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-rw-r--r--ethutil/rlp_test.go146
1 files changed, 146 insertions, 0 deletions
diff --git a/ethutil/rlp_test.go b/ethutil/rlp_test.go
new file mode 100644
index 000000000..90057ab42
--- /dev/null
+++ b/ethutil/rlp_test.go
@@ -0,0 +1,146 @@
+package ethutil
+
+import (
+ "bytes"
+ "math/big"
+ "reflect"
+ "testing"
+)
+
+func TestRlpValueEncoding(t *testing.T) {
+ val := EmptyValue()
+ 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 TestLargeData(t *testing.T) {
+ data := make([]byte, 100000)
+ enc := Encode(data)
+ value := NewValue(enc)
+ value.Decode()
+
+ if value.Len() != len(data) {
+ t.Error("Expected data to be", len(data), "got", value.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.Errorf("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("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)
+ if value.BigInt().Cmp(bigInt) != 0 {
+ t.Errorf("Expected %v, got %v", bigInt, value.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)
+ }
+}
+
+func TestEncodeZero(t *testing.T) {
+ b := NewValue(0).Encode()
+ exp := []byte{0xc0}
+ if bytes.Compare(b, exp) == 0 {
+ t.Error("Expected", exp, "got", b)
+ }
+}
+
+func BenchmarkEncodeDecode(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ bytes := Encode([]interface{}{"dog", "god", "cat"})
+ Decode(bytes, 0)
+ }
+}