// Create an existing connection
        SmbTransportImpl first = testPool.getSmbTransport(ctx, address, 445, false);

        // When: Request another connection
        // Note: Real SmbTransportImpl will report as disconnected without actual socket
        SmbTransportImpl second = testPool.getSmbTransport(ctx, address, 445, false);

    }

    /**
     * Integration test for complete index lifecycle with refactored methods.
     * Tests that createNextIndex and switchIndex work together correctly.
     * Note: Full lifecycle testing is covered by SuggesterTest.test_switchIndex()
     */
    @Test
    public void testIndexLifecycle_withRefactoredMethods() throws Exception {

        when(mockTreeHandle.send(any(Smb2WriteRequest.class), any())).thenReturn(mockWriteResponse);
        when(mockWriteResponse.getCount()).thenReturn(8);

        // Create output stream in append mode - note the append flag sets initial fp to 100
        outputStream = new SmbFileOutputStream(mockFile, mockTreeHandle, mockFileHandle,

        keyManager.removeSessionKey(sessionId);

        // Verify main key is removed (archives stay)
        assertFalse(keyManager.hasSessionKey(sessionId), "Main key should be removed");
        // Note: Archives are not automatically removed when removing main key
    }

        CompletableFuture<Void> future = CompletableFuture.runAsync(() -> {
            while (handle.isActive()) {
                try {
                    // Note: Actual SMB2 Change Notify implementation would go here
                    // For now, this is a placeholder that simulates monitoring

                    // In a real implementation, we would:

        block.uid = 0x1234;
        block.useUnicode = true;

        byte[] buf = new byte[256];
        int n = block.writeAndXWireFormat(buf, 0);

        assertTrue(n > 0);
        // Note: In actual implementation, uid is NOT propagated for non-AndX SMBs
        // uid is only set for AndXServerMessageBlock instances (line 167 in AndXServerMessageBlock.java)

        }

        @Test
        public void testConstructorWithMalformedUrl() {
            // Test that constructor throws MalformedURLException for completely invalid URL
            // Note: http:// URLs are actually accepted by the URL constructor but the protocol is changed to smb
            String invalidUrl = "not-a-valid-url";
            assertThrows(MalformedURLException.class, () -> new SmbFile(invalidUrl));

                // Force close the handle
                this.open = false;
                this.usageCount.set(0);

                // Clear mutable references to free memory
                // Note: Some fields may be final and cannot be nulled

                // Clear any other mutable state would go here
            }
        } catch (Exception e) {

        int encodedBytes = info.encode(buffer, 0);

        // Decode
        FileBasicInfo decoded = new FileBasicInfo();
        decoded.decode(buffer, 0, 36); // decode reads 36 bytes

        // Note: When encoding time 0, SMBUtil.writeTime writes 0 directly,
        // but SMBUtil.readTime interprets 0 as Jan 1, 1601 in Unix time (-11644473600000)
        // This is the expected behavior for Windows FILETIME

        when(mockFuture.actionGet(anyLong(), any(TimeUnit.class))).thenReturn(mockHealthResponse);

        // Should not throw NullPointerException
        try {
            // Note: We can't easily test connect() fully without mocking createClient()
            // This test verifies the null check logic indirectly