mirror of
https://github.com/protocolbuffers/protobuf-go.git
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00e50dc9c1
This is no longer directly used by v1. Change-Id: I14a283dd2d1572d50ebd82fdf55f7d86bfacc272 Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/172438 Reviewed-by: Damien Neil <dneil@google.com>
79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package legacy_test
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import (
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"testing"
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pimpl "github.com/golang/protobuf/v2/internal/impl"
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ptype "github.com/golang/protobuf/v2/internal/prototype"
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pref "github.com/golang/protobuf/v2/reflect/protoreflect"
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piface "github.com/golang/protobuf/v2/runtime/protoiface"
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// The legacy package must be imported prior to use of any legacy messages.
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// TODO: Remove this when protoV1 registers these hooks for you.
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plegacy "github.com/golang/protobuf/v2/internal/legacy"
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proto2_20180125 "github.com/golang/protobuf/v2/internal/testprotos/legacy/proto2.v1.0.0-20180125-92554152"
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)
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type legacyTestMessage struct {
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XXX_unrecognized []byte
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XXX_InternalExtensions map[int32]pimpl.ExtensionFieldV1
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}
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func (*legacyTestMessage) Reset() {}
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func (*legacyTestMessage) String() string { return "" }
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func (*legacyTestMessage) ProtoMessage() {}
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func (*legacyTestMessage) ExtensionRangeArray() []piface.ExtensionRangeV1 {
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return []piface.ExtensionRangeV1{{Start: 10000, End: 20000}}
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}
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func mustMakeExtensionType(x *ptype.StandaloneExtension, v interface{}) pref.ExtensionType {
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xd, err := ptype.NewExtension(x)
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if err != nil {
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panic(xd)
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}
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return pimpl.Export{}.ExtensionTypeOf(xd, v)
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}
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var (
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parentType = pimpl.Export{}.MessageTypeOf((*legacyTestMessage)(nil))
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messageV1Type = pimpl.Export{}.MessageTypeOf((*proto2_20180125.Message_ChildMessage)(nil))
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wantType = mustMakeExtensionType(&ptype.StandaloneExtension{
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FullName: "fizz.buzz.optional_message_v1",
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Number: 10007,
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Cardinality: pref.Optional,
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Kind: pref.MessageKind,
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MessageType: messageV1Type,
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ExtendedType: parentType,
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}, (*proto2_20180125.Message_ChildMessage)(nil))
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wantDesc = &piface.ExtensionDescV1{
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ExtendedType: (*legacyTestMessage)(nil),
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ExtensionType: (*proto2_20180125.Message_ChildMessage)(nil),
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Field: 10007,
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Name: "fizz.buzz.optional_message_v1",
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Tag: "bytes,10007,opt,name=optional_message_v1",
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}
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)
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func BenchmarkConvert(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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xd := plegacy.Export{}.ExtensionDescFromType(wantType)
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gotType := plegacy.Export{}.ExtensionTypeFromDesc(xd)
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if gotType != wantType {
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b.Fatalf("ExtensionType mismatch: got %p, want %p", gotType, wantType)
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}
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xt := plegacy.Export{}.ExtensionTypeFromDesc(wantDesc)
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gotDesc := plegacy.Export{}.ExtensionDescFromType(xt)
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if gotDesc != wantDesc {
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b.Fatalf("ExtensionDesc mismatch: got %p, want %p", gotDesc, wantDesc)
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}
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}
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}
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