@Test
public void testConversions() {

    assertNull(Converters.get(String.class, Boolean.class));
    Converter<Byte, Integer> converter1 = Converters.get(Byte.class, Integer.class);
    assertNotNull(converter1);
    assertEquals(new Integer(3), converter1.convert(new Byte((byte) 3)));
    Converter<Short, Integer> converter2 = Converters.get(Short.class, Integer.class);
    assertNotNull(converter2);
    assertEquals(new Integer(3), converter2.convert(new Short((byte) 3)));
    Converter<Long, Integer> converter3 = Converters.get(Long.class, Integer.class);
    assertNotNull(converter3);
    assertEquals(new Integer(3), converter3.convert(new Long(3)));
}