// TestXLStorage case with invalid volume name.
		{
			volume: "ab",
			path:   "as-file",
			err:    errVolumeNotFound,
		},
	}

	var dataRead []byte
	// Run through all the test cases and validate for ReadAll.
	for i, testCase := range testCases {
		dataRead, err = xlStorage.ReadAll(t.Context(), testCase.volume, testCase.path)
		if err != testCase.err {

	for endPos > sw.pos && err == nil {
		var nf int // Bytes written in fragment
		dataStart, dataEnd := sw.sp[0].Offset, sw.sp[0].endOffset()
		if sw.pos < dataStart { // In a hole fragment
			bf := b[:min(int64(len(b)), dataStart-sw.pos)]
			nf, err = zeroWriter{}.Write(bf)
		} else { // In a data fragment
			bf := b[:min(int64(len(b)), dataEnd-sw.pos)]
			nf, err = sw.fw.Write(bf)
		}
		b = b[nf:]
		sw.pos += int64(nf)

octetsLoop startSinglesLoop: ADD $14*16, pTbl VLD1.P (pTbl), [T1.B16, T2.B16] singlesLoop: CMP $16, autLen BLT dataEnd SUB $16, autLen VLD1.P 16(aut), [B0.B16] dataMul: VREV64 B0.B16, B0.B16 VEOR ACC0.B16, B0.B16, B0.B16 VEXT $8, B0.B16, B0.B16, T0.B16 VEOR B0.B16, T0.B16, T0.B16 VPMULL B0.D1, T1.D1, ACC1.Q1 VPMULL2 B0.D2, T1.D2, ACC0.Q1 VPMULL T0.D1, T2.D1, ACCM.Q1 reduce() B singlesLoop dataEnd: CBZ autLen, dataBail VEOR B0.B16, B0.B16, B0.B16 ADD autLen, aut dataLoadLoop: MOVB.W -1(aut), H0 VEXT $15,...

octetsLoop startSinglesLoop: ADD $14*16, pTbl VLD1.P (pTbl), [T1.B16, T2.B16] singlesLoop: CMP $16, autLen BLT dataEnd SUB $16, autLen VLD1.P 16(aut), [B0.B16] dataMul: VREV64 B0.B16, B0.B16 VEOR ACC0.B16, B0.B16, B0.B16 VEXT $8, B0.B16, B0.B16, T0.B16 VEOR B0.B16, T0.B16, T0.B16 VPMULL B0.D1, T1.D1, ACC1.Q1 VPMULL2 B0.D2, T1.D2, ACC0.Q1 VPMULL T0.D1, T2.D1, ACCM.Q1 reduce() B singlesLoop dataEnd: CBZ autLen, dataBail VEOR B0.B16, B0.B16, B0.B16 ADD autLen, aut dataLoadLoop: MOVB.W -1(aut), H0 VEXT $15,...