From ec567ba35dd711546c2602edd1e208b4e1bcb521 Mon Sep 17 00:00:00 2001
From: Branden Colen <brandencolen@gmail.com>
Date: Thu, 1 Apr 2021 10:56:07 -0500
Subject: [PATCH] upped coverage to 100%

---
 romannumeral_test.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/romannumeral_test.go b/romannumeral_test.go
index d45cf72..f3cbf97 100644
--- a/romannumeral_test.go
+++ b/romannumeral_test.go
@@ -58,7 +58,15 @@ func TestToInt(t *testing.T) {
 	}
 	_, err := ToInt("IVCMXCIX")
 	if err == nil {
-		t.Errorf("ToInt(%d) expected an error", 0)
+		t.Error("ToInt(IVCMXCIX) expected an error")
+	}
+
+	val, err := ToInt("")
+	if val != 0 {
+		t.Errorf("ToInt(\"\") = %d; want 0", val)
+	}
+	if err != nil {
+		t.Errorf("ToInt(\"\") returned an error %s", err.Error())
 	}
 }