}

    /**
     * Test constructor DcerpcException(String msg).
     */
    @Test
    void testConstructorWithMessage() {
        String message = "Test message for DcerpcException.";
        DcerpcException exception = new DcerpcException(message);

        assertEquals(0, exception.getErrorCode(), "Error code should be 0 for message-only constructor.");

    @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.

    }

    /**
     * Test constructor with O_CREAT flag.
     */
    @Test
    void testConstructor_CreateAndOpen() {
        int flags = SmbFile.O_CREAT;
        smbComOpenAndX = new SmbComOpenAndX(fileName, access, flags, andx);
        assertEquals(0x11, smbComOpenAndX.openFunction); // OPEN_FN_CREATE | OPEN_FN_OPEN
    }

    /**
     * Test constructor with no special flags.
     */
    @Test

    @BeforeEach
    void setUp() {
        // Reset mocks before each test
        reset(mockHandle);
    }

    @Test
    void testConstructor_SuccessfulConnect4() throws IOException {
        // Test case: Constructor with successful MsrpcSamrConnect4
        String server = "testServer";
        int access = 123;

        // No exception thrown by sendrecv for MsrpcSamrConnect4

        }

        // Since SamrOpenAlias's constructor parameters are not directly exposed via getters in MsrpcSamrOpenAlias,
        // we cannot directly verify them here without reflection or extending SamrOpenAlias for testing.
        // However, the primary responsibility of MsrpcSamrOpenAlias's constructor is to call the super constructor
        // and set its own specific fields (ptype, flags).

    // 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)");

    private String componentName;

    /**
     * Constructor with component name.
     * @param componentName The name of the component that is not available.
     */
    public ContainerNotAvailableException(final String componentName) {
        super(componentName + " is not available.");
        this.componentName = componentName;
    }

    /**
     * Constructor with component name and cause.

        // Assert that the object is not null
        assertNotNull(msrpcLsarClose, "MsrpcLsarClose object should not be null");

        // Verify that the constructor correctly sets ptype and flags
        // These values are inherited from LsarClose, but MsrpcLsarClose sets them in its constructor
        assertEquals(0, msrpcLsarClose.getPtype(), "ptype should be 0");

        assertEquals(positiveValue, ndrLongPositive.value, "Constructor should correctly initialize with a positive value.");

        // Test case 2: Negative value
        int negativeValue = -54321;
        NdrLong ndrLongNegative = new NdrLong(negativeValue);
        assertEquals(negativeValue, ndrLongNegative.value, "Constructor should correctly initialize with a negative value.");

        // Test case 3: Zero value