CmisSync.Lib.Storage.FileSystem.ExtendedAttributeReaderUnix.SetExtendedAttribute C# (CSharp) Method

        public void SetExtendedAttribute(string path, string key, string value, bool restoreLastModificationDate = false) {
#if __MonoCS__
            path = Path.GetFullPath(path);
            if (!File.Exists(path) && !Directory.Exists(path)) {
                throw new FileNotFoundException(string.Format("{0}: on path \"{1}\"", "No such file or directory", path), path);
            }

            long ret;
            if (value == null) {
                RemoveExtendedAttribute(path, key);
                return;
            } else {
                ret = Syscall.setxattr(path, prefix + key, Encoding.UTF8.GetBytes(value));
            }

            if (ret != 0) {
                throw new ExtendedAttributeException(string.Format("{0}: on path \"{1}\"", Syscall.GetLastError().ToString(), path));
            }
#else
            throw new WrongPlatformException();
#endif
        }

 public void SetAttributeToFile()
 {
     using (File.Create(path));
     string key = "test";
     string value = "value";
     var reader = new ExtendedAttributeReaderUnix();
     reader.SetExtendedAttribute(path, key, value);
     Assert.That(reader.GetExtendedAttribute(path, key).Equals(value));
 }