return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcLsarOpenPolicy2.class));

        // Act
        LsaPolicyHandle handle = new LsaPolicyHandle(mockDcerpcHandle, server, access);

        // Assert
        assertNotNull(handle);
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarOpenPolicy2.class));

        }

        @Test
        @DisplayName("Should handle null file ID in setter")
        void testSetNullFileId() {
            assertDoesNotThrow(() -> request.setFileId(null));
        }

        @Test
        @DisplayName("Should handle various file ID sizes")
        void testVariousFileIdSizes() {
            byte[] shortFileId = new byte[8];

 */
package jcifs;

/**
 * Handle to an open file
 *
 * @author mbechler
 *
 */
public interface SmbFileHandle extends AutoCloseable {

    /**
     * Returns the tree handle associated with this file handle
     *
     * @return the tree
     */
    SmbTreeHandle getTree();

    /**
     * Checks if this file handle is still valid
     *

         *
         * @param handle the policy handle to close
         */
        public LsarClose(final rpc.policy_handle handle) {
            this.handle = handle;
        }

        @Override
        public void encode_in(final NdrBuffer _dst) throws NdrException {
            this.handle.encode(_dst);
        }

        @Override

    }

    @Test
    @DisplayName("Should handle null hostname in getByName")
    void testGetByNameWithNull() {
        // When/Then
        assertThrows(UnknownHostException.class, () -> {
            nameServiceClient.getByName(null);
        }, "Should throw UnknownHostException for null hostname");
    }

    @Test
    @DisplayName("Should handle empty hostname in getByName")
    void testGetByNameWithEmpty() {

        }

        @Test
        @DisplayName("Should handle special SMB2 context names")
        void testSMB2ContextNames() {
            // Common SMB2 create context names
            String[] contextNames = { "DHnQ", // Durable handle request
                    "DHnC", // Durable handle reconnect
                    "AlSi", // Allocation size
                    "MxAc", // Max access

        assertSame(pipe, handle.getPipe(), "Handle should reference originating pipe");
        assertSame(handle, handle.unwrap(SmbPipeHandle.class), "unwrap should return same instance for interface type");
    }

    @ParameterizedTest
    @DisplayName("getPipeType echoes constructor input (edge values)")

            return 0;
        }

        @Override
        public URL getURL() {
            try {
                // Create URL with custom protocol handler for SMB
                return new URL(null, urlStr, new jcifs.smb.Handler());
            } catch (Exception e) {
                // Return null if URL creation fails
                return null;
            }
        }

        @Override

   * escaper implementation.
   *
   * <ul>
   *   <li>{@link UnicodeEscaper} handles <a href="http://en.wikipedia.org/wiki/UTF-16">UTF-16</a>
   *       correctly, including surrogate character pairs. If the input is badly formed the escaper
   *       should throw {@link IllegalArgumentException}.
   *   <li>{@link CharEscaper} handles Java characters independently and does not verify the input

        assertEquals("testdomain", config.getDefaultDomain());
    }

    @Test
    @DisplayName("Should handle null properties gracefully")
    void testNullProperties() throws CIFSException {
        // PropertyConfiguration doesn't handle null properties
        // It should throw NullPointerException
        assertThrows(NullPointerException.class, () -> {