}

        @Test
        @DisplayName("Should handle replace without key")
        void testReplaceCacheWithoutKey() {
            concreteImplementation.setCacheMap(cacheMap);

            // Should not throw
            assertDoesNotThrow(() -> concreteImplementation.replaceCache());

            // Map should remain empty
            assertTrue(cacheMap.isEmpty());
        }

            }

            for (int state : connectedStates) {
                transport.setState(state);
                assertFalse(transport.isDisconnected(), "State " + state + " should not be disconnected");
            }
        }

        @Test
        @DisplayName("should correctly identify failed states")

        validator.addToBlacklist("\\share\\forbidden");

        // Should block blacklisted path
        try {
            validator.validatePath("\\share\\forbidden\\file.txt");
            fail("Should block blacklisted path");
        } catch (SmbException e) {
            assertTrue(e.getMessage().contains("not allowed"));
        }

        // Should allow other paths

        @Test
        @DisplayName("Should write correct structure size")
        void testWriteBytesWireFormat() {
            byte[] buffer = new byte[100];
            int startIndex = 10;

            int bytesWritten = echoRequest.writeBytesWireFormat(buffer, startIndex);

            // Should write 4 bytes
            assertEquals(4, bytesWritten);

            // Should write structure size of 4

        assertTrue(resp instanceof ServerMessageBlock2);
    }

    @Test
    @DisplayName("Should return correct OVERHEAD constant value")
    void testOverheadConstant() {
        // Then
        assertEquals(Smb2Constants.SMB2_HEADER_LENGTH + 16, Smb2ReadResponse.OVERHEAD);
    }

    @Test
    @DisplayName("Should initially have zero data length")
    void testInitialDataLength() {
        // Then

        // Manually unblock
        assertTrue(rateLimiter.unblockIp(ip), "Manual unblock should succeed");

        // Should be allowed again
        assertTrue(rateLimiter.checkAttempt("user7", ip), "Should be allowed after manual unblock");
    }

    @Test
    public void testNullUsername() throws Exception {
        // Null username should be handled gracefully

        verify(mockContext).getPipe(url, pipeType);
    }

    @Test
    @DisplayName("Should close context")
    void testClose() throws CIFSException {
        // When
        mockContext.close();

        // Then
        verify(mockContext).close();
    }

    @Test
    @DisplayName("Should get Configuration")
    void testGetConfig() {
        // Given

    @DisplayName("Should handle various NetBIOS name types")
    void testVariousNameTypes(int nameType) {
        // Given
        when(mockNetbiosName.getNameType()).thenReturn(nameType);

        // When
        int result = mockNetbiosName.getNameType();

        // Then
        assertEquals(nameType, result);
    }

    @Test
    @DisplayName("Should handle null name")
    void testNullName() {

            assertNotNull(clazz.getMethod("createNewFile"), "Should have createNewFile method");
            assertNotNull(clazz.getMethod("mkdir"), "Should have mkdir method");
            assertNotNull(clazz.getMethod("mkdirs"), "Should have mkdirs method");
            assertNotNull(clazz.getMethod("delete"), "Should have delete method");
        }

        @Test

 *
 */
public interface SmbPipeResource extends SmbResource {

    /**
     * The pipe should be opened read-only.
     */

    int PIPE_TYPE_RDONLY = SmbConstants.O_RDONLY;

    /**
     * The pipe should be opened only for writing.
     */

    int PIPE_TYPE_WRONLY = SmbConstants.O_WRONLY;

    /**
     * The pipe should be opened for both reading and writing.
     */

    int PIPE_TYPE_RDWR = SmbConstants.O_RDWR;