// Verify chain
        assertSame(level1, topLevel.getCause());
        assertSame(level2, topLevel.getCause().getCause());
        assertSame(level3, topLevel.getCause().getCause().getCause());
        assertNull(topLevel.getCause().getCause().getCause().getCause());

        // Verify messages
        assertEquals("Top level", topLevel.getMessage());

        };
        client.setAccessTimeout(1);
        try {
            client.doGet("smb1://localhost/test.txt");
            fail();
        } catch (CrawlingAccessException e) {
            assertTrue(e.getCause() instanceof InterruptedException);
        }
    }

    public void test_doHead_accessTimeoutTarget() {
        SmbClient client = new SmbClient() {
            @Override

        } catch (java.lang.reflect.InvocationTargetException e) {
            // We expect this to fail, but it should be a CIFSException, not a NullPointerException
            assertTrue(e.getCause() instanceof CIFSException);
            assertTrue(e.getCause().getMessage().contains("Failed to create multi-channel transport"));
        }
    }

    @Test
    @DisplayName("MultiChannelManager should shutdown cleanly")
    void testShutdown() {

        // Then
        assertEquals(original.getErrorCode(), retry.getErrorCode());
        assertEquals(original.getMessage(), retry.getMessage());
        assertEquals(original.getCause(), retry.getCause());
        assertNotNull(retry.getContext());
    }

    @Test
    @DisplayName("Should format message correctly")
    void testMessageFormatting() {
        // With custom message

        };
        client.setAccessTimeout(1);
        try {
            client.doGet("http://localhost/");
            fail();
        } catch (CrawlingAccessException e) {
            assertTrue(e.getCause() instanceof InterruptedException);
        }
    }

    public void test_doHead_accessTimeoutTarget() {
        HcHttpClient client = new HcHttpClient() {
            @Override

            assertTrue("Exception should be system-related", t instanceof RuntimeException || t instanceof AssertionError
                    || (t.getCause() != null && t.getCause() instanceof RuntimeException));
        }
    }

    public void test_private_methods_exist() throws Exception {
        Method[] methods = SystemMonitorTarget.class.getDeclaredMethods();

        };
        client.setAccessTimeout(1);
        try {
            client.doGet("file:/tmp/test.txt");
            fail();
        } catch (CrawlingAccessException e) {
            assertTrue(e.getCause() instanceof InterruptedException);
        }
    }

    public void test_doHead_accessTimeoutTarget() {
        FileSystemClient client = new FileSystemClient() {
            @Override

     */
    protected static IOException seToIoe(final SmbException se) {
        IOException ioe = se;
        Throwable root = se.getCause();
        if (root instanceof TransportException) {
            ioe = (TransportException) root;
            root = ioe.getCause();
        }
        if (root instanceof InterruptedException) {
            ioe = new InterruptedIOException(root.getMessage());

        };
        client.setAccessTimeout(1);
        try {
            client.doGet("smb://localhost/test.txt");
            fail();
        } catch (CrawlingAccessException e) {
            assertTrue(e.getCause() instanceof InterruptedException);
        }
    }

    public void test_doHead_accessTimeoutTarget() {
        SmbClient client = new SmbClient() {
            @Override

        };
        client.setAccessTimeout(1);
        try {
            client.doGet("ftp://localhost/test.txt");
            fail();
        } catch (CrawlingAccessException e) {
            assertTrue(e.getCause() instanceof InterruptedException);
        }
    }

    public void test_doHead_accessTimeoutTarget() {
        FtpClient client = new FtpClient() {
            @Override