Examples with MethodPredicateInterpretation at.ac.tuwien.kr.alpha.core.common.fixedinterpretations.MethodPredicateInterpretation used on opensource projects

Example 1 with MethodPredicateInterpretation

use of at.ac.tuwien.kr.alpha.core.common.fixedinterpretations.MethodPredicateInterpretation in project Alpha by alpha-asp.

the class AlphaImplTest method withExternalSubtype.

@Test
public void withExternalSubtype() throws Exception {
    SubThingy thingy = new SubThingy();
    BasicRule rule = new BasicRule(Heads.newNormalHead(Atoms.newBasicAtom(Predicates.getPredicate("p", 1), Terms.newConstant("x"))), singletonList(Literals.fromAtom(Atoms.newExternalAtom(Predicates.getPredicate("thinger", 1), new MethodPredicateInterpretation(this.getClass().getMethod("thinger", Thingy.class)), singletonList(Terms.newConstant(thingy)), emptyList()), true)));
    Alpha system = new AlphaImpl();
    InputProgram prog = new InputProgram(singletonList(rule), emptyList(), new InlineDirectivesImpl());
    Set<AnswerSet> actual = system.solve(prog).collect(Collectors.toSet());
    Set<AnswerSet> expected = new HashSet<>(singletonList(new AnswerSetBuilder().predicate("p").instance("x").build()));
    assertEquals(expected, actual);
}