@Test
public void testIsSatisfiedBy_empty() throws ContradictionException, TimeoutException {
Formula f = Formula.newInstanceforSAT(new Formula()); // emptyFormula
assertTrue(f.getModels().isEmpty());
// emptyFormula formula is not satisfiable - not even by an emptyFormula model
assertFalse(f.isSatisfiedBy(new Model(new int[] {})));
}
@Test
public void testGetModels() throws ContradictionException, TimeoutException {
Formula instance = Formula.newInstanceforSAT(new Var("a").and(new Var("b")));
Set<Model> expResult = new HashSet<Model>();
expResult.add(new Model(new int[] {1, 2}));
Set<Model> result = instance.getModels();
assertEquals(expResult, result);
}
@Test
public void testGetModels_empty() throws ContradictionException, TimeoutException {
Formula instance = Formula.newInstanceforSAT(new Formula());
Set<Model> expResult = new HashSet<Model>();
Set<Model> result = instance.getModels();
assertEquals(expResult, result);
assertTrue(result.isEmpty());
}
@Test
public void testNewInstanceforSAT_empty() throws Exception {
Formula instance = Formula.newInstanceforSAT(new Formula());
assertNotNull(instance);
assertTrue(instance.getModels().isEmpty());
}