this.sequenceNumber = sequenceNumber;
    }

    /**
     * Gets the context handle.
     *
     * @return the context handle
     */
    public byte[] getContextHandle() {
        return contextHandle;
    }

    /**
     * Sets the context handle.
     *
     * @param contextHandle the context handle
     */
    public void setContextHandle(byte[] contextHandle) {

            assertArrayEquals(expectedName, actualName);
            verify(response, times(1)).getName();
        }

        @Test
        @DisplayName("getName() should handle null return value")
        void testGetNameWithNull() {
            CreateContextResponse response = mock(CreateContextResponse.class);
            when(response.getName()).thenReturn(null);

package jcifs.smb1.dcerpc.msrpc;

/**
 * MSRPC implementation for opening an LSA policy handle.
 * This class provides functionality to open a handle to the LSA policy
 * database on a remote server using the LSA RPC interface.
 */
public class MsrpcLsarOpenPolicy2 extends lsarpc.LsarOpenPolicy2 {

    /**
     * Creates a new request to open an LSA policy handle.
     *
     * @param server the server name to connect to

	[op(0x01)]
	int SamrCloseHandle([in] policy_handle *handle);

	[op(0x39)]
	int SamrConnect2([in,string,unique] wchar_t *system_name,
			[in] uint32_t access_mask,
			[out] policy_handle *handle);

	[op(0x3e)]
	int SamrConnect4([in,string,unique] wchar_t *system_name,
			[in] uint32_t unknown,
			[in] uint32_t access_mask,
			[out] policy_handle *handle);

	[op(0x07)]
	int SamrOpenDomain([in] policy_handle *handle,

        assertNotNull(messages[0]);
        assertTrue(messages[0].toLowerCase().contains("success") || messages[0].toLowerCase().contains("completed"));
    }

    @Test
    @DisplayName("Should handle access denied status")
    void testAccessDeniedStatus() {
        // Given
        int status = NtStatus.NT_STATUS_ACCESS_DENIED;

        // When/Then
        assertEquals((int) 0xC0000022L, status);

        try {
            // Create RPC handle to witness service
            this.handle = DcerpcHandle.getHandle(
                "ncacn_ip_tcp:" + serverAddress.getHostAddress() + "[135]",
                WITNESS_INTERFACE_UUID,
                WITNESS_INTERFACE_VERSION,
                context
            );
            
            // Bind to witness interface
            handle.bind();
            

import jcifs.dcerpc.rpc;

/**
 * MSRPC implementation for opening a domain handle.
 * This class provides functionality to open a handle to a SAM domain
 * using the SAMR RPC interface.
 */
public class MsrpcSamrOpenDomain extends samr.SamrOpenDomain {

    /**
     * Creates a new request to open a domain handle.
     *
     * @param handle the SAM policy handle
     * @param access the desired access rights

        // Then
        assertNotNull(signingKey, "Should handle empty session key");
        assertEquals(16, signingKey.length, "Should still produce 16-byte key");
    }

    @Test
    @DisplayName("Should handle null preauth integrity for SMB 3.0.0")
    void testDeriveKeys_NullPreauthForSMB300() {
        // Given

    }

    @Test
    @DisplayName("Should handle null file ID")
    void testSetNullFileId() {
        // Given
        RequestWithFileId request = new Smb2CloseRequest(mockConfig, testFileId);

        // When & Then - should handle null gracefully (implementation dependent)
        assertDoesNotThrow(() -> request.setFileId(null), "Should handle null file ID without throwing exception");
    }

    @Test

	[op(0x01)]
	int SamrCloseHandle([in] policy_handle *handle);

	[op(0x39)]
	int SamrConnect2([in,string,unique] wchar_t *system_name,
			[in] uint32_t access_mask,
			[out] policy_handle *handle);

	[op(0x3e)]
	int SamrConnect4([in,string,unique] wchar_t *system_name,
			[in] uint32_t unknown,
			[in] uint32_t access_mask,
			[out] policy_handle *handle);

	[op(0x07)]
	int SamrOpenDomain([in] policy_handle *handle,