private final ForwardingWrapperTester tester = new ForwardingWrapperTester();

  public void testGoodForwarder() {
    tester.testForwarding(
        Arithmetic.class,
        new Function<Arithmetic, Arithmetic>() {
          @Override
          public Arithmetic apply(Arithmetic arithmetic) {
            return new ForwardingArithmetic(arithmetic);
          }
        });
    tester.testForwarding(

    }

    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) {

  }

  // Basic tests

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableList.class);
    tester.testAllPublicInstanceMethods(ImmutableList.of(1, 2, 3));
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testSerialization_empty() {

    List<Class<? extends AbstractTester>> testers = copyToList(super.getTesters());
    testers.add(ListMultimapAsMapTester.class);
    testers.add(ListMultimapEqualsTester.class);
    testers.add(ListMultimapPutTester.class);
    testers.add(ListMultimapPutAllTester.class);
    testers.add(ListMultimapRemoveTester.class);
    testers.add(ListMultimapReplaceValuesTester.class);
    return testers;
  }

  @Override

public class SettableFutureTest extends TestCase {

  private SettableFuture<String> future;
  private ListenableFutureTester tester;

  @Override
  protected void setUp() throws Exception {
    super.setUp();

    future = SettableFuture.create();
    tester = new ListenableFutureTester(future);
    tester.setUp();
  }

  public void testDefaultState() throws Exception {

    List<Class<? extends AbstractTester>> testers = copyToList(super.getTesters());
    testers.add(SetMultimapAsMapTester.class);
    testers.add(SetMultimapEqualsTester.class);
    testers.add(SetMultimapPutTester.class);
    testers.add(SetMultimapPutAllTester.class);
    testers.add(SetMultimapReplaceValuesTester.class);
    testers.add(SortedSetMultimapAsMapTester.class);
    testers.add(SortedSetMultimapGetTester.class);

  @J2ktIncompatible
  @GwtIncompatible("NullPointerTester")
  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.ignore(MoreObjects.class.getMethod("firstNonNull", Object.class, Object.class));
    tester.testAllPublicStaticMethods(MoreObjects.class);
    tester.testAllPublicInstanceMethods(MoreObjects.toStringHelper(new TestClass()));
  }

  @J2ktIncompatible
  @GwtIncompatible("NullPointerTester")
  public void testNulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.ignore(MoreObjects.class.getMethod("firstNonNull", Object.class, Object.class));
    tester.testAllPublicStaticMethods(MoreObjects.class);
    tester.testAllPublicInstanceMethods(MoreObjects.toStringHelper(new TestClass()));
  }

import com.google.common.collect.testing.testers.MapIsEmptyTester;
import com.google.common.collect.testing.testers.MapPutAllTester;
import com.google.common.collect.testing.testers.MapPutTester;
import com.google.common.collect.testing.testers.MapRemoveTester;
import com.google.common.collect.testing.testers.MapSerializationTester;
import com.google.common.collect.testing.testers.MapSizeTester;

    @Require
    @NotTesterAnnotation
    class Tester {}

    assertThat(getTesterAnnotations(Tester.class))
        .containsExactly(Tester.class.getAnnotation(Require.class));
  }

  public void testGetTesterAnnotations_method() throws Exception {
    class Tester {
      @Require
      @NotTesterAnnotation
      public void test() {}
    }
    Method method = Tester.class.getMethod("test");