func BenchmarkUnmarshalByAvro(b *testing.B) {
	codec, err := goavro.NewCodec(avroSchema)
	if err != nil {
		panic(err)
	}
	someRecord, err := goavro.NewRecord(goavro.RecordSchema(avroSchema))
	someRecord.Set("id", int32(1))
	someRecord.Set("name", "Reds")
	colors := []string{"Crimson", "Red", "Ruby", "Maroon"}
	s := make([]interface{}, len(colors))
	for i, v := range colors {
		s[i] = v
	}
	someRecord.Set("colors", s)

	buf := new(bytes.Buffer)
	err = codec.Encode(buf, someRecord)
	if err != nil {
		panic(err)
	}
	objectBytes := buf.Bytes()

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		_, err = codec.Decode(bytes.NewReader(objectBytes))
		if err != nil {
			panic(err)
		}
	}
}
func BenchmarkDecodeCodec(b *testing.B) {
	codec := testapi.Default.Codec()
	items := benchmarkItems()
	width := len(items)
	encoded := make([][]byte, width)
	for i := range items {
		data, err := codec.Encode(&items[i])
		if err != nil {
			b.Fatal(err)
		}
		encoded[i] = data
	}

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		if _, err := codec.Decode(encoded[i%width]); err != nil {
			b.Fatal(err)
		}
	}
	b.StopTimer()
}