Added more tests

ethutil/value.go

@@ -84,6 +84,8 @@ func (val *Value) BigInt() *big.Int {
 		b := new(big.Int).SetBytes(a)
 
 		return b
+	} else if a, ok := val.Val.(*big.Int); ok {
+		return a
 	} else {
 		return big.NewInt(int64(val.Uint()))
 	}
@@ -106,7 +108,7 @@ func (val *Value) Bytes() []byte {
 		return a
 	}
 
-	return make([]byte, 0)
+	return []byte{}
 }
 
 func (val *Value) Slice() []interface{} {
@@ -144,7 +146,7 @@ func (val *Value) Get(idx int) *Value {
 		}
 
 		if idx < 0 {
-			panic("negative idx for Rlp Get")
+			panic("negative idx for Value Get")
 		}
 
 		return NewValue(d[idx])
@@ -162,9 +164,9 @@ func (val *Value) Encode() []byte {
 	return Encode(val.Val)
 }
 
-func NewValueFromBytes(rlpData []byte) *Value {
-	if len(rlpData) != 0 {
-		data, _ := Decode(rlpData, 0)
+func NewValueFromBytes(data []byte) *Value {
+	if len(data) != 0 {
+		data, _ := Decode(data, 0)
 		return NewValue(data)
 	}
 

ethutil/value_test.go

 package ethutil
 
 import (
+	"bytes"
+	"math/big"
 	"testing"
 )
 
@@ -22,6 +24,8 @@ func TestValueTypes(t *testing.T) {
 	str := NewValue("str")
 	num := NewValue(1)
 	inter := NewValue([]interface{}{1})
+	byt := NewValue([]byte{1, 2, 3, 4})
+	bigInt := NewValue(big.NewInt(10))
 
 	if str.Str() != "str" {
 		t.Errorf("expected Str to return 'str', got %s", str.Str())
@@ -31,8 +35,18 @@ func TestValueTypes(t *testing.T) {
 		t.Errorf("expected Uint to return '1', got %d", num.Uint())
 	}
 
-	exp := []interface{}{1}
-	if !NewValue(inter.Interface()).Cmp(NewValue(exp)) {
-		t.Errorf("expected Interface to return '%v', got %v", exp, num.Interface())
+	interExp := []interface{}{1}
+	if !NewValue(inter.Interface()).Cmp(NewValue(interExp)) {
+		t.Errorf("expected Interface to return '%v', got %v", interExp, num.Interface())
+	}
+
+	bytExp := []byte{1, 2, 3, 4}
+	if bytes.Compare(byt.Bytes(), bytExp) != 0 {
+		t.Errorf("expected Bytes to return '%v', got %v", bytExp, byt.Bytes())
+	}
+
+	bigExp := big.NewInt(10)
+	if bigInt.BigInt().Cmp(bigExp) != 0 {
+		t.Errorf("expected BigInt to return '%v', got %v", bigExp, bigInt.BigInt())
 	}
 }