{"path/to/my/testobject", nil},
		// TestXLStorage to use object is a directory now.
		{"object-as-dir", errIsNotRegular},
		// path segment uses previously uploaded object.
		{"myobject/testobject", errFileAccessDenied},
		// One path segment length is > 255 chars long.

	VLE8FFV		(X10), V0, V8			// 07040501
	VLE16FFV	(X10), V0, V8			// 07540501
	VLE32FFV	(X10), V0, V8			// 07640501
	VLE64FFV	(X10), V0, V8			// 07740501

	// 31.7.8: Vector Load/Store Segment Instructions

	// 31.7.8.1: Vector Unit-Stride Segment Loads and Stores
	VLSEG2E8V	(X10), V8			// 07040522
	VLSEG2E16V	(X10), V8			// 07540522
	VLSEG2E32V	(X10), V8			// 07640522
	VLSEG2E64V	(X10), V8			// 07740522

	r := NewReader(&StringReader{data: segments})
	for {
		r, _, err := r.ReadRune()
		if err != nil {
			if err != io.EOF {
				return
			}
			break
		}
		got += string(r)
	}
	if got != want {
		t.Errorf("segments=%v got=%s want=%s", segments, got, want)
	}
}

var segmentList = [][]string{
	{},
	{""},
	{"日", "本語"},
	{"\u65e5", "\u672c", "\u8a9e"},

	} else if size != f.UncompressedSize64 {
		t.Errorf("%v: UncompressedSize=%#x does not match UncompressedSize64=%#x", f.Name, size, f.UncompressedSize64)
	}

	// 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)

	}

	// On Unix we reject paths if they are just '.', '..' or '/'
	if pathName == "." || pathName == ".." || pathName == slashSeparator {
		return errFileAccessDenied
	}

	// Check each path segment length is > 255 on all Unix
	// platforms, look for this value as NAME_MAX in
	// /usr/include/linux/limits.h
	var count int64
	for _, p := range pathName {
		switch p {
		case '/':
			count = 0 // Reset

func metaDataPoolPut(buf []byte) {
	if cap(buf) >= metaDataReadDefault && cap(buf) < metaDataReadDefault*4 {
		metaDataPool.Put(buf)
	}
}

// readXLMetaNoData will load the metadata, but skip data segments.
// This should only be used when data is never interesting.
// If data is not xlv2, it is returned in full.
func readXLMetaNoData(r io.Reader, size int64) ([]byte, error) {
	initial := size
	hasFull := true