// Cache should be invalidated
        assertFalse(cacheEntry.isComplete());

        // Step 9: Test lease break
        // Re-populate cache
        directoryLeaseManager.updateDirectoryCache(directoryPath, files);
        assertTrue(cacheEntry.isComplete());

        // Simulate lease break with loss of read cache

        return leaseKey;
    }

    /**
     * Checks if the complete directory enumeration has been cached
     * @return true if full enumeration is cached
     */
    public boolean isComplete() {
        return isComplete;
    }

    /**
     * Gets the cache scope (ALL or IMMEDIATE_CHILDREN)
     * @return the cache scope
     */
    public DirectoryCacheScope getScope() {
        return scope;

        DirectoryCacheEntry cacheEntry = directoryLeaseManager.getCacheEntry(directoryPath);
        assertNotNull(cacheEntry);
        assertTrue(cacheEntry.isComplete());
        assertEquals(2, cacheEntry.getChildren().size());

        // Verify the cached files have correct names
        List<DirectoryCacheEntry.FileInfo> children = cacheEntry.getChildren();

        try {
            this.isComplete = true;
            this.hasChanges = false;
            this.lastUpdateTime = System.currentTimeMillis();
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    public void invalidate() {
        lock.writeLock().lock();
        try {
            children.clear();
            isComplete = false;
            hasChanges = true;

     */
    public List<SmbFile> getCachedDirectoryListing(String directoryPath) {
        DirectoryCacheEntry entry = getCacheEntry(directoryPath);
        if (entry == null || !entry.isComplete()) {
            return null;
        }

        List<SmbFile> files = new ArrayList<>();
        for (DirectoryCacheEntry.FileInfo fileInfo : entry.getChildren()) {
            try {

    @Override
    public String getRealm() {
        return null;
    }

    @Override
    public boolean isConnectionBased() {
        return false;
    }

    @Override
    public boolean isComplete() {
        return false;
    }

    @Override
    public Header authenticate(final Credentials credentials, final HttpRequest request) throws AuthenticationException {
        return null;
    }

        });

        assertEquals("unexpected EOF reading netbios session header", exception.getMessage());
    }

    @Test
    @DisplayName("readPacketType should throw IOException on incomplete header")
    void testReadPacketTypeIncompleteHeader() {
        byte[] headerData = { (byte) 0x81, (byte) 0x00 }; // Only 2 bytes instead of 4
        ByteArrayInputStream bais = new ByteArrayInputStream(headerData);

	// Is the error because there wasn't a full rune to be decoded?
	// FullRune distinguishes correctly between erroneous and incomplete encodings.
	if !atEOF && !utf8.FullRune(data) {
		// Incomplete; get more bytes.
		return 0, nil, nil
	}

	// We have a real UTF-8 encoding error. Return a properly encoded error rune

	if tracker.ItemsFailed > 0 && tracker.RetryAttempts < 4 {
		tracker.RetryAttempts++

		healingLogEvent(ctx, "Healing of drive '%s' is incomplete, retrying %s time (healed: %d, skipped: %d, failed: %d).", disk,
			humanize.Ordinal(int(tracker.RetryAttempts)), tracker.ItemsHealed, tracker.ItemsSkipped, tracker.ItemsFailed)

		tracker.resetHealing()

        int bytesRead = readPacket.readTrailerWireFormat(bais, buffer, 0);

        assertEquals(written, bytesRead);
    }

    @Test
    @DisplayName("readTrailerWireFormat should throw IOException on incomplete data")
    void testReadTrailerWireFormatIncompleteData() {
        byte[] buffer = new byte[10]; // Too small buffer
        ByteArrayInputStream bais = new ByteArrayInputStream(buffer);