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restic/vendor/github.com/golang/protobuf/proto/encode_test.go
2017-08-06 21:47:56 +02:00

86 lines
2.7 KiB
Go

// Go support for Protocol Buffers - Google's data interchange format
//
// Copyright 2010 The Go Authors. All rights reserved.
// https://github.com/golang/protobuf
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// +build go1.7
package proto_test
import (
"strconv"
"testing"
"github.com/golang/protobuf/proto"
tpb "github.com/golang/protobuf/proto/proto3_proto"
"github.com/golang/protobuf/ptypes"
)
var (
blackhole []byte
)
// BenchmarkAny creates increasingly large arbitrary Any messages. The type is always the
// same.
func BenchmarkAny(b *testing.B) {
data := make([]byte, 1<<20)
quantum := 1 << 10
for i := uint(0); i <= 10; i++ {
b.Run(strconv.Itoa(quantum<<i), func(b *testing.B) {
for k := 0; k < b.N; k++ {
inner := &tpb.Message{
Data: data[:quantum<<i],
}
outer, err := ptypes.MarshalAny(inner)
if err != nil {
b.Error("wrong encode", err)
}
raw, err := proto.Marshal(&tpb.Message{
Anything: outer,
})
if err != nil {
b.Error("wrong encode", err)
}
blackhole = raw
}
})
}
}
// BenchmarkEmpy measures the overhead of doing the minimal possible encode.
func BenchmarkEmpy(b *testing.B) {
for i := 0; i < b.N; i++ {
raw, err := proto.Marshal(&tpb.Message{})
if err != nil {
b.Error("wrong encode", err)
}
blackhole = raw
}
}