@Test
public void testSetAttribute() {
Attr attribute = new Attr(attributes, "rankdir");
attributes.set("rankdir", attribute);
assertEquals(1, attributes.total());
assertEquals(attributes.get("rankdir"), attribute);
}
@Test
public void testGet() {
Attr attr = attributes.get("rankdir");
assertEquals("rankdir", attr.name());
assertEquals(null, attr.value());
}
@Test
public void testGetWithValue() {
attributes.get("rankdir").value("#999");
Attr attr = attributes.get("rankdir");
assertEquals("#999", attr.value().toString());
}