t.Errorf("%d. read = %v; want %v", i, err, tt.readerr)
			continue
		}
		got := string(buf[:n])
		if got != tt.want {
			t.Errorf("%d. got %q; want %q", i, got, tt.want)
		}
	}
}

func TestReadAfterBigSeek(t *testing.T) {
	r := NewReader([]byte("0123456789"))
	if _, err := r.Seek(1<<31+5, io.SeekStart); err != nil {
		t.Fatal(err)
	}
	if n, err := r.Read(make([]byte, 10)); n != 0 || err != io.EOF {