diff --git a/check/license_test.go b/check/license_test.go
new file mode 100644
index 0000000..de2c978
--- /dev/null
+++ b/check/license_test.go
@@ -0,0 +1,14 @@
+package check
+
+import "testing"
+
+func TestPercentage(t *testing.T) {
+	g := License{"testfiles", []string{}}
+	p, _, err := g.Percentage()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if p != 1.0 {
+		t.Errorf("License check failed")
+	}
+}
diff --git a/check/testfiles/LICENCE.txt b/check/testfiles/LICENCE.txt
new file mode 100644
index 0000000..e69de29