}

  public void testNulls_interface() {
    tester.testNulls(AnInterface.class);
  }

  public void testNulls_abstractClass() {
    tester.testNulls(AnAbstractClass.class);
  }

  public void testNulls_enum() throws Exception {
    tester.testNulls(OneConstantEnum.class);
    tester.testNulls(NoConstantEnum.class);
    tester.testNulls(TimeUnit.class);
  }

      super.verify(elements);
    }
  }

  public void testVerifyGetsCalled() {
    TesterThatCountsCalls tester = new TesterThatCountsCalls();

    tester.test();

    assertEquals(
        "Should have verified once per stimulus executed",
        tester.numCallsToVerify,
        tester.numCallsToNewTargetIterator * STEPS);
  }

  public void testVerifyCanThrowAssertionThatFailsTest() {

      return super.setValue(value);
    }

    private static final long serialVersionUID = 0;
  }

  static class TestMap<K, V> extends SynchronizedMapTest.TestMap<K, V>
      implements NavigableMap<K, V> {

    public TestMap(NavigableMap<K, V> delegate, Object mutex) {
      super(delegate, mutex);
    }

    @Override
    protected NavigableMap<K, V> delegate() {

    }

    return requirements;
  }

  /**
   * Find all the tester annotations declared on a tester class or method.
   *
   * @param classOrMethod a class or method whose tester annotations to find
   * @return an iterable sequence of tester annotations on the class
   */
  public static Iterable<Annotation> getTesterAnnotations(AnnotatedElement classOrMethod) {

  private final ForwardingWrapperTester tester = new ForwardingWrapperTester();

  public void testGoodForwarder() {
    tester.testForwarding(Arithmetic.class, ForwardingArithmetic::new);
    tester.testForwarding(ParameterTypesDifferent.class, ParameterTypesDifferentForwarder::new);
  }

  public void testVoidMethodForwarding() {
    tester.testForwarding(Runnable.class, ForwardingRunnable::new);
  }

    }

    return requirements;
  }

  /**
   * Find all the tester annotations declared on a tester class or method.
   *
   * @param classOrMethod a class or method whose tester annotations to find
   * @return an iterable sequence of tester annotations on the class
   */
  public static Iterable<Annotation> getTesterAnnotations(AnnotatedElement classOrMethod) {

  private final ForwardingWrapperTester tester = new ForwardingWrapperTester();

  public void testGoodForwarder() {
    tester.testForwarding(Arithmetic.class, ForwardingArithmetic::new);
    tester.testForwarding(ParameterTypesDifferent.class, ParameterTypesDifferentForwarder::new);
  }

  public void testVoidMethodForwarding() {
    tester.testForwarding(Runnable.class, ForwardingRunnable::new);
  }

 */
@GwtCompatible
@NullUnmarked
public class EquivalenceTesterTest extends TestCase {
  private EquivalenceTester<Object> tester;
  private MockEquivalence equivalenceMock;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    this.equivalenceMock = new MockEquivalence();
    this.tester = EquivalenceTester.of(equivalenceMock);
  }

  /** Test null reference yields error */

 */
@GwtCompatible
@NullUnmarked
public class EquivalenceTesterTest extends TestCase {
  private EquivalenceTester<Object> tester;
  private MockEquivalence equivalenceMock;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    this.equivalenceMock = new MockEquivalence();
    this.tester = EquivalenceTester.of(equivalenceMock);
  }

  /** Test null reference yields error */

  public void testNullEqualityGroup() {
    EqualsTester tester = new EqualsTester();
    assertThrows(NullPointerException.class, () -> tester.addEqualityGroup((Object[]) null));
  }

  public void testNullObjectInEqualityGroup() {
    EqualsTester tester = new EqualsTester();
    NullPointerException e =
        assertThrows(NullPointerException.class, () -> tester.addEqualityGroup(1, null, 3));