header: []byte{0x1f, 0x8b, 8},
		f:      formatGzip,
	},
	{
		// 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},

        assertEquals(0x20, SecurityInfo.ATTRIBUTE_SECURITY_INFO);
    }

    @Test
    @DisplayName("Test SCOPE_SECURITY_INFO constant value")
    void testScopeSecurityInfo() {
        assertEquals(0x40, SecurityInfo.SCOPE_SECURITY_INFO);
    }

    @Test
    @DisplayName("Test BACKUP_SECURITY_INFO constant value")
    void testBackupSecurityInfo() {
        assertEquals(0x1000, SecurityInfo.BACKUP_SECURITY_INFO);

    checkFromStringCase("google.com:+25", 1, null, 99, false);
    checkFromStringCase("google.com:25  ", 1, null, 99, false);
    checkFromStringCase("google.com:25\t", 1, null, 99, false);
    checkFromStringCase("google.com:0x25 ", 1, null, 99, false);
  }

  public void testFromStringUnparseableNonsense() {
    // Some nonsense that causes parse failures.
    checkFromStringCase("[goo.gl]", 1, null, 99, false);

    void testSetFlagTrue() {
        msg.setFlag(0x4, true);
        assertTrue(msg.getFlag(0x4), "Bit should be set after setFlag(true)");
    }

    @Test
    @DisplayName("setFlag false clears the bit")
    void testSetFlagFalse() {
        msg.setFlag(0x4, true);
        msg.setFlag(0x4, false);
        assertFalse(msg.getFlag(0x4), "Bit should be cleared after setFlag(false)");
    }

    checkFromStringCase("google.com:+25", 1, null, 99, false);
    checkFromStringCase("google.com:25  ", 1, null, 99, false);
    checkFromStringCase("google.com:25\t", 1, null, 99, false);
    checkFromStringCase("google.com:0x25 ", 1, null, 99, false);
  }

  public void testFromStringUnparseableNonsense() {
    // Some nonsense that causes parse failures.
    checkFromStringCase("[goo.gl]", 1, null, 99, false);

     */
    public static final int DELEGATION = 0x80;
    /**
     * Context flag for mutual authentication requirement
     */
    public static final int MUTUAL_AUTHENTICATION = 0x40;
    /**
     * Context flag for replay detection capability
     */
    public static final int REPLAY_DETECTION = 0x20;
    /**
     * Context flag for sequence checking capability
     */

        testBuffer[22] = 0x00; // identifier authority
        testBuffer[23] = 0x00;
        testBuffer[24] = 0x00;
        testBuffer[25] = 0x00;
        testBuffer[26] = 0x00;
        testBuffer[27] = 0x05;
        SMBUtil.writeInt4(21, testBuffer, 28); // sub-authority 1
        SMBUtil.writeInt4(1000, testBuffer, 32); // sub-authority 2
        SMBUtil.writeInt4(2000, testBuffer, 36); // sub-authority 3

    static final int SHARING_DENY_READ_WRITE_EXECUTE = 0x10;
    static final int SHARING_DENY_WRITE = 0x20;
    static final int SHARING_DENY_READ_EXECUTE = 0x30;
    static final int SHARING_DENY_NONE = 0x40;

    static final int DO_NOT_CACHE = 0x1000; // bit 12
    static final int WRITE_THROUGH = 0x4000; // bit 14

    static final int OPEN_FN_CREATE = 0x10;
    static final int OPEN_FN_FAIL_IF_EXISTS = 0x00;

        SmbComLockingAndX cmd = new SmbComLockingAndX(cfg);
        // set fields via reflection
        setField(cmd, "fid", 0x1234);
        setField(cmd, "typeOfLock", (byte) 0x05);
        setField(cmd, "newOpLockLevel", (byte) 0x01);
        setField(cmd, "timeout", 3000L);
        // arrays of one lock and one unlock range
        LockingAndXRange lock = new LockingAndXRange(false);

        .that(Arrays.equals(expected, actual))
        .isTrue();
  }

  public void testToByteArray() {
    assertByteArrayEquals(
        new byte[] {0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19},
        Longs.toByteArray(0x1213141516171819L));
    assertByteArrayEquals(
        new byte[] {
          (byte) 0xFF, (byte) 0xEE, (byte) 0xDD, (byte) 0xCC,