}

    @Test
    @DisplayName("Constructor with null pipe name should handle gracefully")
    void testConstructorWithNullPipeName() {
        // Act
        transWaitNamedPipe = new TransWaitNamedPipe(mockConfig, null);

        // Assert
        assertNotNull(transWaitNamedPipe);
        assertNull(transWaitNamedPipe.name);
    }

    @Test

            assertEquals(6, decodedSize);
            assertArrayEquals(new int[] { 1, 2 }, context.getCiphers());
        }
    }

    @Nested
    @DisplayName("Interface Tests")
    class InterfaceTest {

        @Test
        @DisplayName("Should implement NegotiateContextResponse interface correctly")
        void testInterfaceImplementation() {
            // Arrange

    }

    @Test
    @DisplayName("Should return dialect revision")
    void testGetDialectRevision() throws Exception {
        // Given
        setPrivateField(response, "dialectRevision", 0x0311);

        // When
        int dialect = response.getDialectRevision();

        // Then
        assertEquals(0x0311, dialect);
    }

    @Test
    @DisplayName("Should return server GUID")

    }

    @Test
    @DisplayName("Test readBytesWireFormat returns 0")
    void testReadBytesWireFormat() {
        request = new Smb2CreateRequest(mockConfig, "test.txt");

        byte[] buffer = new byte[1024];
        int bytesRead = request.readBytesWireFormat(buffer, 0);

        assertEquals(0, bytesRead);
    }

    @Test
    @DisplayName("Test all oplock level constants")

import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

/**
 * Unit tests for {@link NegTokenTarg}. The class has no external
 * collaborators so tests are mostly focused on round‑trip
 * serialisation and invalid input handling.
 */
class NegTokenTargTest {

    @Test
    @DisplayName("happy path – full token round‑trip")

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

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;

import java.util.Arrays;
import java.util.stream.Stream;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;

import jcifs.util.ByteEncodable;

@DisplayName("Encodable contract tests using ByteEncodable")
class EncodableTest {

    }

    @Test
    @DisplayName("Test default constructor creates instance with null values")
    void testDefaultConstructor() {
        assertNotNull(notifyInfo);
        assertEquals(0, notifyInfo.getAction());
        assertNull(notifyInfo.getFileName());
        assertEquals(0, notifyInfo.getNextEntryOffset());
    }

    @Test
    @DisplayName("Test constructor with buffer decodes correctly")

        assertNotNull(request);
    }

    @Test
    @DisplayName("Constructor should handle null filename")
    void testConstructorWithNullFilename() {
        // When & Then
        assertDoesNotThrow(() -> new Trans2GetDfsReferral(mockConfig, null));
    }

    @Test
    @DisplayName("Constructor should handle empty filename")
    void testConstructorWithEmptyFilename() {

    }

    @Test
    @DisplayName("Test default constructor creates valid instance")
    void testDefaultConstructor() {
        // Verify instance is created
        assertNotNull(fileInfo);
        assertEquals(FileInformation.FILE_ENDOFFILE_INFO, fileInfo.getFileInformationLevel());
    }

    @Test
    @DisplayName("Test parameterized constructor with end of file value")