AtomicReferenceFieldUpdater.<Waiter, @Nullable Waiter>newUpdater(
            Waiter.class, Waiter.class, "next");
    private static final AtomicReferenceFieldUpdater<
            ? super AbstractFutureState<?>, @Nullable Waiter>
        waitersUpdater = newUpdater(AbstractFutureState.class, Waiter.class, "waitersField");
    private static final AtomicReferenceFieldUpdater<

// check the order if so.
// TODO: Refactor to share code with SetTestBuilder etc.
@GwtCompatible
@NullMarked
public abstract class MapInterfaceTest<K extends @Nullable Object, V extends @Nullable Object>
    extends TestCase {

  /** A key type that is not assignable to any classes but Object. */
  private static final class IncompatibleKeyType {
    @Override

  private static final class OneSizeTestSuiteBuilder<T, E>
      extends FeatureSpecificTestSuiteBuilder<
          OneSizeTestSuiteBuilder<T, E>, OneSizeGenerator<T, E>> {
    @SuppressWarnings("rawtypes") // class literals
    private final List<Class<? extends AbstractTester>> testers;

    @SuppressWarnings("rawtypes") // class literals
    OneSizeTestSuiteBuilder(List<Class<? extends AbstractTester>> testers) {

        }
    }

    @Test
    void testNullHandling() {
        assertThrows(NullPointerException.class, () -> Sources.fromPath(null));
        assertThrows(NullPointerException.class, () -> Sources.buildSource(null));
        assertThrows(NullPointerException.class, () -> Sources.resolvedSource(null, "location"));
    }

      return arbitrary;
    }
    if (type.getRawType() == Class.class) {
      // If parameter is Class<? extends Foo>, we return Foo.class
      @SuppressWarnings("unchecked")
      T defaultClass = (T) getFirstTypeParameter(type.getType()).getRawType();
      return defaultClass;
    }
    if (type.getRawType() == TypeToken.class) {
      // If parameter is TypeToken<? extends Foo>, we return TypeToken<Foo>.

    Subscriber subscriber = Subscriber.create(bus, this, method);

    assertThrows(JudgmentError.class, () -> subscriber.invokeSubscriberMethod(FIXTURE_ARGUMENT));
  }

  public void testEquals() throws Exception {
    Method charAt = String.class.getMethod("charAt", int.class);
    Method concat = String.class.getMethod("concat", String.class);
    new EqualsTester()
        .addEqualityGroup(

    assertThrows(IllegalStateException.class, () -> emptyAccumulator.sampleCovariance());
    assertThrows(
        IllegalStateException.class,
        () -> emptyAccumulatorByAddAllEmptyPairedStats.sampleCovariance());
    assertThrows(IllegalStateException.class, () -> oneValueAccumulator.sampleCovariance());
    assertThrows(
        IllegalStateException.class,

/**
 * @author koichik
 */
public class ClassLoaderUtilTest {

    /**
     * @throws Exception
     */
    @Test
    public void testGetClassLoader() throws Exception {
        assertThat(ClassLoaderUtil.getClassLoader(Object.class), is(sameInstance(ClassLoaderUtil.class.getClassLoader())));

        assertThat(ClassLoaderUtil.getClassLoader(TestCase.class), is(sameInstance(TestCase.class.getClassLoader())));

    class HappyPath {
        @Test
        void acceptWithMockedFile() throws Exception {
            SmbFile mockFile = mock(SmbFile.class);
            when(mockFile.getPath()).thenReturn("/share/file.txt");
            assertTrue(ALWAYSACTIVE.accept(mockFile));
        }
    }

    @Nested
    @DisplayName("Invalid input – null file handling")
    class InvalidPath {
        @Test

      ByteString::class to OCTET_STRING,
      Unit::class to NULL,
      Nothing::class to OBJECT_IDENTIFIER,
      Nothing::class to UTF8_STRING,
      String::class to PRINTABLE_STRING,
      Nothing::class to IA5_STRING,
      Nothing::class to UTC_TIME,
      Long::class to GENERALIZED_TIME,
      AnyValue::class to ANY_VALUE,
    )

  fun any(