assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // Verify cause's stack trace is also available
        StackTraceElement[] causeStackTrace = exception.getCause().getStackTrace();
        assertNotNull(causeStackTrace);
        assertTrue(causeStackTrace.length > 0);
    }

    public void test_toString() {
        // Test toString method

    Optional<String> empty = Optional.empty();
    Optional<String> abc = Optional.of("abc");
    Optional<String> z = Optional.of("z");

    Comparator<Optional<String>> comparator = emptiesFirst(comparing(String::length));
    testComparator(comparator, empty, z, abc);

    // Just demonstrate that no explicit type parameter is required
    Comparator<Optional<String>> unused = emptiesFirst(naturalOrder());
  }

     * result[3] = "link2\foo\bar.txt"
     */
    void dfsPathSplit(final String path, final String[] result) {
        int ri = 0;
        final int rlast = result.length - 1;
        int i = 0, b = 0;
        final int len = path.length();

        do {
            if (ri == rlast) {
                result[rlast] = path.substring(b);
                return;
            }

        decodedEnumArray1.decode(src);

        assertEquals(0, decodedEnumArray1.count);
        assertNotNull(decodedEnumArray1.s);
        assertEquals(0, decodedEnumArray1.s.length);
    }

    @Test
    void testDfsEnumArray1_EncodeDecode_NullArray() throws NdrException {
        netdfs.DfsEnumArray1 enumArray1 = new netdfs.DfsEnumArray1();
        enumArray1.count = 0;

        final String unc = loc.getUNCPath();
        final String p = loc.getURL().getPath();
        if (p.lastIndexOf('/') != p.length() - 1) {
            throw new SmbException(loc.getURL() + " directory must end with '/'");
        }
        if (unc.lastIndexOf('\\') != unc.length() - 1) {
            throw new SmbException(unc + " UNC must end with '\\'");
        }

        final SmbTreeHandleImpl th = getTreeHandle();

                checkForUpdates = true;
            }
        } else if (updatePolicy.startsWith(UPDATE_POLICY_INTERVAL)) {
            String s = updatePolicy.substring(UPDATE_POLICY_INTERVAL.length() + 1);
            int minutes = Integer.parseInt(s);
            Calendar cal = Calendar.getInstance();
            cal.add(Calendar.MINUTE, -minutes);
            if (cal.getTime().after(lastModified)) {

  private var headerLimit = HEADER_LIMIT.toLong()

  /** Read a single line counted against the header size limit. */
  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()

    checkNotNull(other);
    int size = size();

    if (other.length < size) {
      Object[] internal = internalArray();
      if (internal != null) {
        return Platform.copy(internal, internalArrayStart(), internalArrayEnd(), other);
      }
      other = ObjectArrays.newArray(other, size);
    } else if (other.length > size) {
      other[size] = null;
    }
    copyIntoArray(other, 0);

           */
          toJoin = Arrays.copyOf(toJoin, expandedCapacity(toJoin.length, toJoin.length + 1));
        }
        toJoin[i++] = toString(part);
      }
      // We might not have seen the expected number of elements, as discussed above.
      if (i != toJoin.length) {
        toJoin = Arrays.copyOf(toJoin, i);
      }
      return String.join(separator, toJoin);
    }

            return username;
        }

        // Show first and last character only
        if (username.length() <= 2) {
            return "***";
        }

        return username.charAt(0) + "***" + username.charAt(username.length() - 1);
    }

    private String maskIpAddress(String ip) {
        if (!maskSensitiveData || ip == null) {
            return ip;
        }