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// Copyright 2020 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 descriptor
import (
"testing"
"github.com/google/go-cmp/cmp"
"google.golang.org/protobuf/reflect/protoreflect"
descpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
)
func TestEnumDescriptor(t *testing.T) {
tests := []struct {
enum protoreflect.Enum
idxs []int
name string
}{{
enum: descpb.FieldDescriptorProto_Type(0),
idxs: []int{
new(descpb.FieldDescriptorProto).ProtoReflect().Descriptor().Index(),
new(descpb.FieldDescriptorProto_Type).Descriptor().Index(),
},
name: "Type",
}, {
enum: descpb.FieldOptions_CType(0),
idxs: []int{
new(descpb.FieldOptions).ProtoReflect().Descriptor().Index(),
new(descpb.FieldOptions_CType).Descriptor().Index(),
},
name: "CType",
}}
for _, tt := range tests {
e := struct{ protoreflect.Enum }{tt.enum} // v2-only enum
_, idxs := EnumRawDescriptor(e)
if diff := cmp.Diff(tt.idxs, idxs); diff != "" {
t.Errorf("path index mismatch (-want +got):\n%v", diff)
}
_, ed := EnumDescriptorProto(e)
if ed.GetName() != tt.name {
t.Errorf("mismatching enum name: got %v, want %v", ed.GetName(), tt.name)
}
}
}
func TestMessageDescriptor(t *testing.T) {
tests := []struct {
message protoreflect.ProtoMessage
idxs []int
name string
}{{
message: (*descpb.SourceCodeInfo_Location)(nil),
idxs: []int{
new(descpb.SourceCodeInfo).ProtoReflect().Descriptor().Index(),
new(descpb.SourceCodeInfo_Location).ProtoReflect().Descriptor().Index(),
},
name: "Location",
}, {
message: (*descpb.FileDescriptorProto)(nil),
idxs: []int{
new(descpb.FileDescriptorProto).ProtoReflect().Descriptor().Index(),
},
name: "FileDescriptorProto",
}}
for _, tt := range tests {
m := struct{ protoreflect.ProtoMessage }{tt.message} // v2-only message
_, idxs := MessageRawDescriptor(m)
if diff := cmp.Diff(tt.idxs, idxs); diff != "" {
t.Errorf("path index mismatch (-want +got):\n%v", diff)
}
_, md := MessageDescriptorProto(m)
if md.GetName() != tt.name {
t.Errorf("mismatching message name: got %v, want %v", md.GetName(), tt.name)
}
}
}
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