/**
   * Validate streams generate the same output.
   *
   * @param expIn Expected input stream.
   * @param actIn Actual input stream.
   * @param expSize Expected size of the streams.
   * @param seek Seek to use async position-based reading or {@code null} to use simple continuous
   *     reading.
   * @throws IOException In case of any IO exception.
   */
  private void assertEqualStreams(
      InputStream expIn, GridGgfsInputStream actIn, @Nullable Long expSize, @Nullable Long seek)
      throws IOException {
    if (seek != null) expIn.skip(seek);

    int bufSize = 2345;
    byte buf1[] = new byte[bufSize];
    byte buf2[] = new byte[bufSize];
    long pos = 0;

    long start = System.currentTimeMillis();

    while (true) {
      int read = (int) Math.min(bufSize, expSize - pos);

      int i1;

      if (seek == null) i1 = actIn.read(buf1, 0, read);
      else if (seek % 2 == 0) i1 = actIn.read(pos + seek, buf1, 0, read);
      else {
        i1 = read;

        actIn.readFully(pos + seek, buf1, 0, read);
      }

      // Read at least 0 byte, but don't read more then 'i1' or 'read'.
      int i2 = expIn.read(buf2, 0, Math.max(0, Math.min(i1, read)));

      if (i1 != i2) {
        fail(
            "Expects the same data [read="
                + read
                + ", pos="
                + pos
                + ", seek="
                + seek
                + ", i1="
                + i1
                + ", i2="
                + i2
                + ']');
      }

      if (i1 == -1) break; // EOF

      // i1 == bufSize => compare buffers.
      // i1 <  bufSize => Compare part of buffers, rest of buffers are equal from previous
      // iteration.
      assertTrue(
          "Expects the same data [read="
              + read
              + ", pos="
              + pos
              + ", seek="
              + seek
              + ", i1="
              + i1
              + ", i2="
              + i2
              + ']',
          Arrays.equals(buf1, buf2));

      if (read == 0) break; // Nothing more to read.

      pos += i1;
    }

    if (expSize != null) assertEquals(expSize.longValue(), pos);

    long time = System.currentTimeMillis() - start;

    if (time != 0 && log.isInfoEnabled()) {
      log.info(
          String.format(
              "Streams were compared in continuous reading " + "[size=%7d, rate=%3.1f MB/sec]",
              expSize, expSize * 1000. / time / 1024 / 1024));
    }
  }
 @Test
 public void putBigObject() {
   HazelcastClient hClient = getHazelcastClient();
   Map<String, Object> clientMap = hClient.getMap("putABigObject");
   List list = new ArrayList();
   int size = 10000000;
   byte[] b = new byte[size];
   b[size - 1] = (byte) 144;
   list.add(b);
   clientMap.put("obj", b);
   byte[] bigB = (byte[]) clientMap.get("obj");
   assertTrue(Arrays.equals(b, bigB));
   assertEquals(size, bigB.length);
 }
  private int compare(Revision a, Revision b) {
    if (Arrays.equals(a._id, b._id)) return 0;

    Version va = getVersion(a);
    Version vb = getVersion(b);
    int n = va.compareTo(vb);
    if (n != 0) return n;

    if (a.created != b.created) return a.created > b.created ? 1 : -1;

    for (int i = 0; i < a._id.length; i++)
      if (a._id[i] != b._id[i]) return a._id[i] > b._id[i] ? 1 : -1;

    return 0;
  }
  public String verify(JarFile jar, String... algorithms) throws IOException {
    if (algorithms == null || algorithms.length == 0) algorithms = new String[] {"MD5", "SHA"};
    else if (algorithms.length == 1 && algorithms[0].equals("-")) return null;

    try {
      Manifest m = jar.getManifest();
      if (m.getEntries().isEmpty()) return "No name sections";

      for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements(); ) {
        JarEntry je = e.nextElement();
        if (MANIFEST_ENTRY.matcher(je.getName()).matches()) continue;

        Attributes nameSection = m.getAttributes(je.getName());
        if (nameSection == null) return "No name section for " + je.getName();

        for (String algorithm : algorithms) {
          try {
            MessageDigest md = MessageDigest.getInstance(algorithm);
            String expected = nameSection.getValue(algorithm + "-Digest");
            if (expected != null) {
              byte digest[] = Base64.decodeBase64(expected);
              copy(jar.getInputStream(je), md);
              if (!Arrays.equals(digest, md.digest()))
                return "Invalid digest for "
                    + je.getName()
                    + ", "
                    + expected
                    + " != "
                    + Base64.encodeBase64(md.digest());
            } else reporter.error("could not find digest for " + algorithm + "-Digest");
          } catch (NoSuchAlgorithmException nsae) {
            return "Missing digest algorithm " + algorithm;
          }
        }
      }
    } catch (Exception e) {
      return "Failed to verify due to exception: " + e.getMessage();
    }
    return null;
  }