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(ex.getMessage().contains("Failed to lookup address"));
    }