{0, 1, io.EOF, nil, nil},
}

func TestReaderWriteToErrors(t *testing.T) {
	for i, rw := range errorWriterToTests {
		r := NewReader(rw)
		if _, err := r.WriteTo(rw); err != rw.expected {
			t.Errorf("r.WriteTo(errorWriterToTests[%d]) = _, %v, want _,%v", i, err, rw.expected)
		}
	}
}

func TestWriterReadFrom(t *testing.T) {
	ws := []func(io.Writer) io.Writer{

	}

	// Check that OpenRaw returns the correct byte segment
	rw, err := f.OpenRaw()
	if err != nil {
		t.Errorf("%v: OpenRaw error=%v", f.Name, err)
		return
	}
	start, err := f.DataOffset()
	if err != nil {
		t.Errorf("%v: DataOffset error=%v", f.Name, err)
		return
	}
	got, err := io.ReadAll(rw)
	if err != nil {
		t.Errorf("%v: OpenRaw ReadAll error=%v", f.Name, err)
		return
	}

pkg syscall (darwin-arm64), const SYS_PSYNCH_RW_UNLOCK2 = 309
pkg syscall (darwin-arm64), const SYS_PSYNCH_RW_UNLOCK2 ideal-int
pkg syscall (darwin-arm64), const SYS_PSYNCH_RW_UPGRADE = 300
pkg syscall (darwin-arm64), const SYS_PSYNCH_RW_UPGRADE ideal-int
pkg syscall (darwin-arm64), const SYS_PSYNCH_RW_WRLOCK = 307
pkg syscall (darwin-arm64), const SYS_PSYNCH_RW_WRLOCK ideal-int