data           []byte
		expectedResult *FilterRule
		expectErr      bool
	}{
		{[]byte(`<FilterRule></FilterRule>`), nil, true},
		{[]byte(`<FilterRule><Name></Name></FilterRule>`), nil, true},
		{[]byte(`<FilterRule><Value></Value></FilterRule>`), nil, true},
		{[]byte(`<FilterRule><Name></Name><Value></Value></FilterRule>`), nil, true},
		{[]byte(`<FilterRule><Name>Prefix</Name><Value>Hello/世界</Value></FilterRule>`), nil, true},

}

// FilterRule - represents elements inside <FilterRule>...</FilterRule>
type FilterRule struct {
	Name  string `xml:"Name"`
	Value string `xml:"Value"`
}

func (filter FilterRule) isEmpty() bool {
	return filter.Name == "" && filter.Value == ""
}

// MarshalXML implements a custom marshaller to support `omitempty` feature.

	// Sample bucket notification.
	bucketNotificationBuf := `<NotificationConfiguration><QueueConfiguration><Event>s3:ObjectCreated:Put</Event><Filter><S3Key><FilterRule><Name>prefix</Name><Value>images/</Value></FilterRule></S3Key></Filter><Id>1</Id><Queue>arn:minio:sqs:us-east-1:444455556666:webhook</Queue></QueueConfiguration></NotificationConfiguration>`
	// generate a random bucket Name.