private long readAndVerifyBlock(long pos, HFileContext ctx, HFileBlock.FSReaderImpl hbr, int size) throws IOException { HFileBlock b = hbr.readBlockData(pos, -1, -1, false); assertEquals(0, HFile.getChecksumFailuresCount()); b.sanityCheck(); assertFalse(b.isUnpacked()); b = b.unpack(ctx, hbr); LOG.info( "Read a block at " + pos + " with" + " onDiskSizeWithHeader=" + b.getOnDiskSizeWithHeader() + " uncompressedSizeWithoutHeader=" + b.getOnDiskSizeWithoutHeader() + " uncompressedSizeWithoutHeader=" + b.getUncompressedSizeWithoutHeader()); DataInputStream dis = b.getByteStream(); for (int i = 0; i < size; i++) { int read = dis.readInt(); if (read != i) { fail("Block data corrupt at element " + i); } } return b.getOnDiskSizeWithHeader(); }