1 files changed, 40 insertions, 0 deletions
diff --git a/dhcpv6/option_clientlinklayeraddress_test.go b/dhcpv6/option_clientlinklayeraddress_test.go
new file mode 100644
index 0000000..a25e882
--- /dev/null
+++ b/dhcpv6/option_clientlinklayeraddress_test.go
@@ -0,0 +1,40 @@
+package dhcpv6
+
+import (
+	"bytes"
+	"net"
+	"testing"
+
+	"github.com/insomniacslk/dhcp/iana"
+	"github.com/stretchr/testify/require"
+)
+
+func TestParseOptClientLinkLayerAddress(t *testing.T) {
+	data := []byte{
+		0, 1, // LinkLayerType
+		164, 131, 231, 227, 223, 136,
+	}
+	opt, err := parseOptClientLinkLayerAddress(data)
+
+	require.NoError(t, err)
+	require.Equal(t, OptionClientLinkLayerAddr, opt.Code())
+	require.Equal(t, iana.HWTypeEthernet, opt.LinkLayerType)
+	require.Equal(t, net.HardwareAddr(data[2:]), opt.LinkLayerAddress)
+	require.Equal(t, "ClientLinkLayerAddress: Type=Ethernet LinkLayerAddress=a4:83:e7:e3:df:88", opt.String())
+}
+
+func TestOptClientLinkLayerAddressToBytes(t *testing.T) {
+	mac, _ := net.ParseMAC("a4:83:e7:e3:df:88")
+	opt := optClientLinkLayerAddress{
+		LinkLayerType:    iana.HWTypeEthernet,
+		LinkLayerAddress: mac,
+	}
+	want := []byte{
+		0, 1, // LinkLayerType
+		164, 131, 231, 227, 223, 136,
+	}
+	b := opt.ToBytes()
+	if !bytes.Equal(b, want) {
+		t.Fatalf("opt.ToBytes()=%v, want %v", b, want)
+	}
+}