blob: 9f22521d714d86fec93cdcb3b261d270f5e24b6e [file] [log] [blame]
// Copyright 2018 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 tag_test
import (
"reflect"
"testing"
"google.golang.org/protobuf/internal/encoding/tag"
fdesc "google.golang.org/protobuf/internal/filedesc"
"google.golang.org/protobuf/proto"
pdesc "google.golang.org/protobuf/reflect/protodesc"
pref "google.golang.org/protobuf/reflect/protoreflect"
)
func Test(t *testing.T) {
fd := new(fdesc.Field)
fd.L0.ParentFile = fdesc.SurrogateProto3
fd.L0.FullName = "foo_field"
fd.L1.Number = 1337
fd.L1.Cardinality = pref.Repeated
fd.L1.Kind = pref.BytesKind
fd.L1.Default = fdesc.DefaultValue(pref.ValueOf([]byte("hello, \xde\xad\xbe\xef\n")), nil)
// Marshal test.
gotTag := tag.Marshal(fd, "")
wantTag := `bytes,1337,rep,name=foo_field,json=fooField,proto3,def=hello, \336\255\276\357\n`
if gotTag != wantTag {
t.Errorf("Marshal() = `%v`, want `%v`", gotTag, wantTag)
}
// Unmarshal test.
gotFD := tag.Unmarshal(wantTag, reflect.TypeOf([]byte{}), nil)
wantFD := fd
if !proto.Equal(pdesc.ToFieldDescriptorProto(gotFD), pdesc.ToFieldDescriptorProto(wantFD)) {
t.Errorf("Umarshal() mismatch:\ngot %v\nwant %v", gotFD, wantFD)
}
}