1 files changed, 30 insertions, 0 deletions
diff --git a/krpc/krpc_test.go b/krpc/krpc_test.go
new file mode 100644
index 0000000..c46d70c
--- /dev/null
+++ b/krpc/krpc_test.go
@@ -0,0 +1,30 @@
+package krpc
+
+import (
+	"encoding/hex"
+	"testing"
+)
+
+func TestCompactNodeAddr(t *testing.T) {
+
+	tests := []struct {
+		in  string
+		out string
+	}{
+		{in: "192.168.1.1:6881", out: "c0a801011ae1"},
+		{in: "[2001:9372:434a:800::2]:6881", out: "20019372434a080000000000000000021ae1"},
+	}
+
+	for _, tt := range tests {
+		r := encodeCompactNodeAddr(tt.in)
+		out, _ := hex.DecodeString(tt.out)
+		if r != string(out) {
+			t.Errorf("encodeCompactNodeAddr(%s) => %x, expected %s", tt.in, r, tt.out)
+		}
+
+		s := decodeCompactNodeAddr(r)
+		if s != tt.in {
+			t.Errorf("decodeCompactNodeAddr(%x) => %s, expected %s", r, s, tt.in)
+		}
+	}
+}