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protobuf-go/proto/messageset_test.go
Joe Tsai 1799d1111a all: rename tag and flags for legacy support 
Rename build tag "proto1_legacy" -> "protolegacy"
to be consistent with the "protoreflect" tag.

Rename flag constant "Proto1Legacy" -> "ProtoLegacy" since
it covers more than simply proto1 legacy features.
For example, it covers alpha-features of proto3 that
were eventually removed from the final proto3 release.

Change-Id: I0f4fcbadd4b5a61c87645e2e5be11d187e59157c
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/189345
Reviewed-by: Damien Neil <dneil@google.com>
2019-08-08 20:49:00 +00:00

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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style.
// license that can be found in the LICENSE file.
package proto_test
import (
"google.golang.org/protobuf/internal/encoding/pack"
"google.golang.org/protobuf/internal/flags"
"google.golang.org/protobuf/proto"
messagesetpb "google.golang.org/protobuf/internal/testprotos/messageset/messagesetpb"
msetextpb "google.golang.org/protobuf/internal/testprotos/messageset/msetextpb"
)
func init() {
if flags.ProtoLegacy {
testProtos = append(testProtos, messageSetTestProtos...)
}
}
var messageSetTestProtos = []testProto{
{
desc: "MessageSet type_id before message content",
decodeTo: []proto.Message{build(
&messagesetpb.MessageSet{},
extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
Ext1Field1: proto.Int32(10),
}),
)},
wire: pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1000),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{1, pack.EndGroupType},
}.Marshal(),
},
{
desc: "MessageSet type_id after message content",
decodeTo: []proto.Message{build(
&messagesetpb.MessageSet{},
extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
Ext1Field1: proto.Int32(10),
}),
)},
wire: pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{2, pack.VarintType}, pack.Varint(1000),
pack.Tag{1, pack.EndGroupType},
}.Marshal(),
},
{
desc: "MessageSet preserves unknown field",
decodeTo: []proto.Message{build(
&messagesetpb.MessageSet{},
extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
Ext1Field1: proto.Int32(10),
}),
unknown(pack.Message{
pack.Tag{4, pack.VarintType}, pack.Varint(30),
}.Marshal()),
)},
wire: pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1000),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{1, pack.EndGroupType},
// Unknown field
pack.Tag{4, pack.VarintType}, pack.Varint(30),
}.Marshal(),
},
{
desc: "MessageSet with unknown type_id",
decodeTo: []proto.Message{build(
&messagesetpb.MessageSet{},
unknown(pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1002),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{1, pack.EndGroupType},
}.Marshal()),
)},
wire: pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1002),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{1, pack.EndGroupType},
}.Marshal(),
},
{
desc: "MessageSet merges repeated message fields in item",
decodeTo: []proto.Message{build(
&messagesetpb.MessageSet{},
extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
Ext1Field1: proto.Int32(10),
Ext1Field2: proto.Int32(20),
}),
)},
wire: pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1000),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{2, pack.VarintType}, pack.Varint(20),
}),
pack.Tag{1, pack.EndGroupType},
}.Marshal(),
},
{
desc: "MessageSet merges message fields in repeated items",
decodeTo: []proto.Message{build(
&messagesetpb.MessageSet{},
extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
Ext1Field1: proto.Int32(10),
Ext1Field2: proto.Int32(20),
}),
extend(msetextpb.E_Ext2_MessageSetExtension, &msetextpb.Ext2{
Ext2Field1: proto.Int32(30),
}),
)},
wire: pack.Message{
// Ext1, field1
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1000),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{1, pack.EndGroupType},
// Ext2, field1
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1001),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(30),
}),
pack.Tag{1, pack.EndGroupType},
// Ext2, field2
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1000),
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{2, pack.VarintType}, pack.Varint(20),
}),
pack.Tag{1, pack.EndGroupType},
}.Marshal(),
},
{
desc: "MessageSet with missing type_id",
decodeTo: []proto.Message{build(
&messagesetpb.MessageSet{},
unknown(pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{1, pack.EndGroupType},
}.Marshal()),
)},
wire: pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
pack.Tag{1, pack.VarintType}, pack.Varint(10),
}),
pack.Tag{1, pack.EndGroupType},
}.Marshal(),
},
{
desc: "MessageSet with missing message",
decodeTo: []proto.Message{build(
&messagesetpb.MessageSet{},
extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{}),
)},
wire: pack.Message{
pack.Tag{1, pack.StartGroupType},
pack.Tag{2, pack.VarintType}, pack.Varint(1000),
pack.Tag{1, pack.EndGroupType},
}.Marshal(),
},
}
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