assertSame(a3, l3.getNextAddress());
        assertFalse(l3.hasNextAddress());

        // UnknownHostException yields CIFSException
        when(nsc.getAllByName("badhost", true)).thenThrow(new UnknownHostException("nope"));
        SmbResourceLocatorImpl bad = locator("smb://badhost/");
        CIFSException ex = assertThrows(CIFSException.class, bad::getAddress);

        assertTrue(handle.hasCapability(123));
        verify(treeConnection).hasCapability(123);

        // Exception path
        when(treeConnection.hasCapability(999)).thenThrow(new SmbException("Not connected"));
        SmbException ex = assertThrows(SmbException.class, () -> handle.hasCapability(999));
        assertTrue(ex.getMessage().contains("Not connected"));
    }

    @Test

        // Arrange: filter delegates to isDirectory which may throw SmbException
        SmbFileFilter filter = f -> f.isDirectory();
        SmbException boom = new SmbException("io error");
        when(smbFile.isDirectory()).thenThrow(boom);

        // Act + Assert
        SmbException thrown = assertThrows(SmbException.class, () -> filter.accept(smbFile));
        assertEquals("io error", thrown.getMessage());

     * @throws IOException
     */
    @Test
    void testHandshakeThrowsRuntimeExceptionOnFailure() throws Exception {
        // Arrange
        when(mockConnection.getHeaderField(0)).thenThrow(new RuntimeException("Connection failed"));
        doNothing().when(mockConnection).connect();

        // Act & Assert
        assertThrows(RuntimeCIFSException.class, () -> {

    void testReauthenticatePropagates() throws Exception {
        SmbSessionImpl session = newSession();
        // Cause the inner reauthenticate to fail at first transport call
        when(transport.getNegotiateResponse()).thenThrow(new SmbException("fail"));
        assertThrows(CIFSException.class, session::reauthenticate);
    }

            mockedCrypto.when(Crypto::getMD5).thenReturn(mockMd5);
            HMACT64 originalHmac = new HMACT64(TEST_KEY);

            when(mockMd5.clone()).thenThrow(new CloneNotSupportedException("Test Clone Not Supported"));

            assertThrows(IllegalStateException.class, originalHmac::clone);
        }
    }

    }

    @Test
    void testFailureWithNoAlternativeChannels() throws Exception {
        failedChannel.addPendingOperation(mockOperation);

        when(mockLoadBalancer.selectChannel(mockOperation)).thenThrow(new ChannelLoadBalancer.NoAvailableChannelException("No channels"));

        IOException error = new IOException("Connection failed");

        // Should not throw exception even if no alternative channels

        when(tree.getConfig()).thenReturn(config);
        when(config.getTransactionBufferSize()).thenReturn(65535);
        when(tree.send(any(Smb2IoctlRequest.class), eq(RequestParam.NO_RETRY))).thenThrow(new SmbException("boom"));

        IOException ex = assertThrows(IOException.class, stream::available, "Should convert SmbException to IOException");
        assertTrue(ex.getMessage().contains("boom"));
    }

        responseData.setResponseBody(content);

        when(crawlerContainer.getComponent("sitemapsHelper")).thenReturn(sitemapsHelper);
        when(sitemapsHelper.parse(any(InputStream.class))).thenThrow(new RuntimeException("Parse error"));

        // Execute and verify RuntimeException is thrown
        try {
            processor.process(responseData);
            fail("Should throw RuntimeException");

        try (MockedStatic<KerberosEncData> mockedEncData = Mockito.mockStatic(KerberosEncData.class)) {
            mockedEncData.when(() -> KerberosEncData.decrypt(ENCRYPTED_DATA, kerberosKey, ENCRYPTION_TYPE))
                    .thenThrow(new GeneralSecurityException("Decryption error"));

            PACDecodingException e = assertThrows(PACDecodingException.class, () -> new KerberosTicket(token, (byte) 0, keys));