Method BitFlipFileByteRange

be/src/kudu/util/pb_util-test.cc:158–190

}

Status TestPBUtil::BitFlipFileByteRange(const string& path, uint64_t offset, uint64_t length) {
  faststring buf;
  // Read the data from disk.
  {
    unique_ptr<RandomAccessFile> file;
    RandomAccessFileOptions opts;
    opts.is_sensitive = false;
    RETURN_NOT_OK(env_->NewRandomAccessFile(opts, path, &file));
    uint64_t size;
    RETURN_NOT_OK(file->Size(&size));
    faststring scratch;
    scratch.resize(size);
    Slice slice(scratch.data(), size);
    RETURN_NOT_OK(file->Read(0, slice));
    buf.append(slice.data(), slice.size());
  }

  // Flip the bits.
  for (uint64_t i = 0; i < length; i++) {
    uint8_t* addr = buf.data() + offset + i;
    *addr = ~*addr;
  }

  // Write the data back to disk.
  unique_ptr<WritableFile> file;
  WritableFileOptions opts;
  opts.is_sensitive = false;
  RETURN_NOT_OK(env_->NewWritableFile(opts, path, &file));
  RETURN_NOT_OK(file->Append(buf));
  RETURN_NOT_OK(file->Close());

  return Status::OK();
}

Status TestPBUtil::TruncateFile(const string& path, uint64_t size) {
  unique_ptr<RWFile> file;