singleDigitsTests

RomanNumeralsTest.java

public class RomanNumeralsTest {

    @Test
    public void convert_shouldReturnI() {

        final String romanNumeral = RomanNumerals.convert(1);

        assertThat(romanNumeral, is("I"));
    }

    @Test
    public void convert_shouldReturnV() {

        final String romanNumeral = RomanNumerals.convert(5);

        assertThat(romanNumeral, is("V"));
    }

    @Test
    public void convert_shouldReturnX() {

        final String romanNumeral = RomanNumerals.convert(10);

        assertThat(romanNumeral, is("X"));
    }

    @Test
    public void convert_shouldReturnL() {

        final String romanNumeral = RomanNumerals.convert(50);

        assertThat(romanNumeral, is("L"));
    }

    @Test
    public void convert_shouldReturnC() {

        final String romanNumeral = RomanNumerals.convert(100);

        assertThat(romanNumeral, is("C"));
    }

    @Test
    public void convert_shouldReturnD() {

        final String romanNumeral = RomanNumerals.convert(500);

        assertThat(romanNumeral, is("D"));
    }

    @Test
    public void convert_shouldReturnM() {

        final String romanNumeral = RomanNumerals.convert(1000);

        assertThat(romanNumeral, is("M"));
    }
}