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path: root/trie/encoding_test.go
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-rw-r--r--trie/encoding_test.go68
1 files changed, 68 insertions, 0 deletions
diff --git a/trie/encoding_test.go b/trie/encoding_test.go
new file mode 100644
index 000000000..c9bc113c9
--- /dev/null
+++ b/trie/encoding_test.go
@@ -0,0 +1,68 @@
+package trie
+
+import (
+ "bytes"
+ "fmt"
+ "testing"
+)
+
+func TestCompactEncode(t *testing.T) {
+ test1 := []byte{1, 2, 3, 4, 5}
+ if res := CompactEncode(test1); res != "\x11\x23\x45" {
+ t.Error(fmt.Sprintf("even compact encode failed. Got: %q", res))
+ }
+
+ test2 := []byte{0, 1, 2, 3, 4, 5}
+ if res := CompactEncode(test2); res != "\x00\x01\x23\x45" {
+ t.Error(fmt.Sprintf("odd compact encode failed. Got: %q", res))
+ }
+
+ test3 := []byte{0, 15, 1, 12, 11, 8 /*term*/, 16}
+ if res := CompactEncode(test3); res != "\x20\x0f\x1c\xb8" {
+ t.Error(fmt.Sprintf("odd terminated compact encode failed. Got: %q", res))
+ }
+
+ test4 := []byte{15, 1, 12, 11, 8 /*term*/, 16}
+ if res := CompactEncode(test4); res != "\x3f\x1c\xb8" {
+ t.Error(fmt.Sprintf("even terminated compact encode failed. Got: %q", res))
+ }
+}
+
+func TestCompactHexDecode(t *testing.T) {
+ exp := []byte{7, 6, 6, 5, 7, 2, 6, 2, 16}
+ res := CompactHexDecode("verb")
+
+ if !bytes.Equal(res, exp) {
+ t.Error("Error compact hex decode. Expected", exp, "got", res)
+ }
+}
+
+func TestCompactDecode(t *testing.T) {
+ exp := []byte{1, 2, 3, 4, 5}
+ res := CompactDecode("\x11\x23\x45")
+
+ if !bytes.Equal(res, exp) {
+ t.Error("odd compact decode. Expected", exp, "got", res)
+ }
+
+ exp = []byte{0, 1, 2, 3, 4, 5}
+ res = CompactDecode("\x00\x01\x23\x45")
+
+ if !bytes.Equal(res, exp) {
+ t.Error("even compact decode. Expected", exp, "got", res)
+ }
+
+ exp = []byte{0, 15, 1, 12, 11, 8 /*term*/, 16}
+ res = CompactDecode("\x20\x0f\x1c\xb8")
+
+ if !bytes.Equal(res, exp) {
+ t.Error("even terminated compact decode. Expected", exp, "got", res)
+ }
+
+ exp = []byte{15, 1, 12, 11, 8 /*term*/, 16}
+ res = CompactDecode("\x3f\x1c\xb8")
+
+ if !bytes.Equal(res, exp) {
+ t.Error("even terminated compact decode. Expected", exp, "got", res)
+ }
+}