assertThrows(
        ConcurrentModificationException.class,
        () -> {
          Iterator<E> iterator = collection.iterator();
          getList().add(0, e3());
          iterator.next();
        });
  }

  @ListFeature.Require(absent = SUPPORTS_ADD_WITH_INDEX)
  public void testAddAtIndex_unsupportedNotPresent() {
    assertThrows(UnsupportedOperationException.class, () -> getList().add(0, e3()));
    expectUnchanged();

 * Unit tests for the {@link Info} implementations used by the SMB1
 * protocol handling code.
 */
class InfoTest {

    // A tiny mock to illustrate Mockito interaction patterns.
    @Mock
    private SmbComTransactionResponse transactionMock;

    @BeforeEach
    void setUp() {
        transactionMock = mock(SmbComTransactionResponse.class);
    }

    @Test
    void testSmbComQueryInformationResponseGetters() throws Exception {

      }

      override fun close() {
      }
    }.apply {
      level = Level.FINEST
    }

  private fun applyLogger(fn: Logger.() -> Unit) {
    Logger.getLogger(OkHttpClient::class.java.`package`.name).fn()
    Logger.getLogger(OkHttpClient::class.java.name).fn()
    Logger.getLogger(Http2::class.java.name).fn()
    Logger.getLogger(TaskRunner::class.java.name).fn()

            SrvCopychunk mockChunk1 = mock(SrvCopychunk.class);
            SrvCopychunk mockChunk2 = mock(SrvCopychunk.class);
            SrvCopychunk mockChunk3 = mock(SrvCopychunk.class);

            // Simulate different encode return values
            when(mockChunk1.encode(any(byte[].class), anyInt())).thenReturn(20);
            when(mockChunk2.encode(any(byte[].class), anyInt())).thenReturn(24);

        container.singleton("mimeTypeHelper", MimeTypeHelperImpl.class)
                .singleton("tikaExtractor", TikaExtractor.class)
                .singleton("zipExtractor", ZipExtractor.class)
                .<ExtractorFactory> singleton("extractorFactory", ExtractorFactory.class, factory -> {

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;

/**
 * Unit tests for TransportException class
 */
public class TransportExceptionTest {

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

        @Test
        @DisplayName("Should create exception with no arguments")
        void testDefaultConstructor() {

/**
 * Tests for the NdrObject abstract class.
 * This test uses a concrete implementation to verify the abstract contract.
 */
@ExtendWith(MockitoExtension.class)
class NdrObjectTest {

    @Mock
    private NdrBuffer mockBuffer;

    private ConcreteNdrObject ndrObject;

    // A concrete implementation of NdrObject for testing purposes.
    private static class ConcreteNdrObject extends NdrObject {

import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Security-focused test cases for Smb2NegotiateResponse input validation.
 * Tests various malformed input scenarios to ensure proper validation and
 * protection against buffer overflow, integer overflow, and other attacks.
 */
public class Smb2NegotiateResponseInputValidationTest {

    private Configuration mockConfig;

  /**
   * A trust manager for Android applications that customize the trust manager.
   *
   * This class exploits knowledge of Android implementation details. This class is potentially
   * much faster to initialize than [BasicTrustRootIndex] because it doesn't need to load and
   * index trusted CA certificates.
   */
  internal data class CustomTrustRootIndex(
    private val trustManager: X509TrustManager,

 * heavy network interactions through {@link SmbTransport}.
 */
@ExtendWith(MockitoExtension.class)
public class SmbSessionTest {

    @Mock
    UniAddress addr;
    @Mock
    InetAddress inet;
    NtlmPasswordAuthentication auth;
    @Mock
    SmbTransport transport;

    // static helper that returns the mocked transport. The real class
    // performs several other operations, but for the purpose of the test