@Test
public void testPowerset() {

    Context powerset = Context.powerset(ABC);
    assertEquals(powerset.getObjects(), ABC);
    assertEquals(powerset.getAttributes(), ABC);
    assertTrue(powerset.getRelation() instanceof NotEqual);
    
    ConceptLattice lattice = powerset.asConceptLattice(new TinkerGraph());
            
    assertEquals(lattice.size(), 8);
    assertEquals(lattice.top(), new Concept(bits(), bits(0, 1, 2)));
    assertEquals(lattice.bottom(), new Concept(bits(0, 1, 2), bits()));
}