*/
@ExtendWith(MockitoExtension.class)
@DisplayName("RPC Data Structures Test Suite")
class rpcTest {

    @Mock
    private NdrBuffer mockNdrBuffer;

    @Mock
    private NdrBuffer mockDeferredBuffer;

    @Nested
    @DisplayName("UUID Tests")
    class UuidTests {

        @Test
        @DisplayName("Should encode UUID correctly")
        void testUuidTEncode() throws NdrException {

import static org.junit.jupiter.api.Assertions.assertTrue;

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

import jcifs.CIFSException;

/**
 * Test class for TransportException
 */
public class TransportExceptionTest {

    @Test
    @DisplayName("Test default constructor creates exception with null message")
    public void testDefaultConstructor() {

    @DisplayName("Test split returns null when no following message")
    void testSplitWithNoFollowingMessage() {
        // Given
        when(request.split()).thenReturn(null);

        // When
        CommonServerMessageBlockRequest result = request.split();

        // Then
        assertNull(result);
        verify(request, times(1)).split();
    }

    @Test
    @DisplayName("Test size returns positive message size")

        handle = new TestDcerpcHandle(mockContext, mockBinding);
    }

    @Nested
    @DisplayName("Binding Parsing Tests")
    class BindingParsingTests {

        @ParameterizedTest
        @DisplayName("Should parse valid binding URLs correctly")
        @CsvSource({ "'ncacn_np:\\\\server[endpoint=\\pipe\\srvsvc]', ncacn_np, server, '\\pipe\\srvsvc'",

 * Tests all string encoding/decoding operations and utility methods.
 */
@DisplayName("Strings Utility Tests")
class StringsTest {

    private static final String TEST_STRING = "Hello World";
    private static final String UNICODE_STRING = "Hello 世界 🌍";
    private static final String ASCII_STRING = "ASCII Test";

    @Nested
    @DisplayName("Basic Encoding Methods")
    class BasicEncodingTests {

        @Test

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

/**
 * Unit tests for InputValidator
 */
public class InputValidatorTest {

    @Test
    @DisplayName("Test valid buffer size validation")

    }

    @Nested
    @DisplayName("Constructor input validation")
    class CtorValidation {
        @Test
        @DisplayName("null handle throws NPE")
        void nullHandle() {
            assertThrows(NullPointerException.class, () -> new SmbPipeInputStream(null, tree));
        }

        @Test
        @DisplayName("null tree throws NPE")
        void nullTree() {

    }

    @Test
    @DisplayName("writeParametersWireFormat throws on null path")
    void testNullPath() {
        Trans2GetDfsReferral cmd = new Trans2GetDfsReferral(null);
        byte[] buffer = new byte[10];
        assertThrows(NullPointerException.class, () -> cmd.writeParametersWireFormat(buffer, 0));
    }

    @Nested
    @DisplayName("read methods are no‑ops")
    class ReadMethods {

    }

    @Nested
    @DisplayName("Interface Implementation Tests")
    class InterfaceImplementationTests {

        @Test
        @DisplayName("Should implement AllocInfo interface")
        void shouldImplementAllocInfo() {
            assertTrue(AllocInfo.class.isAssignableFrom(FileFsSizeInformation.class));
        }

        @Test
        @DisplayName("Should implement FileSystemInformation interface")

        }
    }

    @Nested
    @DisplayName("Result Management Tests")
    class ResultManagementTests {

        @Test
        @DisplayName("getResult should return null for success (result=0)")
        void testGetResultSuccess() {
            message.result = 0;
            assertNull(message.getResult());
        }

        @Test