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roman: add 4

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vinchent
2024-09-22 20:57:12 +02:00
parent accb2c51dc
commit 3a0808c599
2 changed files with 4 additions and 0 deletions
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3
roman/roman.go
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@ -9,5 +9,8 @@ func ConvertToRoman(arabic int) string {
converted.WriteString("I") converted.WriteString("I")
} }
} }
if arabic == 4 {
return "IV"
}
return converted.String() return converted.String()
} }

1
roman/roman_test.go
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@ -11,6 +11,7 @@ func TestRomanNemerals(t *testing.T) {
{"1 gets converted to I", 1, "I"}, {"1 gets converted to I", 1, "I"},
{"2 gets converted to II", 2, "II"}, {"2 gets converted to II", 2, "II"},
{"3 gets converted to III", 3, "III"}, {"3 gets converted to III", 3, "III"},
{"4 gets converted to IV", 4, "IV"},
} }
for _, test := range cases { for _, test := range cases {
t.Run(test.Description, func(t *testing.T) { t.Run(test.Description, func(t *testing.T) {