}

    /**
     * LSA close handle message.
     */
    public static class LsarClose extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x00;
        }

        /** Return value from the RPC call. */
        public int retval;
        /** Policy handle to be closed. */
        public rpc.policy_handle handle;

        /**

        }

        @Test
        @DisplayName("Should construct with config and command")
        void testConstructorWithConfigAndCommand() {
            int command = 0x01;
            TestServerMessageBlock2Response resp = new TestServerMessageBlock2Response(mockConfig, command);
            assertNotNull(resp);
            assertSame(mockConfig, resp.getConfig());
        }
    }

            assertEquals((byte) 0xCC, uuid.node[2]);
            assertEquals((byte) 0xDD, uuid.node[3]);
            assertEquals((byte) 0xEE, uuid.node[4]);
            assertEquals((byte) 0x00, uuid.node[5]); // Missing data defaults to 0
        }

        @Test
        @DisplayName("Constructor with empty node array in rpc.uuid_t should handle gracefully")
        void testConstructorWithEmptyNode() {

    // Parameter source for toString() hex rendering cases
    static Stream<Arguments> hexCases() {
        return Stream.of(Arguments.of(new byte[] {}, ""), Arguments.of(new byte[] { (byte) 0x00 }, "00"),
                Arguments.of(new byte[] { (byte) 0x0F }, "0f"), Arguments.of(new byte[] { (byte) 0x10 }, "10"),
                Arguments.of(new byte[] { (byte) 0xAB }, "ab"),

        assertTrue(request instanceof jcifs.internal.smb2.RequestWithFileId);

        // Test interface method
        byte[] newFileId = new byte[16];
        Arrays.fill(newFileId, (byte) 0x42);

        ((jcifs.internal.smb2.RequestWithFileId) request).setFileId(newFileId);

        // Verify it was set correctly by writing to wire format
        byte[] buffer = new byte[256];

        // Random but realistic GUID
        byte[] testGuid = { (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67, (byte) 0x89, (byte) 0xAB, (byte) 0xCD, (byte) 0xEF,
                (byte) 0xFE, (byte) 0xDC, (byte) 0xBA, (byte) 0x98, (byte) 0x76, (byte) 0x54, (byte) 0x32, (byte) 0x10 };

        // Security mode with signing required

        // Given
        setPrivateField(response, "commonCapabilities", 0x2F); // 0010 1111

        // Then
        assertTrue(response.haveCapabilitiy(0x01)); // Has this bit
        assertTrue(response.haveCapabilitiy(0x0F)); // Has all these bits
        assertFalse(response.haveCapabilitiy(0x10)); // Doesn't have this bit
        assertFalse(response.haveCapabilitiy(0x40)); // Doesn't have this bit
    }

                    return null;
                }
                return (long) Encdec.dec_uint64le(this.sbuf, 28);
            }

            if (this.sbuf[0] == (byte) 0x00 && this.sbuf[1] == (byte) 0x00 && this.sbuf[4] == (byte) 0xFF && this.sbuf[5] == (byte) 'S'
                    && this.sbuf[6] == (byte) 'M' && this.sbuf[7] == (byte) 'B') {
                break; /* all good (SMB) */
            }

        byte[] server = hex("0102030405060708");
        byte[] client = hex("DEADBEEFCAFEBABE");

        // Act
        byte[] a = NtlmUtil.getNTLM2Response(pwdHash, server, client);
        server[7] ^= 0x01; // mutate
        byte[] b = NtlmUtil.getNTLM2Response(pwdHash, server, client);

        // Assert
        assertEquals(24, a.length);

        }

        @Test
        @DisplayName("Directory leasing capability should be 0x20")
        void testGlobalCapDirectoryLeasing() {
            assertEquals(0x20, Smb2Constants.SMB2_GLOBAL_CAP_DIRECTORY_LEASING, "Directory leasing capability must be 0x20");
        }

        @Test
        @DisplayName("Encryption capability should be 0x40")
        void testGlobalCapEncryption() {