@Test
public void testCompoundHighlighterChange() {

    ColorHighlighter highlighter = new ColorHighlighter();
    CompoundHighlighter pipeline = new CompoundHighlighter();
    ChangeReport changeReport = new ChangeReport();
    pipeline.addChangeListener(changeReport);
    int count = changeReport.getEventCount();
    pipeline.addHighlighter(highlighter);
    assertEquals("event count must be increased", ++count,  changeReport.getEventCount() );
    assertCompoundHighlighterChange(highlighter, pipeline, changeReport);
}