import junit.framework.TestCase; import java.util.Arrays; public class NBottlesOfBeerOnTheWallTest extends TestCase { private static String[] lyricsForBottlesOfBeer(final int numberOfBottlesOfBeer) { return new String[0]; } public void testZeroBottlesOfBeer() { assertEqualsArrayValues(new String[]{ "No more bottles of beer on the wall, no more bottles of beer.", "Go to the store and buy some more, 99 bottles of beer on the wall."}, lyricsForBottlesOfBeer(0)); } private static void assertEqualsArrayValues(final String[] expectedLines, final String[] actualLines) { assertEquals(Arrays.asList(expectedLines), Arrays.asList(actualLines)); } }