[JavaForFun] /

package org.craftedsw.romannumerals;

import static org.craftedsw.romannumerals.RomanNumeralGenerator.romanFor;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;

import org.junit.Test;

public class RomanNumeralsGeneratorShould {

        @Test public void
        generate_roman_numeral_for_a_given_decimal_number() {
                
                
                
                // You must always start from the assert!!!
                // Method's name must describe what the assert is doing!!!
                assertThat(romanFor(1), is("I"));
                assertThat(romanFor(2), is("II"));
                assertThat(romanFor(3), is("III"));
                // We jump to five because IV is an exception, it is
                // going to be more complicated and we do not already have
                // the pattern to extract the algorithm for the IV number.
                assertThat(romanFor(5), is("V"));
                assertThat(romanFor(7), is("VII"));
                assertThat(romanFor(10), is("X"));
                assertThat(romanFor(18), is("XVIII"));
                assertThat(romanFor(30), is("XXX"));
        }

}