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// Copyright 2024 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 (
"bytes"
"testing"
testhybridpb "google.golang.org/protobuf/internal/testprotos/testeditions/testeditions_hybrid"
"google.golang.org/protobuf/proto"
)
func TestOneofOrDefault(t *testing.T) {
for _, tt := range []struct {
desc string
input func() *testhybridpb.TestAllTypes
}{
{
desc: "struct literal with nil nested message",
input: func() *testhybridpb.TestAllTypes {
return &testhybridpb.TestAllTypes{
OneofField: &testhybridpb.TestAllTypes_OneofNestedMessage{
OneofNestedMessage: nil,
},
}
},
},
{
desc: "struct literal with non-nil nested message",
input: func() *testhybridpb.TestAllTypes {
return &testhybridpb.TestAllTypes{
OneofField: &testhybridpb.TestAllTypes_OneofNestedMessage{
OneofNestedMessage: &testhybridpb.TestAllTypes_NestedMessage{},
},
}
},
},
{
desc: "opaque setter with ValueOrDefault",
input: func() *testhybridpb.TestAllTypes {
msg := &testhybridpb.TestAllTypes{}
msg.ClearOneofString()
var val *testhybridpb.TestAllTypes_NestedMessage
msg.SetOneofNestedMessage(proto.ValueOrDefault(val))
return msg
},
},
{
desc: "opaque builder with ValueOrDefault",
input: func() *testhybridpb.TestAllTypes {
var val *testhybridpb.TestAllTypes_NestedMessage
return testhybridpb.TestAllTypes_builder{
OneofNestedMessage: proto.ValueOrDefault(val),
}.Build()
},
},
} {
t.Run(tt.desc, func(t *testing.T) {
msg := tt.input()
b, err := proto.Marshal(msg)
if err != nil {
t.Fatal(err)
}
want := []byte{130, 7, 0}
if !bytes.Equal(b, want) {
t.Fatalf("Marshal: got %x, want %x", b, want)
}
if !msg.HasOneofField() {
t.Fatalf("HasOneofField was false, want true")
}
if got, want := msg.WhichOneofField(), testhybridpb.TestAllTypes_OneofNestedMessage_case; got != want {
t.Fatalf("WhichOneofField: got %v, want %v", got, want)
}
if !msg.HasOneofNestedMessage() {
t.Fatalf("HasOneofNestedMessage was false, want true")
}
if msg.HasOneofString() {
t.Fatalf("HasOneofString was true, want false")
}
})
}
}
func TestOneofOrDefaultBytes(t *testing.T) {
for _, tt := range []struct {
desc string
input func() *testhybridpb.TestAllTypes
wantWire []byte
}{
{
desc: "struct literal with nil bytes",
input: func() *testhybridpb.TestAllTypes {
return &testhybridpb.TestAllTypes{
OneofField: &testhybridpb.TestAllTypes_OneofBytes{
OneofBytes: nil,
},
}
},
},
{
desc: "struct literal with non-nil bytes",
input: func() *testhybridpb.TestAllTypes {
return &testhybridpb.TestAllTypes{
OneofField: &testhybridpb.TestAllTypes_OneofBytes{
OneofBytes: []byte{},
},
}
},
},
{
desc: "opaque setter with ValueOrDefaultBytes",
input: func() *testhybridpb.TestAllTypes {
msg := &testhybridpb.TestAllTypes{}
msg.ClearOneofString()
var val []byte
msg.SetOneofBytes(proto.ValueOrDefaultBytes(val))
return msg
},
},
{
desc: "opaque setter",
input: func() *testhybridpb.TestAllTypes {
msg := &testhybridpb.TestAllTypes{}
msg.ClearOneofString()
var val []byte
msg.SetOneofBytes(val)
return msg
},
},
{
desc: "opaque builder with ValueOrDefaultBytes",
input: func() *testhybridpb.TestAllTypes {
var val []byte
return testhybridpb.TestAllTypes_builder{
OneofBytes: proto.ValueOrDefaultBytes(val),
}.Build()
},
},
} {
t.Run(tt.desc, func(t *testing.T) {
msg := tt.input()
b, err := proto.Marshal(msg)
if err != nil {
t.Fatal(err)
}
want := []byte{146, 7, 0}
if !bytes.Equal(b, want) {
t.Fatalf("Marshal: got %x, want %x", b, want)
}
if !msg.HasOneofField() {
t.Fatalf("HasOneofField was false, want true")
}
if got, want := msg.WhichOneofField(), testhybridpb.TestAllTypes_OneofBytes_case; got != want {
t.Fatalf("WhichOneofField: got %v, want %v", got, want)
}
if !msg.HasOneofBytes() {
t.Fatalf("HasOneofBytes was false, want true")
}
if msg.HasOneofString() {
t.Fatalf("HasOneofString was true, want false")
}
})
}
}
|
