package conversions

import "testing"

type romanToIntegerConversionTest struct {
	input    string
	expected int
	name     string
}

var romanToIntegerTests = []romanToIntegerConversionTest{
	{input: "DCCLXXXIX", expected: 789, name: "DCCLXXXIX-789"},
	{input: "MLXVI", expected: 1066, name: "MLXVI-1066"},
	{input: "MCMXVIII", expected: 1918, name: "MCMXVIII-1918"},
	{input: "V", expected: 5, name: "V-5"},
}

func TestRomanToInteger(t *testing.T) {

	for _, test := range romanToIntegerTests {
		convertedValue := RomanToInteger(test.input)
		if convertedValue != test.expected {
			t.Errorf(
				"roman to integer test %s failed. expected '%d' but got '%d'",
				test.name, test.expected, convertedValue,
			)
		}
	}
}