1// Go support for Protocol Buffers - Google's data interchange format
2//
3// Copyright 2010 The Go Authors.  All rights reserved.
4// https://github.com/golang/protobuf
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met:
9//
10//     * Redistributions of source code must retain the above copyright
11// notice, this list of conditions and the following disclaimer.
12//     * Redistributions in binary form must reproduce the above
13// copyright notice, this list of conditions and the following disclaimer
14// in the documentation and/or other materials provided with the
15// distribution.
16//     * Neither the name of Google Inc. nor the names of its
17// contributors may be used to endorse or promote products derived from
18// this software without specific prior written permission.
19//
20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32// +build go1.7
33
34package proto_test
35
36import (
37	"strconv"
38	"testing"
39
40	"github.com/golang/protobuf/proto"
41	tpb "github.com/golang/protobuf/proto/proto3_proto"
42	"github.com/golang/protobuf/ptypes"
43)
44
45var (
46	blackhole []byte
47)
48
49// BenchmarkAny creates increasingly large arbitrary Any messages.  The type is always the
50// same.
51func BenchmarkAny(b *testing.B) {
52	data := make([]byte, 1<<20)
53	quantum := 1 << 10
54	for i := uint(0); i <= 10; i++ {
55		b.Run(strconv.Itoa(quantum<<i), func(b *testing.B) {
56			for k := 0; k < b.N; k++ {
57				inner := &tpb.Message{
58					Data: data[:quantum<<i],
59				}
60				outer, err := ptypes.MarshalAny(inner)
61				if err != nil {
62					b.Error("wrong encode", err)
63				}
64				raw, err := proto.Marshal(&tpb.Message{
65					Anything: outer,
66				})
67				if err != nil {
68					b.Error("wrong encode", err)
69				}
70				blackhole = raw
71			}
72		})
73	}
74}
75
76// BenchmarkEmpty measures the overhead of doing the minimal possible encode.
77func BenchmarkEmpty(b *testing.B) {
78	for i := 0; i < b.N; i++ {
79		raw, err := proto.Marshal(&tpb.Message{})
80		if err != nil {
81			b.Error("wrong encode", err)
82		}
83		blackhole = raw
84	}
85}
86