@Test
public void testGetElementsWithAttribute() {
Document doc = Jsoup.parse("<div style='bold'><p title=qux><p><b style></b></p></div>");
List<Element> els = doc.getElementsByAttribute("style");
assertEquals(2, els.size());
assertEquals("div", els.get(0).tagName());
assertEquals("b", els.get(1).tagName());
List<Element> none = doc.getElementsByAttribute("class");
assertEquals(0, none.size());
}
@Test
public void testClassDomMethods() {
Document doc =
Jsoup.parse("<div><span class=' mellow yellow '>Hello <b>Yellow</b></span></div>");
List<Element> els = doc.getElementsByAttribute("class");
Element span = els.get(0);
assertEquals("mellow yellow", span.className());
assertTrue(span.hasClass("mellow"));
assertTrue(span.hasClass("yellow"));
Set<String> classes = span.classNames();
assertEquals(2, classes.size());
assertTrue(classes.contains("mellow"));
assertTrue(classes.contains("yellow"));
assertEquals("", doc.className());
classes = doc.classNames();
assertEquals(0, classes.size());
assertFalse(doc.hasClass("mellow"));
}