@Test
public void dataset() {
Document doc =
Jsoup.parse(
"<div id=1 data-name=jsoup class=new data-package=jar>Hello</div><p id=2>Hello</p>");
Element div = doc.select("div").first();
Map<String, String> dataset = div.dataset();
Attributes attributes = div.attributes();
// size, get, set, add, remove
assertEquals(2, dataset.size());
assertEquals("jsoup", dataset.get("name"));
assertEquals("jar", dataset.get("package"));
dataset.put("name", "jsoup updated");
dataset.put("language", "java");
dataset.remove("package");
assertEquals(2, dataset.size());
assertEquals(4, attributes.size());
assertEquals("jsoup updated", attributes.get("data-name"));
assertEquals("jsoup updated", dataset.get("name"));
assertEquals("java", attributes.get("data-language"));
assertEquals("java", dataset.get("language"));
attributes.put("data-food", "bacon");
assertEquals(3, dataset.size());
assertEquals("bacon", dataset.get("food"));
attributes.put("data-", "empty");
assertEquals(null, dataset.get("")); // data- is not a data attribute
Element p = doc.select("p").first();
assertEquals(0, p.dataset().size());
}
