verify(smbTransport).unwrap(SmbTransport.class); // Verify that the method was called
    }

    @Test
    void testClose() throws Exception {
        // Act
        smbTransport.close();

        // Assert
        verify(smbTransport).close(); // Verify that the close method was called
    }

    @Test

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the default implementations of {@code ByteSink} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class ByteSinkTest extends IoTestCase {

  private final byte[] bytes = newPreFilledByteArray(10000);

  private TestByteSink sink;

  @Override
  protected void setUp() throws Exception {
    sink = new TestByteSink();
  }

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the default implementations of {@code ByteSink} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class ByteSinkTest extends IoTestCase {

  private final byte[] bytes = newPreFilledByteArray(10000);

  private TestByteSink sink;

  @Override
  protected void setUp() throws Exception {
    sink = new TestByteSink();
  }

        smbRandomAccessFile.write(testData);
        assertEquals(testData.length, smbRandomAccessFile.getFilePointer());
    }

    @Test
    void testClose() throws SmbException {
        // Mock isOpen to return false after close
        doAnswer(new Answer<Void>() {
            @Override
            public Void answer(InvocationOnMock invocation) throws Throwable {

import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test class for {@link MultiInputStream}.
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class MultiInputStreamTest extends IoTestCase {

  public void testJoin() throws Exception {
    joinHelper(0);
    joinHelper(1);
    joinHelper(0, 0, 0);
    joinHelper(10, 20);
    joinHelper(10, 0, 20);
    joinHelper(0, 10, 20);

    assertEquals(null, navigableMap.higherEntry(c.getKey()));
    assertEquals(null, navigableMap.higherKey(c.getKey()));
  }

  @CollectionSize.Require(SEVERAL)
  public void testLast() {
    assertEquals(c, navigableMap.lastEntry());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)
  public void testPollLast() {

    assertEquals(null, navigableMap.higherEntry(c.getKey()));
    assertEquals(null, navigableMap.higherKey(c.getKey()));
  }

  @CollectionSize.Require(SEVERAL)
  public void testLast() {
    assertEquals(c, navigableMap.lastEntry());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(SEVERAL)
  public void testPollLast() {

        originalPairs.add(new AvFlags(0x12345678));
        originalPairs.add(new AvTimestamp(new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 }));
        originalPairs.add(new AvTargetName("TESTNAME".getBytes()));
        originalPairs.add(new AvSingleHost(new byte[] { 0x11, 0x22, 0x33, 0x44 }));
        originalPairs.add(new AvChannelBindings(new byte[] { 0x55, 0x66 }));

    void testServerInfo1GetName() throws Exception {
        NetServerEnum2Response.ServerInfo1 server = response.new ServerInfo1();
        String testName = "TESTSERVER";
        server.name = testName;
        assertEquals(testName, server.getName());
    }

    @Test
    @DisplayName("Test ServerInfo1 getAttributes")
    void testServerInfo1GetAttributes() throws Exception {

import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test class for {@link MultiInputStream}.
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class MultiInputStreamTest extends IoTestCase {

  public void testJoin() throws Exception {
    joinHelper(0);
    joinHelper(1);
    joinHelper(0, 0, 0);
    joinHelper(10, 20);
    joinHelper(10, 0, 20);
    joinHelper(0, 10, 20);