synonymItem.setNewInputs(new String[0]);
        synonymItem.setNewOutputs(new String[0]);
        assertTrue(synonymItem.isUpdated());
        assertTrue(synonymItem.isDeleted());
    }

    public void test_equals1() {
        final SynonymItem synonymItem1 = new SynonymItem(1, new String[] { "a", "A" }, new String[] { "b", "B" });

        assertTrue(synonymItem1.equals(synonymItem1));

            getMultiset(), getSubjectGenerator().create(getSampleElements().toArray()))
        .testEquals();
  }

  @CollectionSize.Require(absent = ZERO)
  public void testNotEqualsEmpty() {
    new EqualsTester()
        .addEqualityGroup(getMultiset())
        .addEqualityGroup(getSubjectGenerator().create())
        .testEquals();
  }

  public void testHashCodeMatchesEntrySet() {

import org.jspecify.annotations.Nullable;

/**
 * Tester for equals() and hashCode() methods of a class.
 *
 * <p>The simplest use case is:
 *
 * <pre>
 * new EqualsTester().addEqualityGroup(foo).testEquals();
 * </pre>
 *
 * <p>This tests {@code foo.equals(foo)}, {@code foo.equals(null)}, and a few other operations.
 *
 * <p>For more extensive testing, add multiple equality groups. Each group should contain objects

        .addEqualityGroup(Predicates.not(TRUE))
        .addEqualityGroup(isOdd())
        .testEquals();
  }

  public void testNot_equalityForNotOfKnownValues() {
    new EqualsTester()
        .addEqualityGroup(TRUE, Predicates.alwaysTrue())
        .addEqualityGroup(FALSE)
        .addEqualityGroup(Predicates.not(TRUE))
        .testEquals();

    new EqualsTester()
        .addEqualityGroup(FALSE, Predicates.alwaysFalse())

        .addEquivalenceGroup("a")
        .test();
  }

  public void testEquals() {
    new EqualsTester()
        .addEqualityGroup(Equivalence.equals(), Equivalence.equals())
        .addEqualityGroup(Equivalence.identity(), Equivalence.identity())
        .testEquals();
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester

        .addEquivalenceGroup("a")
        .test();
  }

  public void testEquals() {
    new EqualsTester()
        .addEqualityGroup(Equivalence.equals(), Equivalence.equals())
        .addEqualityGroup(Equivalence.identity(), Equivalence.identity())
        .testEquals();
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester

        .addEqualityGroup(g)
        .testEquals();

    new EqualsTester()
        .addEqualityGroup(g, Functions.<@Nullable Object>constant(null))
        .addEqualityGroup(Functions.constant("incorrect"))
        .addEqualityGroup(Functions.toStringFunction())
        .addEqualityGroup(f)
        .testEquals();
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester

  }

  public <A, B> void testEquals() throws Exception {
    Method method = TypeParameterTest.class.getDeclaredMethod("testEquals");
    new EqualsTester()
        .addEqualityGroup(new TypeParameter<A>() {}, new TypeParameter<A>() {})
        .addEqualityGroup(new TypeParameter<B>() {})
        .testEquals();
  }

  public void testNullPointers() {

  // create(Enum1.class) is equal to create(Enum2.class) but testEquals() expects otherwise.
  // For the same reason, we need to skip create(Iterable, Class).
  private static class EnumMultisetFactory {
    @Keep // used reflectively by testEquals
    public static <E extends Enum<E>> EnumMultiset<E> create(Iterable<E> elements) {
      return EnumMultiset.create(elements);

/**
 * Tests {@link AndArtifactFilter}.
 *
 */
class AndArtifactFilterTest {

    private ArtifactFilter newSubFilter() {
        return artifact -> false;
    }

    @Test
    void testEquals() {
        AndArtifactFilter filter1 = new AndArtifactFilter();

        AndArtifactFilter filter2 = new AndArtifactFilter(Arrays.asList(newSubFilter()));

        assertFalse(filter1.equals(null));