}
    }

    @Nested
    @DisplayName("SamrCloseHandle Tests")
    class SamrCloseHandleTests {

        @Test
        @DisplayName("Should construct with correct opnum")
        void testConstructorAndOpnum() {
            // When: Creating close handle message
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);

		ACB_USE_DES_KEY_ONLY       = 0x00008000, /* 1 = Use DES key only */
		ACB_DONT_REQUIRE_PREAUTH   = 0x00010000  /* 1 = Preauth not required */
	} SamrAcctFlags;

	[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)]

        }
        this.opened = true;
    }

    @Override
    public synchronized void close() throws IOException {
        if (this.opened) {
            this.opened = false;
            final samr.SamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
            this.handle.sendrecv(rpc);
            if (rpc.retval != 0) {
                throw new SmbException(rpc.retval, false);
            }
        }
    }

        }
    }

    @Nested
    @DisplayName("SamrCloseHandle Tests")
    class SamrCloseHandleTests {

        @Test
        @DisplayName("Should construct with correct opnum")
        void testConstructorAndOpnum() {
            // When: Creating close handle message
            samr.SamrCloseHandle message = new samr.SamrCloseHandle(mockPolicyHandle);

/**
 * MS-RPC SAMR close handle operation.
 *
 * This class implements the SAMR CloseHandle operation for releasing
 * Security Account Manager (SAM) handles.
 */
public class MsrpcSamrCloseHandle extends samr.SamrCloseHandle {

    /**
     * Creates a new request to close a SAM handle.
     *
     * @param policyHandle the policy handle to close
     */
    public MsrpcSamrCloseHandle(final rpc.policy_handle policyHandle) {

/**
 * Microsoft RPC SAM close handle request.
 * This class implements the SAMR close handle operation.
 *
 * @author mbechler
 */
public class MsrpcSamrCloseHandle extends samr.SamrCloseHandle {

    /**
     * Creates a new request to close a SAM handle.
     *
     * @param handle the policy handle to close
     */
    public MsrpcSamrCloseHandle(final policy_handle handle) {

		ACB_USE_DES_KEY_ONLY       = 0x00008000, /* 1 = Use DES key only */
		ACB_DONT_REQUIRE_PREAUTH   = 0x00010000  /* 1 = Preauth not required */
	} SamrAcctFlags;

	[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)]

     */
    public static class SamrCloseHandle extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x01;
        }

        /** The return value of the operation */
        public int retval;
        /** The handle to be closed */
        public rpc.policy_handle handle;

        /**
         * Constructs a SamrCloseHandle request.
         *

     */
    public static class SamrCloseHandle extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x01;
        }

        /** The return value of the operation */
        public int retval;
        /** The handle to be closed */
        public rpc.policy_handle handle;

        /**
         * Constructs a SamrCloseHandle request.
         *