TestSubClassOf.java 文件源码

@Test
public void testSubclass() {
  Node subclass = getNode("http://example.org/subclass");
  Node superclass = getNode("http://example.org/superclass");
  assertThat("classes should be labeled as such", subclass.hasLabel(OwlLabels.OWL_CLASS) && superclass.hasLabel(OwlLabels.OWL_CLASS));
  assertThat("subclass should be a directed relationship",
      GraphUtil.getRelationships(subclass, superclass, OwlRelationships.RDFS_SUBCLASS_OF),
      is(IsIterableWithSize.<Relationship> iterableWithSize(1)));
}