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Example 51 with NoGood

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

the class NoGoodStoreAlphaRoamingTest method naryNoGoodViolatedDuringAdditionAllTrue.

@Test
public void naryNoGoodViolatedDuringAdditionAllTrue() {
    NoGood noGood = new NoGood(fromOldLiterals(1, 2, 3));
    assertNull(assignment.assign(1, TRUE));
    assertNull(assignment.assign(2, TRUE));
    assertNull(assignment.assign(3, TRUE));
    ConflictCause conflictCause = store.add(11, noGood);
    assertNotNull(conflictCause);
    assertNotNull(conflictCause.getAntecedent());
}
Also used : NoGood(at.ac.tuwien.kr.alpha.core.common.NoGood) Test(org.junit.jupiter.api.Test)

Example 52 with NoGood

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

the class NoGoodStoreAlphaRoamingTest method naryNoGoodViolatedDuringAdditionAllMbt.

@Test
public void naryNoGoodViolatedDuringAdditionAllMbt() {
    NoGood noGood = new NoGood(fromOldLiterals(1, 2, 3));
    assertNull(assignment.assign(1, MBT));
    assertNull(assignment.assign(2, MBT));
    assertNull(assignment.assign(3, MBT));
    ConflictCause conflictCause = store.add(11, noGood);
    assertNotNull(conflictCause);
    assertNotNull(conflictCause.getAntecedent());
}
Also used : NoGood(at.ac.tuwien.kr.alpha.core.common.NoGood) Test(org.junit.jupiter.api.Test)

Example 53 with NoGood

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

the class NoGoodStoreAlphaRoamingTest method addedBinaryNoGoodPropagatesTrueFromTrue.

@Test
public void addedBinaryNoGoodPropagatesTrueFromTrue() {
    NoGood noGood = headFirst(fromOldLiterals(-11, 12));
    assertNull(assignment.choose(12, TRUE));
    assertNull(store.add(5, noGood));
    store.propagate();
    assertEquals(TRUE, assignment.getTruth(11));
}
Also used : NoGood(at.ac.tuwien.kr.alpha.core.common.NoGood) Test(org.junit.jupiter.api.Test)

Example 54 with NoGood

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

the class NoGoodStoreAlphaRoamingTest method naryNoGoodPropagatesTrueFromTrue.

@Test
public void naryNoGoodPropagatesTrueFromTrue() {
    NoGood noGood = headFirst(fromOldLiterals(-1, 2, -3));
    assertNull(store.add(10, noGood));
    assertNull(assignment.assign(3, FALSE));
    store.propagate();
    assertNull(assignment.assign(2, TRUE));
    store.propagate();
    assertEquals(TRUE, assignment.getTruth(1));
}
Also used : NoGood(at.ac.tuwien.kr.alpha.core.common.NoGood) Test(org.junit.jupiter.api.Test)

Example 55 with NoGood

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

the class NoGoodStoreAlphaRoamingTest method propagateViolatedConstraintHeadless.

@Test
public void propagateViolatedConstraintHeadless() {
    NoGood noGood = new NoGood(fromOldLiterals(3, 11, 19));
    assertNull(store.add(24, noGood));
    assertNull(assignment.assign(3, TRUE));
    assertNull(assignment.assign(11, TRUE));
    assertNull(assignment.assign(19, TRUE));
    ConflictCause conflictCause = store.propagate();
    assertFalse(store.didPropagate());
    assertNotNull(conflictCause);
    assertTrue(antecedentsEquals(noGood.asAntecedent(), conflictCause.getAntecedent()));
}
Also used : NoGood(at.ac.tuwien.kr.alpha.core.common.NoGood) Test(org.junit.jupiter.api.Test)

Aggregations

NoGood (at.ac.tuwien.kr.alpha.core.common.NoGood)91 Test (org.junit.jupiter.api.Test)73 Disabled (org.junit.jupiter.api.Disabled)10 TrailAssignment (at.ac.tuwien.kr.alpha.core.solver.TrailAssignment)4 LinkedHashMap (java.util.LinkedHashMap)4 Substitution (at.ac.tuwien.kr.alpha.api.grounder.Substitution)3 ASPCore2Program (at.ac.tuwien.kr.alpha.api.programs.ASPCore2Program)3 NormalProgram (at.ac.tuwien.kr.alpha.api.programs.NormalProgram)3 Atom (at.ac.tuwien.kr.alpha.api.programs.atoms.Atom)3 BasicSubstitution (at.ac.tuwien.kr.alpha.commons.substitutions.BasicSubstitution)3 RuleAtom (at.ac.tuwien.kr.alpha.core.atoms.RuleAtom)3 AtomStore (at.ac.tuwien.kr.alpha.core.common.AtomStore)3 AtomStoreImpl (at.ac.tuwien.kr.alpha.core.common.AtomStoreImpl)3 StratifiedEvaluation (at.ac.tuwien.kr.alpha.core.programs.transformation.StratifiedEvaluation)3 CompiledRule (at.ac.tuwien.kr.alpha.core.rules.CompiledRule)3 ConflictAnalysisResult (at.ac.tuwien.kr.alpha.core.solver.learning.GroundConflictNoGoodLearner.ConflictAnalysisResult)3 Predicate (at.ac.tuwien.kr.alpha.api.programs.Predicate)2 Literal (at.ac.tuwien.kr.alpha.api.programs.literals.Literal)2 Literals.atomToLiteral (at.ac.tuwien.kr.alpha.core.atoms.Literals.atomToLiteral)2 Literals.atomToNegatedLiteral (at.ac.tuwien.kr.alpha.core.atoms.Literals.atomToNegatedLiteral)2