type qProp struct {
	isAggregation, isRowFunc bool

	err error
}

// `combine` combines a pair of `qProp`s, so that errors are
// propagated correctly, and checks that an aggregation is not being
// combined with a row-function term.
func (p *qProp) combine(q qProp) {
	switch {
	case p.err != nil:
		// Do nothing
	case q.err != nil:
		p.err = q.err
	default:
		p.isAggregation = p.isAggregation || q.isAggregation

	}
	if opts.startOffset >= 0 && opts.length > 0 {
		if err := gopts.SetRange(opts.startOffset, opts.startOffset+opts.length-1); err != nil {
			return nil, s3.ToObjectError(err, object)
		}
	}
	c := &minio.Core{Client: s3.client}
	// Important to use core primitives here to pass range get options as is.
	r, _, _, err := c.GetObject(ctx, s3.Bucket, s3.getDest(object), gopts)
	if err != nil {
		return nil, s3.ToObjectError(err, object)
	}

				after := cs[idx]

				if after.before == "" {
					after.before = c.name
				}

				if err := sortCallback(after); err != nil {
					return err
				}

				if err := sortCallback(c); err != nil {
					return err
				}
			}
		}

		// if current callback haven't been sorted, append it to last
		if getRIndex(sorted, c.name) == -1 {

// key.
func (s3 sses3) UnsealObjectKey(k *kms.KMS, metadata map[string]string, bucket, object string) (key ObjectKey, err error) {
	if k == nil {
		return key, Errorf("KMS not configured")
	}
	keyID, kmsKey, sealedKey, err := s3.ParseMetadata(metadata)
	if err != nil {
		return key, err
	}
	unsealKey, err := k.Decrypt(context.TODO(), &kms.DecryptRequest{
		Name:           keyID,
		Ciphertext:     kmsKey,

	nDisks := 32
	fsDirs, err := getRandomDisks(nDisks)
	if err != nil {
		return nil, nil, err
	}

	pools := mustGetPoolEndpoints(0, fsDirs[:16]...)
	pools = append(pools, mustGetPoolEndpoints(1, fsDirs[16:]...)...)

	// Everything is fine, should return nil
	objLayer, err := newErasureServerPools(context.Background(), pools)
	if err != nil {
		return nil, nil, err
	}
	return objLayer, fsDirs, nil
}

		_, err := checkURL(testCase.urlStr)
		if testCase.shouldPass && err != nil {
			t.Errorf("Test %d: expected to pass but got an error: %v\n", i+1, err)
		}
		if !testCase.shouldPass && err == nil {
			t.Errorf("Test %d: expected to fail but passed.", i+1)
		}
	}
}

// Testing dumping request function.
func TestDumpRequest(t *testing.T) {

			Resources: []string{name},
			Source:    t.Name(),
			Owner:     "owner",
			Quorum:    &quorum,
		}
		ok, err := l.RLock(ctx, arg)
		if err != nil {
			t.Fatal(err)
		}
		if !ok {
			t.Fatal("did not get read lock")
		}
		// RLock twice
		ok, err = l.RLock(ctx, arg)
		if err != nil {
			t.Fatal(err)
		}
		if !ok {
			t.Fatal("did not get write lock")
		}

		rResources[i] = arg.Resources[0]
	}

		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	res, err := obj.NewMultipartUpload(context.Background(), bucket, "\\", opts)
	if err != nil {
		t.Fatalf("%s : %s", instanceType, err.Error())
	}

	err = obj.AbortMultipartUpload(context.Background(), bucket, "\\", res.UploadID, opts)
	if err != nil {
		switch err.(type) {
		case InvalidUploadID:

	if err := checkListObjsArgs(ctx, bucket, prefix, keyMarker); err != nil {
		return err
	}
	if uploadIDMarker != "" {
		if HasSuffix(keyMarker, SlashSeparator) {
			return InvalidUploadIDKeyCombination{
				UploadIDMarker: uploadIDMarker,
				KeyMarker:      keyMarker,
			}
		}
		_, err := base64.RawURLEncoding.DecodeString(uploadIDMarker)
		if err != nil {
			return MalformedUploadID{

	}
	dst = dst[:skip]
	if skip > 0 {
		n, err := io.ReadFull(r.buf, dst)
		if err != nil && err != io.ErrUnexpectedEOF {
			// If an EOF happens after reading some but not all the bytes,
			// ReadFull returns ErrUnexpectedEOF.
			return dst[:n], err
		}
		dst = dst[:n]
		if err == io.ErrUnexpectedEOF {
			return dst, io.EOF
		}
	}
	// Read until next line.
	in, err := r.buf.ReadBytes('\n')
	dst = append(dst, in...)