},
	{
		// Zstd default header.
		header: []byte{0x28, 0xb5, 0x2f, 0xfd},
		f:      formatZstd,
	},
	{
		// Zstd skippable frame header.
		header: []byte{0x2a, 0x4d, 0x18},
		f:      formatZstd,
	},
	{
		// LZ4
		header: []byte{0x4, 0x22, 0x4d, 0x18},
		f:      formatLZ4,
	},
	{
		// Snappy/S2 stream
		header: []byte{0xff, 0x06, 0x00, 0x00},
		f:      formatS2,
	},
	{

class Smb2LeaseStateTest {

    @Test
    @DisplayName("Should define correct lease state constants")
    void testLeaseStateConstants() {
        assertEquals(0x00, Smb2LeaseState.SMB2_LEASE_NONE);
        assertEquals(0x01, Smb2LeaseState.SMB2_LEASE_READ_CACHING);
        assertEquals(0x02, Smb2LeaseState.SMB2_LEASE_HANDLE_CACHING);
        assertEquals(0x04, Smb2LeaseState.SMB2_LEASE_WRITE_CACHING);

    void testReadUShortOutOfBounds() {
        byte[] a = new byte[] { 0x02 };
        assertThrows(IndexOutOfBoundsException.class, () -\u003e NtlmMessage.readUShort(a, 0));
    }

    @Test
    @DisplayName("readULong throws on too short array")
    void testReadULongOutOfBounds() {
        byte[] a = new byte[] { 0x01, 0x02, 0x03 };

        // Encode the full message
        request.encode(buffer, headerStart);

        // Then
        int bodyOffset = Smb2Constants.SMB2_HEADER_LENGTH;

        // Verify session binding flag (0x0)
        assertEquals(0x0, buffer[bodyOffset + 2]);
    }

    @Test
    @DisplayName("Should handle null token correctly")
    void testWriteBytesWireFormatWithNullToken() throws Exception {
        // Given

@DisplayName("Hexdump Utility Tests")
class HexdumpTest extends BaseTest {

    @Test
    @DisplayName("Should convert byte array to hex string")
    void testToHexString() {
        // Given
        byte[] data = { 0x00, 0x0F, (byte) 0xFF, 0x7F, (byte) 0x80 };

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("000FFF7F80", result);
    }

    @Test

    class ToStringTests {

        @ParameterizedTest
        @DisplayName("Should format command name correctly")
        @ValueSource(shorts = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11,
                0x12 })
        void testToStringCommandNames(short command) {
            testMessage.setCommand(command);

    private Smb2LeaseKey testKey;
    private int testState;

    @BeforeEach
    void setUp() {
        byte[] keyBytes = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };
        testKey = new Smb2LeaseKey(keyBytes);
        testState = Smb2LeaseState.SMB2_LEASE_READ_WRITE;
        leaseContext = new LeaseV1CreateContextRequest(testKey, testState);
    }

            uuid.time_mid = (short) 0x9ABC;
            uuid.time_hi_and_version = (short) 0xDEF0;
            uuid.clock_seq_hi_and_reserved = (byte) 0x11;
            uuid.clock_seq_low = (byte) 0x22;
            uuid.node = new byte[] { (byte) 0xAA, (byte) 0xBB, (byte) 0xCC, (byte) 0xDD, (byte) 0xEE, (byte) 0xFF };

            // Mock the derive method to return a buffer for node encoding

        switch (this.flags & (FLAGS_OBJECT_INHERIT | FLAGS_CONTAINER_INHERIT | FLAGS_INHERIT_ONLY)) {
        case 0x00:
            return "This folder only";
        case 0x03:
            return "This folder, subfolders and files";
        case 0x0B:
            return "Subfolders and files only";
        case 0x02:
            return "This folder and subfolders";
        case 0x0A:
            return "Subfolders only";

        assertEquals(1, SMBUtil.readInt2(buffer, 8));
        assertEquals(1, SMBUtil.readInt2(buffer, 10));
    }

    /**
     * Test that a large file lock (bit 0x10 set) is encoded and decoded correctly.
     */
    @ParameterizedTest
    @ValueSource(ints = { 0x10, 0x11 })
    void largeFileFlagSet_and_decoded_according_to_type(int type) throws Exception {
        Configuration cfg = mock(Configuration.class);