util: Handle negative values for NumToAlpha

This shouldn't be used often, but it makes writing some kinds of code easier.
2023-06-29 15:14:06 -04:00
parent 97c7d176f0
commit df9b338279
2 changed files with 4 additions and 0 deletions
--- a/util/util_test.go
+++ b/util/util_test.go
@@ -38,6 +38,7 @@ func TestNumToAlpha(t *testing.T) {
 		{702, "aaa"},
 		{703, "aab"},
 		{63269, "cool"},
+		{-1, ""},
 	}

 	for _, test := range numToAlphaTests {