Method Seek

cpp/src/arrow/io/test_common.cc:121–121

  bool closed() const override { return delegate_->closed(); }
  Result<int64_t> Tell() const override { return delegate_->Tell(); }
  Status Seek(int64_t position) override { return delegate_->Seek(position); }
  Result<int64_t> Read(int64_t nbytes, void* out) override {
    ARROW_ASSIGN_OR_RAISE(auto position, delegate_->Tell());
    SaveReadRange(position, nbytes);