1 files changed, 39 insertions, 0 deletions
diff --git a/dhcpv6/option_fqdn_test.go b/dhcpv6/option_fqdn_test.go
new file mode 100644
index 0000000..870ed9d
--- /dev/null
+++ b/dhcpv6/option_fqdn_test.go
@@ -0,0 +1,39 @@
+package dhcpv6
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestParseOptFQDN(t *testing.T) {
+	data := []byte{
+		0, // Flags
+		'c', 'n', 'o', 's', '.', 'l', 'o', 'c', 'a', 'l',
+		'h', 'o', 's', 't',
+	}
+	opt, err := ParseOptFQDN(data)
+
+	require.NoError(t, err)
+	require.Equal(t, OptionFQDN, opt.Code())
+	require.Equal(t, uint8(0), opt.Flags)
+	require.Equal(t, "cnos.localhost", opt.DomainName)
+	require.Equal(t, "OptFQDN{flags=0, domainname=cnos.localhost}", opt.String())
+}
+
+func TestOptFQDNToBytes(t *testing.T) {
+	opt := OptFQDN{
+		Flags:      0,
+		DomainName: "cnos.localhost",
+	}
+	want := []byte{
+		0, // Flags
+		'c', 'n', 'o', 's', '.', 'l', 'o', 'c', 'a', 'l',
+		'h', 'o', 's', 't',
+	}
+	b := opt.ToBytes()
+	if !bytes.Equal(b, want) {
+		t.Fatalf("opt.ToBytes()=%v, want %v", b, want)
+	}
+}