1 files changed, 9 insertions, 0 deletions
diff --git a/internal/cvss/v2metric_test.go b/internal/cvss/v2metric_test.go
index b17d2ed..f606ed5 100644
--- a/internal/cvss/v2metric_test.go
+++ b/internal/cvss/v2metric_test.go
@@ -265,3 +265,12 @@ func TestV2MetricString(t *testing.T) {
     })
   }
 }
+
+func TestInvalidV2MetricKey(t *testing.T) {
+  got := v2Metric(255).Key()
+  exp := v2InvalidKey
+
+  if got != exp {
+    t.Errorf("got: \"%s\", exp: \"%s\"", got, exp)
+  }
+}