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-rw-r--r--roman_test.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/roman_test.go b/roman_test.go
index ff4afe9..d5e3e75 100644
--- a/roman_test.go
+++ b/roman_test.go
@@ -16,6 +16,7 @@ func TestRoman(t *testing.T) {
{1e3 - 1, "CMXCIX"},
{2e3 - 1, "MCMXCIX"},
{4e3 - 1, "MMMCMXCIX"},
+ {3888, "MMMDCCCLXXXVIII"},
}
for _, tc := range testCases {
t.Run(tc.s, func(t *testing.T) {