}
    }

    @Test
    @DisplayName("Constructor with andx sets next command")
    void testConstructorWithAndx() {
        DummyPlainSMB next = new DummyPlainSMB();
        DummyAndXBlock block = new DummyAndXBlock(next);

        assertNotNull(block);
        assertSame(next, block.andx, "andx should reference provided SMB");
    }

    @Test
    @DisplayName("getBatchLimit defaults to 0")

        }
    }

    @Nested
    @DisplayName("Interface Constants Tests")
    class InterfaceConstantsTests {

        @Test
        @DisplayName("Should have correct SMB_INFO_ALLOCATION constant value")
        void testSmbInfoAllocationConstant() {
            assertEquals((byte) -1, FileSystemInformation.SMB_INFO_ALLOCATION);
        }

        @Test
        @DisplayName("Should have correct FS_SIZE_INFO constant value")

    @DisplayName("Test isDFSSupported returns false")
    void testIsDFSSupportedFalse() {
        // Arrange
        when(negotiationResponse.isDFSSupported()).thenReturn(false);

        // Act
        boolean result = negotiationResponse.isDFSSupported();

        // Assert
        assertFalse(result);
        verify(negotiationResponse).isDFSSupported();
    }

    @Test

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;

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

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for SrvPipePeekResponse

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertSame;

import java.util.Arrays;

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

import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for ValidateNegotiateInfoResponse
 */

import java.io.IOException;

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")

        when(mockContext.getConfig()).thenReturn(mockConfig);
        echoRequest = new Smb2EchoRequest(mockConfig);
    }

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

        @Test
        @DisplayName("Should create echo request with correct command")
        void testConstructor() throws Exception {
            Smb2EchoRequest request = new Smb2EchoRequest(mockConfig);

        }
    }

    @Test
    @DisplayName("getDefaultPort returns SMB default port 445")
    void testGetDefaultPort() {
        // Act
        int port = handler.getDefaultPort();

        // Assert
        assertEquals(445, port);
        assertEquals(SmbConstants.DEFAULT_PORT, port);
    }

    @Test
    @DisplayName("openConnection creates SmbFile for valid URL")

import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;

import java.lang.reflect.Method;
import java.util.Arrays;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

        assertEquals("remove", ex.getMessage());
    }

    @Nested
    @DisplayName("Invalid constructor inputs")
    class InvalidInputs {
        @Test
        @DisplayName("Null delegate causes NullPointerException during construction")
        void nullDelegate_throwsNPE() throws Exception {
            SmbFile parent = newParent();