/** The status code of the response. */
        protected int status;

        /**
         * Default constructor for ApiResponse.
         */
        public ApiResponse() {
            // Default constructor
        }

        /**
         * Sets the status of the response.
         * @param status The status to set.
         * @return This ApiResponse instance.

    // Creates a minimal valid CIFS context that does not perform I/O by itself
    private CIFSContext ctx() {
        return SingletonContext.getInstance();
    }

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

        @ParameterizedTest
        @DisplayName("Accepts IPC$ URLs (happy path)")
        @ValueSource(strings = { "smb://server/IPC$/foo", "smb://server/IPC$/PIPE/foo" })

    @MethodSource("messages")
    @DisplayName("Message constructor preserves provided messages, including null/edge cases")
    void messageConstructor_preservesMessage(String msg) {
        // Arrange & Act
        SmbUnsupportedOperationException ex = new SmbUnsupportedOperationException(msg);

        // Assert
        assertEquals(msg, ex.getMessage(), "Constructor should preserve the provided message (including null)");

    @BeforeEach
    void setUp() {
        // Create mock objects for the constructor parameters
        aliasHandle = mock(SamrAliasHandle.class);
        sids = mock(LsarSidArray.class);
    }

    /**
     * Test method for {@link jcifs.dcerpc.msrpc.MsrpcGetMembersInAlias#MsrpcGetMembersInAlias(SamrAliasHandle, LsarSidArray)}.
     * Verifies that the constructor correctly initializes the object's fields using reflection for protected members.

            HMACT64 hmac = new HMACT64(TEST_KEY);
            hmac.engineReset();
            verify(mockMd5, times(2)).reset(); // Once in constructor, once in reset
            verify(mockMd5, times(2)).update(any(byte[].class)); // Once in constructor, once in reset
        }
    }

    @Test
    void testEngineGetDigestLength() throws NoSuchAlgorithmException {
        // Test engineGetDigestLength()

        // We cannot directly access private fields of MsrpcSamrOpenAlias or its superclass
        // Instead, we verify the interaction with the DcerpcHandle and the return value.
        // The fact that the constructor completes without exception and sets 'opened' to true
        // implies the correct parameters were used internally.
    }

    @Test
    void constructor_shouldThrowSmbExceptionOnOpenFailure() throws IOException {

import jcifs.smb1.UniAddress;

/**
 * Unit tests for {@link NtlmChallenge}.
 */
class NtlmChallengeTest {

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

        @Test
        @DisplayName("Constructor sets fields correctly")
        void testConstructorSetsFields() {
            byte[] challenge = new byte[] { 1, 2, 3 };
            UniAddress dc = mock(UniAddress.class);

        // Although we cannot directly verify the super constructor call with Mockito for a real class,
        // we can infer its correct behavior if the object is successfully constructed and its own fields are correct.
        // The super constructor is called with (domainHandle, 0, acct_flags, null, 0)

class Smb2ConstantsTest {

    @Test
    @DisplayName("Should have private constructor to prevent instantiation")
    void testPrivateConstructor() throws Exception {
        // Verify constructor is private
        Constructor<Smb2Constants> constructor = Smb2Constants.class.getDeclaredConstructor();
        assertTrue(Modifier.isPrivate(constructor.getModifiers()), "Constructor should be private");

import jcifs.smb1.dcerpc.ndr.NdrObject;

/**
 * Server Service RPC interface implementation for remote server administration (SMB1).
 */
public class srvsvc {

    /**
     * Private constructor to prevent instantiation.
     */
    private srvsvc() {
    }

    /**
     * Gets the RPC interface syntax string.
     * @return the interface UUID and version
     */