1 files changed, 40 insertions, 0 deletions
diff --git a/dhcpv6/duid_test.go b/dhcpv6/duid_test.go
new file mode 100644
index 0000000..23ce709
--- /dev/null
+++ b/dhcpv6/duid_test.go
@@ -0,0 +1,40 @@
+package dhcpv6
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestDuidUuid(t *testing.T) {
+	buf := []byte{
+		0x00, 0x04,                                                                                     // type
+		0x00, 0x02, 0x00, 0x03, 0x00, 0x04, 0x00, 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08, 0x00, 0x09, // uuid
+	}
+	duid, err := DuidFromBytes(buf)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if dt := duid.Type; dt != DUID_UUID {
+		t.Fatalf("Invalid Preferred Lifetime. Expected 4, got %d", dt)
+	}
+	if uuid := duid.Uuid; !bytes.Equal(uuid, buf[2:]) {
+		t.Fatalf("Invalid UUID. Expected %v, got %v", buf[2:], uuid)
+	}
+	if mac := duid.LinkLayerAddr; mac != nil {
+		t.Fatalf("Invalid MAC. Expected nil, got %v", mac)
+	}
+}
+
+func TestDuidUuidToBytes(t *testing.T) {
+	uuid := []byte{0x00, 0x02, 0x00, 0x03, 0x00, 0x04, 0x00, 0x05, 0x00, 0x06, 0x00, 0x07, 0x00, 0x08, 0x00, 0x09}
+	expected := []byte{00, 04}
+	expected = append(expected, uuid...)
+	duid := Duid{
+		Type: DUID_UUID,
+		Uuid: uuid,
+	}
+	toBytes := duid.ToBytes()
+	if !bytes.Equal(toBytes, expected) {
+		t.Fatalf("Invalid ToBytes result. Expected %v, got %v", expected, toBytes)
+	}
+}