l = s.skipCount
		}
		n, err := s.Reader.Read(p[:l])
		if err != nil {
			return 0, err
		}
		s.skipCount -= int64(n)
	}
	return s.Reader.Read(p)
}

// NewSkipReader - creates a SkipReader
func NewSkipReader(r io.Reader, n int64) io.Reader {
	return &SkipReader{r, n}
}

var copyBufPool = sync.Pool{
	New: func() interface{} {
		b := make([]byte, 32*1024)
		return &b
	},
}

		{bytes.NewBuffer([]byte("abc")), 2, "c"},
		{bytes.NewBuffer([]byte("abc")), 3, ""},
		{bytes.NewBuffer([]byte("abc")), 4, ""},
	}
	for i, testCase := range testCases {
		r := NewSkipReader(testCase.src, testCase.skipLen)
		b, err := io.ReadAll(r)
		if err != nil {
			t.Errorf("Case %d: Unexpected err %v", i, err)
		}
		if string(b) != testCase.expected {

				if err != nil {
					// Call the cleanup funcs
					for i := len(cFns) - 1; i >= 0; i-- {
						cFns[i]()
					}
					return nil, err
				}
				if decryptSkip > 0 {
					inputReader = ioutil.NewSkipReader(inputReader, decryptSkip)
				}
				oi.Size = decLength
			}
			// Decompression reader.
			var dopts []s2.ReaderOption
			if off > 0 || decOff > 0 {

		cumulativeSum := int64(0)
		for _, p := range oi.partLengths {
			readers = append(readers, NewDummyDataGen(p, cumulativeSum))
			cumulativeSum += p
		}
		refReader := io.LimitReader(ioutilx.NewSkipReader(io.MultiReader(readers...), off), length)
		if ok, msg := cmpReaders(refReader, rec.Body); !ok {
			t.Fatalf("(%s) Object: %s Case %d ByteRange: %s --> data mismatch! (msg: %s)", instanceType, oi.objectName, i+1, byteRange, msg)