public void testRanges() throws Exception {
IDocument document = new Document();
DiffStyleRangeFormatter formatter = new DiffStyleRangeFormatter(
document);
formatter.setRepository(repository);
formatter.format(commit.getTree(), commit.getParent(0).getTree());
assertTrue(document.getLength() > 0);
DiffStyleRange[] ranges = formatter.getRanges();
assertNotNull(ranges);
assertTrue(ranges.length > 0);
for (DiffStyleRange range : ranges) {