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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 (
"testing"
"google.golang.org/protobuf/internal/flags"
"google.golang.org/protobuf/internal/protobuild"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/testing/protopack"
testpb "google.golang.org/protobuf/internal/testprotos/test"
weakpb "google.golang.org/protobuf/internal/testprotos/test/weak1"
)
func init() {
if flags.ProtoLegacy {
testValidMessages = append(testValidMessages, testWeakValidMessages...)
testInvalidMessages = append(testInvalidMessages, testWeakInvalidMessages...)
testMerges = append(testMerges, testWeakMerges...)
}
}
var testWeakValidMessages = []testProto{
{
desc: "weak message",
decodeTo: []proto.Message{
func() proto.Message {
if !flags.ProtoLegacy {
return nil
}
m := &testpb.TestWeak{}
m.SetWeakMessage1(&weakpb.WeakImportMessage1{
A: proto.Int32(1000),
})
m.ProtoReflect().SetUnknown(protopack.Message{
protopack.Tag{2, protopack.BytesType}, protopack.LengthPrefix(protopack.Message{
protopack.Tag{1, protopack.VarintType}, protopack.Varint(2000),
}),
}.Marshal())
return m
}(),
},
wire: protopack.Message{
protopack.Tag{1, protopack.BytesType}, protopack.LengthPrefix(protopack.Message{
protopack.Tag{1, protopack.VarintType}, protopack.Varint(1000),
}),
protopack.Tag{2, protopack.BytesType}, protopack.LengthPrefix(protopack.Message{
protopack.Tag{1, protopack.VarintType}, protopack.Varint(2000),
}),
}.Marshal(),
},
}
var testWeakInvalidMessages = []testProto{
{
desc: "invalid field number 0 in weak message",
decodeTo: []proto.Message{(*testpb.TestWeak)(nil)},
wire: protopack.Message{
protopack.Tag{1, protopack.BytesType}, protopack.LengthPrefix(protopack.Message{
protopack.Tag{0, protopack.VarintType}, protopack.Varint(1000),
}),
}.Marshal(),
},
}
var testWeakMerges = []testMerge{
{
desc: "clone weak message",
src: protobuild.Message{
"weak_message1": protobuild.Message{
"a": 1,
},
},
types: []proto.Message{&testpb.TestWeak{}},
}, {
desc: "merge weak message",
dst: protobuild.Message{
"weak_message1": protobuild.Message{
"a": 1,
},
},
src: protobuild.Message{
"weak_message1": protobuild.Message{
"a": 2,
},
},
want: protobuild.Message{
"weak_message1": protobuild.Message{
"a": 2,
},
},
types: []proto.Message{&testpb.TestWeak{}},
},
}
func TestWeakNil(t *testing.T) {
if !flags.ProtoLegacy {
t.SkipNow()
}
m := new(testpb.TestWeak)
if v, ok := m.GetWeakMessage1().(*weakpb.WeakImportMessage1); !ok || v != nil {
t.Errorf("m.GetWeakMessage1() = type %[1]T(%[1]v), want (*weakpb.WeakImportMessage1)", v)
}
}
func TestWeakMarshalNil(t *testing.T) {
if !flags.ProtoLegacy {
t.SkipNow()
}
m := new(testpb.TestWeak)
m.SetWeakMessage1(nil)
if b, err := proto.Marshal(m); err != nil || len(b) != 0 {
t.Errorf("Marshal(weak field set to nil) = [%x], %v; want [], nil", b, err)
}
m.SetWeakMessage1((*weakpb.WeakImportMessage1)(nil))
if b, err := proto.Marshal(m); err != nil || len(b) != 0 {
t.Errorf("Marshal(weak field set to typed nil) = [%x], %v; want [], nil", b, err)
}
}