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vendor/github.com/golang/protobuf/proto/encode_test.go

@@ -0,0 +1,83 @@
+// 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.
+
+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
+	}
+}