{"myobject", nil},
		// TestXLStorage to use same path of previously created file.
		{"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.

	if err := checkNewMultipartArgs(ctx, srcBucket, srcObject); err != nil {
		return PartInfo{}, err
	}

	return z.PutObjectPart(ctx, destBucket, destObject, uploadID, partID,
		srcInfo.PutObjReader, dstOpts)
}