private void checkComment(Comments expected, Node commentNode) {
assertTrue(commentNode.getNodeType() == Node.COMMENT_NODE);
Comment comment = (Comment) commentNode;
assertEquals(expected.toString(), comment.getTextContent());
}
private void checkComment(Comments expected, CommentSets comments, String commentKey, int index) {
List<String> commentsList = comments.getCommentSet(commentKey);
assertTrue(commentsList.size() > 0);
assertTrue(commentsList.size() > index);
assertEquals(expected.toString(), commentsList.get(index));
}