %q", intRes, bytes)
+ }
+}
+
+func TestDecode(t *testing.T) {
+ single := []byte("\x01")
+ b, _ := Decode(single, 0)
+
+ if b.(uint8) != 1 {
+ t.Errorf("Expected 1, got %q", b)
+ }
+
+ str := []byte("\x83dog")
+ b, _ = Decode(str, 0)
+ if bytes.Compare(b.([]byte), []byte("dog")) != 0 {
+ t.Errorf("Expected dog, got %q", b)
+ }
+
+ slice := []byte("\xcc\x83dog\x83god\x83cat")
+ res := []interface{}{"dog", "god", "cat"}
+ b, _ = Decode(slice, 0)
+ if reflect.DeepEqual(b, res) {
+ t.Errorf("Expected %q, got %q", res, b)
+ }
+}
+
+func TestEncodeDecodeBigInt(t *testing.T) {
+ bigInt := big.NewInt(1391787038)
+ encoded := Encode(bigInt)
+
+ value := NewValueFromBytes(encoded)
+ fmt.Println(value.BigInt(), bigInt)
+ if value.BigInt().Cmp(bigInt) != 0 {
+ t.Errorf("Expected %v, got %v", bigInt, value.BigInt())
+ }
+
+ dec, _ := hex.DecodeString("52f4fc1e")
+ fmt.Println(NewValueFromBytes(dec).BigInt())
+}
+
+func TestEncodeDecodeBytes(t *testing.T) {
+ b := NewValue([]interface{}{[]byte{1, 2, 3, 4, 5}, byte(6)})
+ val := NewValueFromBytes(b.Encode())
+ if !b.Cmp(val) {
+ t.Errorf("Expected %v, got %v", val, b)
+ }
+}
+
+/*
+var ZeroHash256 = make([]byte, 32)
+var ZeroHash160 = make([]byte, 20)
+var EmptyShaList = Sha3Bin(Encode([]interface{}{}))
+
+var GenisisHeader = []interface{}{
+ // Previous hash (none)
+ //"",
+ ZeroHash256,
+ // Sha of uncles
+ Sha3Bin(Encode([]interface{}{})),
+ // Coinbase
+ ZeroHash160,
+ // Root state
+ "",
+ // Sha of transactions
+ //EmptyShaList,
+ Sha3Bin(Encode([]interface{}{})),
+ // Difficulty
+ BigPow(2, 22),
+ // Time
+ //big.NewInt(0),
+ int64(0),
+ // extra
+ "",
+ // Nonce
+ big.NewInt(42),
+}
+
+func TestEnc(t *testing.T) {
+ //enc := Encode(GenisisHeader)
+ //fmt.Printf("%x (%d)\n", enc, len(enc))
+ h, _ := hex.DecodeString("f8a0a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347940000000000000000000000000000000000000000a06d076baa9c4074fb2df222dd16a96b0155a1e6686b3e5748b4e9ca0a208a425ca01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d493478340000080802a")
+ fmt.Printf("%x\n", Sha3Bin(h))
+}
+*/
+
+func BenchmarkEncodeDecode(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ bytes := Encode([]interface{}{"dog", "god", "cat"})
+ Decode(bytes, 0)
+ }
+}