private static final int CHUNK_SIZE = 24;

    @Mock
    private SrvCopychunk mockChunk;

    @BeforeEach
    void setUp() {
    }

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

        @Test
        @DisplayName("Should create instance with source key and single chunk")
        void testConstructorWithSingleChunk() {
            // Given

/**
 * Test class for SmbComNtCancel
 *
 * Tests the SMB1 NT Cancel command implementation
 */
@DisplayName("SmbComNtCancel Tests")
class SmbComNtCancelTest {

    private static final byte SMB_COM_NT_CANCEL = (byte) 0xA4;

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

        private Configuration mockConfig;

        @BeforeEach

    }

    @Test
    @DisplayName("Test readBytesWireFormat returns 0")
    void testReadBytesWireFormat() {
        request = new Smb2QueryDirectoryRequest(mockConfig);
        byte[] buffer = new byte[100];

        int bytesRead = request.readBytesWireFormat(buffer, 0);

        assertEquals(0, bytesRead);
    }

    @Test
    @DisplayName("Test size calculation with different buffer sizes")

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

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.junit.jupiter.MockitoExtension;

@ExtendWith(MockitoExtension.class)
@DisplayName("UUID Tests")
class UUIDTest {

    // Test data for a valid UUID string

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

import java.util.stream.Stream;

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.Arguments;

        s.sub_authority = Arrays.copyOf(subs, subs.length);
        return s;
    }

    @Nested
    @DisplayName("Basic Constructor and Utility Tests")
    class BasicTests {

        @Test
        @DisplayName("Textual constructor happy path and toString consistency")
        void testTextualConstructorAndToString() throws Exception {
            // Arrange

}

enum class PerformanceTestType(
    val displayName: String,
    val timeout: Int,
    val defaultBaselines: String = "",
    val channel: String,
    val extraParameters: String = "",
) {
    PER_COMMIT(
        displayName = "Performance Regression Test",
        timeout = 420,
        channel = "commits",
    ),
    PER_DAY(
        displayName = "Slow Performance Regression Test",

    }

    @Test
    @DisplayName("Constructor with null file ID should accept null")
    void testConstructorWithNullFileId() {
        // Should not throw exception
        Smb2CloseRequest requestWithNull = new Smb2CloseRequest(mockConfig, null, testFileName);
        assertNotNull(requestWithNull);
    }

    @Test
    @DisplayName("Constructor with null fileName should accept null")

        circuitBreaker = new SimpleCircuitBreaker("test", 3, 2, 100);
    }

    @Test
    @DisplayName("Test initial state is CLOSED")
    void testInitialState() {
        assertEquals(SimpleCircuitBreaker.State.CLOSED, circuitBreaker.getState());
        assertTrue(circuitBreaker.allowsRequests());
    }

    @Test
    @DisplayName("Test successful calls in CLOSED state")
    void testSuccessfulCalls() throws Exception {

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        buffer = new DfsReferralResponseBuffer();
    }

    @Nested
    @DisplayName("Constructor and Initial State Tests")
    class ConstructorTests {

        @Test
        @DisplayName("Should initialize with null referrals")
        void testInitialState() {
            assertNull(buffer.getReferrals());