1 files changed, 19 insertions, 0 deletions
diff --git a/soundbox/ipv6_test.go b/soundbox/ipv6_test.go
new file mode 100644
index 0000000..93ac489
--- /dev/null
+++ b/soundbox/ipv6_test.go
@@ -0,0 +1,19 @@
+package soundbox
+
+import (
+	"net"
+	"reflect"
+	"testing"
+)
+
+func TestToLinkLocal(t *testing.T) {
+	input := net.HardwareAddr{0xab, 0xcd, 0xef, 0x12, 0x34, 0x56}
+	expected := net.IP{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0xa9, 0xcd, 0xef, 0xff, 0xfe, 0x12, 0x34, 0x56}
+	computed, err := toLinkLocal(input)
+	if err != nil {
+		t.Fatalf("Failed to call toLinkLocal(): %v", err)
+	}
+	if !reflect.DeepEqual(computed, expected) {
+		t.Fatalf("Computed IPv6 link-local address %v did not match expectation %v", computed, expected)
+	}
+}