byte[] offBuf = new byte[cnt];
        int pos = 0;
        while ( pos < cnt ) {
            int r = is.read(offBuf, pos, offBuf.length - pos);
            if ( r < 0 ) {
                fail("EOF while reading");
            }
            pos += r;
        }

        for ( int i = 0; i < offBuf.length; i++ ) {
            if ( offBuf[ i ] != 0 ) {

	}

	// To generate random offset/length.
	r := rand.New(rand.NewSource(UTCNow().UnixNano()))

	buf := &bytes.Buffer{}

	// Verify erasure.Decode() for random offsets and lengths.
	for i := 0; i < iterations; i++ {
		offset := r.Int63n(length)
		readLen := r.Int63n(length - offset)

		expected := data[offset : offset+readLen]

		// Get the checksums of the current part.

                                   << ", offset = " << offset << ", n = " << n;
        } else {
          // Expect a partial read.
          EXPECT_EQ(got.size(), size - offset)
              << "block size = " << block_size << ", offset = " << offset
              << ", n = " << n;
        }
        // Verify the contents of the read.
        std::vector<char>::const_iterator begin = buf.begin() + offset;

    /**
     * Update digest with data
     * 
     * @param input
     * @param offset
     * @param len
     */
    public void update ( byte[] input, int offset, int len ) {
        if ( log.isTraceEnabled() ) {
            log.trace("update: " + this.updates + " " + offset + ":" + len);
            log.trace(Hexdump.toHexString(input, offset, Math.min(len, 256)));
        }
        if ( len == 0 ) {

            this.andx = null;

            dst[ start + ANDX_COMMAND_OFFSET ] = (byte) 0xFF;
            dst[ start + ANDX_RESERVED_OFFSET ] = (byte) 0x00;
            // dst[start + ANDX_OFFSET_OFFSET] = (byte)0x00;
            // dst[start + ANDX_OFFSET_OFFSET + 1] = (byte)0x00;
            dst[ start + ANDX_OFFSET_OFFSET ] = (byte) 0xde;
            dst[ start + ANDX_OFFSET_OFFSET + 1 ] = (byte) 0xde;

            // andx not used; return

    const auto& data = block->data;
    if (offset >= pos + data.size()) {
      // The requested offset is at or beyond the end of the file. This can
      // happen if `offset` is not block-aligned, and the read returns the last
      // block in the file, which does not extend all the way out to `offset`.
      std::stringstream os;
      os << "EOF at offset " << offset << " in file " << filename

// timeZone returns a *time.Location based on the provided offset.
// If the offset is non-sensible, then this uses an offset of zero.
func timeZone(offset time.Duration) *time.Location {
	const (
		minOffset   = -12 * time.Hour  // E.g., Baker island at -12:00
		maxOffset   = +14 * time.Hour  // E.g., Line island at +14:00
		offsetAlias = 15 * time.Minute // E.g., Nepal at +5:45
	)
	offset = offset.Round(offsetAlias)

	{dataBlocks: 4, onDisks: 8, offDisks: 2, blocksize: int64(blockSizeV2), data: oneMiByte, offset: 2, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false},                 // 2

        this.isBroadcast = ( ( src[ srcIndex + OPCODE_OFFSET + 1 ] & 0x10 ) == 0 ) ? false : true;
        this.resultCode = src[ srcIndex + OPCODE_OFFSET + 1 ] & 0x0F;
        this.questionCount = readInt2(src, srcIndex + QUESTION_OFFSET);
        this.answerCount = readInt2(src, srcIndex + ANSWER_OFFSET);
        this.authorityCount = readInt2(src, srcIndex + AUTHORITY_OFFSET);

            andx = null;

            dst[start + ANDX_COMMAND_OFFSET] = (byte)0xFF;
            dst[start + ANDX_RESERVED_OFFSET] = (byte)0x00;
//            dst[start + ANDX_OFFSET_OFFSET] = (byte)0x00;
//            dst[start + ANDX_OFFSET_OFFSET + 1] = (byte)0x00;
            dst[start + ANDX_OFFSET_OFFSET] = (byte)0xde;
            dst[start + ANDX_OFFSET_OFFSET + 1] = (byte)0xde;

            // andx not used; return