}
@Test
public void shouldHandleNulls() {
Source source = new Source();
Target target = SourceTargetMapper.INSTANCE.sourceToTarget( source );
assertThat( target ).isNotNull();
assertThat( target.getFoo() ).isEqualTo( Long.valueOf( 0 ) );
assertThat( target.getBar() ).isEqualTo( 0 );
assertThat( target.getZip() ).isEqualTo( "0" );
}