public void testToOptionalNull() {
    Stream<@Nullable Object> stream = Stream.of((Object) null);
    assertThrows(NullPointerException.class, () -> stream.collect(toOptional()));
  }

  public void testToOptionalMultiple() {
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> Stream.of(1, 2).collect(toOptional()));
    assertThat(expected).hasMessageThat().contains("1, 2");
  }

    assertEquals(0, Defaults.defaultValue(long.class).longValue());
    assertEquals(0.0f, Defaults.defaultValue(float.class).floatValue());
    assertThat(Defaults.defaultValue(double.class).doubleValue()).isEqualTo(0.0d);
    assertThat(Defaults.defaultValue(void.class)).isNull();
    assertThat(Defaults.defaultValue(String.class)).isNull();
  }

    assertEquals("abc.d.Abc", ClassPath.getClassName("abc/d/Abc.class"));
  }

  public void testResourceInfo_of() {
    assertThat(resourceInfo(ClassPathTest.class)).isInstanceOf(ClassInfo.class);
    assertThat(resourceInfo(ClassPath.class)).isInstanceOf(ClassInfo.class);
    assertThat(resourceInfo(Nested.class)).isInstanceOf(ClassInfo.class);
  }

  public void testGetSimpleName() {

import jcifs.NetbiosName;
import jcifs.ResolverType;

/**
 * Test class for NameServiceClientImpl focusing on public API methods.
 * Optimized for fast execution with minimal network calls.
 */
@ExtendWith(MockitoExtension.class)
@MockitoSettings(strictness = Strictness.LENIENT)
@DisplayName("NameServiceClientImpl Tests")
class NameServiceClientImplTest {

    @Mock
    private CIFSContext mockContext;

 */
class Trans2QueryPathInformationResponseTest {

    private Trans2QueryPathInformationResponse response;

    @BeforeEach
    void setUp() {
        response = new Trans2QueryPathInformationResponse(Trans2QueryPathInformationResponse.SMB_QUERY_FILE_BASIC_INFO);
    }

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @Test

    assertFalse(future.isCancelled());
    assertThrows(TimeoutException.class, () -> future.get(0, MILLISECONDS));
    nested.set("foo");
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
    assertEquals("foo", future.get());
  }

  private static class Foo {}

  private static class FooChild extends Foo {}

  public void testSetFuture_genericsHierarchy() throws Exception {

  private static Class<? extends Annotation> asAnnotation(Class<?> clazz) {
    if (clazz.isAnnotation()) {
      return (Class<? extends Annotation>) clazz;
    } else {
      throw new IllegalArgumentException(rootLocaleFormat("%s is not an annotation.", clazz));
    }
  }

  public void testFeatureEnums() throws Exception {
    assertGoodFeatureEnum(CollectionFeature.class);

    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(0));
    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(-1));
    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(0, 1, SECONDS));
    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(-1, 1, SECONDS));
  }

  public void testSimpleWithWait() {

      return ImmutableMap.copyOf(introspector.mappings);
    }

    @Override
    void visitClass(Class<?> clazz) {
      visit(clazz.getGenericSuperclass());
      visit(clazz.getGenericInterfaces());
    }

    @Override
    void visitParameterizedType(ParameterizedType parameterizedType) {
      Class<?> rawClass = (Class<?>) parameterizedType.getRawType();
      TypeVariable<?>[] vars = rawClass.getTypeParameters();

    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(0));
    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(-1));
    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(0, 1, SECONDS));
    assertThrows(IllegalArgumentException.class, () -> limiter.tryAcquire(-1, 1, SECONDS));
  }

  public void testSimpleWithWait() {