/**
  * Test that the most specific classification is used when a group of intermediate specificity is
  * queried.
  */
 @Test
 public void testOverriddenIndirectSuperclass() {
   classifier.addClass(Room.BATHROOM, Arrays.asList(Creature.BIRD));
   classifier.addClass(Room.BEDROOM, Arrays.asList(Creature.GREENFINCH));
   Assert.assertEquals(classifier.getClass(Creature.BIRD), Room.BATHROOM);
   Assert.assertEquals(classifier.getClass(Creature.FINCH), Room.BATHROOM);
   Assert.assertEquals(classifier.getClass(Creature.GREENFINCH), Room.BEDROOM);
 }
 /** Test a more complex classification scenario. */
 @Test
 public void testComplex() {
   classifier.addClass(
       Room.KITCHEN, Arrays.asList(Creature.MAMMAL, Creature.DACHSHUND, Creature.HAKE));
   classifier.addClass(Room.BEDROOM, Arrays.asList(Creature.FISH, Creature.DOG));
   classifier.addClass(Room.DRAWING_ROOM, Arrays.asList(Creature.FINCH, Creature.LEVIATHAN));
   classifier.addClass(Room.BATHROOM, Arrays.asList(Creature.BIRD));
   Assert.assertEquals(classifier.getClass(Creature.MAMMAL), Room.KITCHEN);
   Assert.assertEquals(classifier.getClass(Creature.CAT), Room.KITCHEN);
   Assert.assertEquals(classifier.getClass(Creature.DOG), Room.BEDROOM);
   Assert.assertEquals(classifier.getClass(Creature.DACHSHUND), Room.KITCHEN);
   Assert.assertEquals(classifier.getClass(Creature.FISH), Room.BEDROOM);
   Assert.assertEquals(classifier.getClass(Creature.COD), Room.BEDROOM);
   Assert.assertEquals(classifier.getClass(Creature.HAKE), Room.KITCHEN);
   Assert.assertEquals(classifier.getClass(Creature.BIRD), Room.BATHROOM);
   Assert.assertEquals(classifier.getClass(Creature.FINCH), Room.DRAWING_ROOM);
   Assert.assertEquals(classifier.getClass(Creature.GREENFINCH), Room.DRAWING_ROOM);
   Assert.assertEquals(classifier.getClass(Creature.MAGPIE), Room.BATHROOM);
   Assert.assertEquals(classifier.getClass(Creature.LEVIATHAN), Room.DRAWING_ROOM);
 }
 /** Test that an unknown group is not classified. */
 @Test
 public void testUnknown() {
   Assert.assertNull(classifier.getClass(Creature.LEVIATHAN));
 }
 /** Test that the same classification may be asserted repeatedly for a group. */
 @Test
 public void testSameConsistent() {
   classifier.addClass(Room.KITCHEN, Arrays.asList(Creature.COD));
   classifier.addClass(Room.KITCHEN, Arrays.asList(Creature.COD));
   Assert.assertEquals(classifier.getClass(Creature.COD), Room.KITCHEN);
 }
 /** Test that classification succeeds when a subclass of the known group is queried. */
 @Test
 public void testSuperclass() {
   classifier.addClass(Room.DRAWING_ROOM, Arrays.asList(Creature.BIRD));
   Assert.assertEquals(classifier.getClass(Creature.FINCH), Room.DRAWING_ROOM);
 }