xref: /aosp_15_r20/external/golang-protobuf/proto/bench_test.go (revision 1c12ee1efe575feb122dbf939ff15148a3b3e8f2)
1// Copyright 2019 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package proto_test
6
7import (
8	"flag"
9	"fmt"
10	"reflect"
11	"testing"
12
13	"google.golang.org/protobuf/proto"
14)
15
16// The results of these microbenchmarks are unlikely to correspond well
17// to real world performance. They are mainly useful as a quick check to
18// detect unexpected regressions and for profiling specific cases.
19
20var (
21	allowPartial = flag.Bool("allow_partial", false, "set AllowPartial")
22)
23
24// BenchmarkEncode benchmarks encoding all the test messages.
25func BenchmarkEncode(b *testing.B) {
26	for _, test := range testValidMessages {
27		for _, want := range test.decodeTo {
28			opts := proto.MarshalOptions{AllowPartial: *allowPartial}
29			b.Run(fmt.Sprintf("%s (%T)", test.desc, want), func(b *testing.B) {
30				b.RunParallel(func(pb *testing.PB) {
31					for pb.Next() {
32						_, err := opts.Marshal(want)
33						if err != nil && !test.partial {
34							b.Fatal(err)
35						}
36					}
37				})
38			})
39		}
40	}
41}
42
43// BenchmarkDecode benchmarks decoding all the test messages.
44func BenchmarkDecode(b *testing.B) {
45	for _, test := range testValidMessages {
46		for _, want := range test.decodeTo {
47			opts := proto.UnmarshalOptions{AllowPartial: *allowPartial}
48			b.Run(fmt.Sprintf("%s (%T)", test.desc, want), func(b *testing.B) {
49				b.RunParallel(func(pb *testing.PB) {
50					for pb.Next() {
51						m := reflect.New(reflect.TypeOf(want).Elem()).Interface().(proto.Message)
52						err := opts.Unmarshal(test.wire, m)
53						if err != nil && !test.partial {
54							b.Fatal(err)
55						}
56					}
57				})
58			})
59		}
60	}
61}
62